| State Board | USMLE Attempt Limit | Time Limit | US/Canadian Postgraduate Training Reqs | Foreign Postgraduate Training Reqs | SPEX exam required? |
| Alabama | No attempt limit on step I or II, Three (3) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; 10 years for MD/PhD | One Year | Three Years | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years |
| Alaska | Two (2) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | Two years, one year if completed before 01/01/95 | Three years | NO |
| Arizona | No attempt limit | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step, unless 1st licensed by a state that doesn’t have a 7 year limit | One year | Three years | NO |
| Arizona DO | N/A | No limits on NBOME | One year | N/A | YES; unless lifetime certified, board certified or re-certified by a specialty or sub-specialty in the last 7 years |
| Arkansas | Six (6) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | Three years, One year if enrolled at U of Arkansas | NO |
| Arkansas | Six (6) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | Three years, One year if enrolled at U of Arkansas | NO |
| California | No attempt limit on steps I and II, Four (4) attempts on step III | Must complete USMLE Steps I, II, and III within ten (10) years of passing the first step | One year, including 4 mos. General Med. | Two years, including 4 mos. General Med. | NO |
| California DO | N/A | No limits on NBOME | One year | N/A | NO |
| Colorado | No attempt limit | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) years if MD/PhD | One year | Three years | NO |
| Connecticut | No attempt limit | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | Two years | Two years | NO |
| Delaware | No attempt limit | No time limit | One year | Three years | NO |
| District of Columbia | No attempt limit per steps I and II. Additional year of PGT required if four (4)failed attempts on step III. | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | Three years | NO |
| Florida | No attempt limit | No time limit | One year | Two years | NO |
| Florida DO | N/A | No limits on NBOME | One year | N/A | NO |
| Georgia | No attempt limit on steps I and II, Three (3) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Nine (9) if MD/PhD | One year | One year if graduated before July 1985, Three years if after | NO |
| Hawaii | No attempt limit | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) if MD/PhD | One year | Two years | NO |
| Hawaii DO | N/A | No limits on NBOME | One year | N/A | NO |
| Idaho | Two (2) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) years if MD/PhD | One year | Three years | NO |
| Illinois | No more than five (5) failed attempts | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | Two years, One year if completed before 1988 | Two years, One year if completed before 1988 | NO |
| Indiana | Three (3) attempts per step | Must complete USMLE Steps I, II, and III within seven (10) years of passing the first step | One year | Two years | NO |
| Iowa | Six (6) attempts per steps I and II. Three (3) attempts on step III. | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; 10 years for MD/PhD | One year | Two years | NO |
| Kansas | No attempt limit on steps I and II, Three (3) attempts on step III | Must complete USMLE Steps 1, 2, and 3 within ten (10) years of passing the first step | One year | Two years | NO |
| Kentucky | Four (4) attempts per step | No time limit | Two years | Two years | NO |
| Louisiana | No attempt limit on step I. Four (4) attempts per steps II and III. | Must complete USMLE Steps 1, 2, and 3 within ten (10) years of passing the first step | One year | Three years | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years |
| Maine | No attempt limit per steps I and II. Three (3) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | Two years; Three years if graduated after 7/2004 | Three years | NO |
| Maine DO | N/A | No limits on NBOME | One year | N/A | NO |
| Maryland | Three (3) attempts per step. | Must complete USMLE Steps 1, 2, and 3 within ten (10) years of passing the first step | One year; Two if any USMLE step failed 3 times | Two years | YES; unless lifetime certified, board certified, or re-certified by a specialty or sub-specialty in the last 10 years, or passed a licensing exam in the last 15 years |
| Massachusetts | No attempt limit per steps I and II. Six (6) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | Two years | NO |
| Michigan | No attempt limit | No time limit per steps I and II; Must complete step III within five (5) years of first attempt on step III | Two years | Two years, three if completed before 1984 | NO |
| Minnesota | Three (3) attempts per step; four (4) attempts step III if Board Certified | No time limit per steps I and II; Must complete step III within five (5) years of passing step II | One year | Two years | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years |
| Mississippi | No attempt limit per steps I and II. Three (3) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | Three years; One year if Board Certified | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years |
| Missouri | Three (3) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | Three years | NO |
| Montana | No attempt limit per steps I and II. Three (3) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | Two years | Three years | NO |
| Nebraska | Four (4) attempts per step | Must complete USMLE Steps I, II, and III within ten (10) years of passing the first step | One year | Three years | NO |
| Nevada | No attempt limit per steps I and II. Three (3) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) years if MD/PhD | Three years | Three years | YES; unless lifetime certified, board certified, or re-certified by a specialty or sub-specialty in the last 10 years |
| Nevada DO | N/A | No limit on NBOME | Three years, one year graduated before 01/01/95 | N/A | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years |
| New Hampshire | Three (3) attempts per step | No time limit | Two years | Two years | NO |
| New Jersey | No attempt limit per steps I and II. Five (5) attempts on step III. | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step (Waiver can be requested) | Three years, one if graduated before 07/01/03 | Three years, one year if graduated before 07/01/85 | NO |
| New Mexico | Six (6) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) years if MD/PhD | Two years | Two years | NO |
| New Mexico DO | N/A | No limits on NBOME | Two years | N/A | NO |
| New York | No attempt limit | No time Limit | One year | Three years | Yes, if State Board Exam was taken before 1968 |
| North Carolina | Sic (6) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) years if MD/PhD | One year | Three years | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years, PR award accepted |
| North Dakota | Three (3) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | Three years | NO |
| Ohio | Four (4) attempts per step | Must complete USMLE Steps I, II, and III within ten (10) years of passing the first step | One year | Two years | NO |
| Oklahoma | Three (3) attempts per step | Must complete USMLE Steps I, II, and III within ten (10) years of passing the first step | One year | Two years | NO |
| Oklahoma DO | N/A | No limits on NBOME | One year | N/A | NO |
| Oregon | No attempt limit per steps I and II. Four (4) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) years if MD/PhD | One year | One year, three years if med school is non-approved | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years, or if state board exam was taken before 1968 |
| Pennsylvania | No attempt limit | No Limit | Two years, One year if completed before 7/87 | Three years, One year if completed before 7/87 | NO |
| Pennsylvania DO | N/A | No limits on NBOME | One year | N/A | NO |
| Puerto Rico | No attempt limit | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | One year | NO |
| Rhode Island | Three (3) attempts per step | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | Two years | Three years | NO |
| South Carolina | Three (3) attempts per step | Must complete USMLE Steps I, II, and III within ten (10) years of passing the first step | One year | Three years | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years, will waive exam if 150 CME hours in last 3 years |
| South Dakota | Three (3) attempts per step. | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) years if MD/PhD | Completion of Residency Program | Completion of Residency Program, one year if done before 7/1987 | NO |
| Tennessee | No attempt limit | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step | One year | Three years | NO |
| Tennessee DO | N/A | No limits on NBOME | One year | N/A | NO |
| Texas | Three (3) attempts per step. | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; 10 years for MD/PhD | One year | Three years | YES; unless board certified or re-certified by a specialty or sub-specialty in the last 10 years |
| Utah | Three (3) attempts per step | Must complete USMLE Steps 1, 2, and 3 within seven (7) years of passing the first step; 10 years for MD/PhD | Two years | Two years | Only for DO’s unless board certified or re-certified by a specialty or sub-specialty in the last 10 years |
| Vermont | No attempt limit per steps I and II. Three (3) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; Ten (10) years if MD/PhD | One year | Three years | NO |
| Vermont DO | N/A | No limits on NBOME | One year | N/A | NO |
| Virginia | No attempt limit | Must complete USMLE Steps I, II, and III within ten (10) years of passing the first step (exception) | One year | Two years | NO |
| Virginia DO | N/A | No limits on NBOME | One year | N/A | NO |
| Washington | No attempt limit per steps I and II. Three (3) attempts on step III | Must complete USMLE Steps I, II, and III within seven (7) years of passing the first step; ten (10) years for MD/PhD | Two years, One if graduated before 07/28/85 | Two years, One if graduated before 07/28/85 | NO |
| Washington DO | N/A | No limits on NBOME | One year | N/A | NO |
| West Virginia | Three (3) attempts per step | Must complete USMLE Steps I, II, and III within ten (10) years of passing the first step | One year | Three years; one year if board certified | NO |
| West Virginia DO | N/A | No limits on NBOME | One year | N/A | NO |
| Wisconsin | Three (3) attempts per step | Must complete USMLE Steps I, II, and III within ten (10) years of passing the first step; twelve (12) years if MD/PhD | One year | One year | NO |
| Wyoming | No attempt limit | No Time Limit | One year | One year | NO |