William Mark Grant, M.D.
Maternal & Fetal Medicine Physician · Columbia, MO
William Mark Grant, M.D. is a maternal & fetal medicine physician with a practice address in Columbia, Missouri, and NPI 1144299413, issued on Mar 17, 2006. Check the license (Missouri R2H91, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Mark Grant
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- R2H91 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1705 E Broadway, Columbia, MO 65201
- Phone
- (573) 817-0810
- Enumerated
- Mar 17, 2006
- Record last updated
- Jul 16, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (573) 817-1790
- Medicaid ID
- 206649113 MO
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 76 in Missouri → Look up another NPI →
Also registered at 1705 E Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lauren Breshears, N.P.Primary Care Nurse Practitioner1861887689
- James Brocksmith, D.O.Internal Medicine Physician1922061373
- Mark Bryer, MDRadiation Oncology Physician1144217324
- William Crowley, M.D.Neurology Physician1255603809
Verify William Mark Grant in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R2H91Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.2 times the Medicare Part D claims of the average maternal & fetal medicine physician in 2024
297 Medicare Part D claims for 57 beneficiaries, against an average of 41 among the 353 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone83 claims
- Spironolactone64 claims
- Anastrozole24 claims
- Finasteride19 claims
- Levothyroxine Sodium15 claims
- Estradiol11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
William Mark Grant among 76 maternal & fetal medicine physician records in Missouri
William Mark Grant, M.D. is one of 76 maternal & fetal medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 50% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2008 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Missouri
There are 76 maternal & fetal medicine physician records in Missouri.
All 76 in Missouri → Every provider in Columbia → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Michael Cardwell, M.D.Columbia, MO 652011063419638
- Robert Eden, MDColumbia, MO 652011558473298
- Debra Guinn, MDColumbia, MO 652011386627974
- Daniel Jackson, MDColumbia, MO 652011952561938
- Shawn Stallings, M.D.Columbia, MO 652011184616369
- Carey Winkler, M.D.Columbia, MO 652011669434395
- Karen Florio, DOColumbia, MO 652121932405776
- Jean Goodman, MDColumbia, MO 652121447228093
Common questions
What is William Mark Grant, M.D.'s NPI number?
William Mark Grant, M.D.'s National Provider Identifier (NPI) is 1144299413, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Mark Grant, M.D. located?
The NPPES record lists a practice address at 1705 E Broadway, Columbia, MO, 65201. Phone: (573) 817-0810. Providers update this record themselves, so call before visiting.
How can I verify William Mark Grant, M.D.'s license?
NPPES lists Missouri license number R2H91, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Mark Grant, M.D. prescribe under Medicare Part D?
In 2024, William Mark Grant, M.D. had 297 Medicare Part D claims for 57 beneficiaries; the average among maternal & fetal medicine physician prescribers was 41. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.