Grant Harold Hammons, M.D.
Obstetrics & Gynecology Physician · Terre Haute, IN
Grant Harold Hammons, M.D. is an obstetrics & gynecology physician with a practice address in Terre Haute, Indiana, and NPI 1053429738, issued on Aug 25, 2006. Check the license (Indiana 01054051A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Grant Harold Hammons
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 01054051A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1429 N 6TH St, Terre Haute, IN 47807
- Phone
- (812) 232-0564
- Enumerated
- Aug 25, 2006
- Record last updated
- Mar 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (812) 242-4518
- Medicaid IDs
- 200331350 IN
200331350X IN
200331350A IN - Medicare enrollment
- Enrolled (PECOS I20040406000067); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 1997
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 894 in Indiana → Look up another NPI →
Also registered at 1429 N 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juliana Abara, F.N.P.Family Nurse Practitioner1619134244
- Mary Abernathy, MDMaternal & Fetal Medicine Physician1073559027
- Marcy Aldrich, WHNP-BCWomen's Health Nurse Practitioner1346861788
- Maurice Barnes, MDGastroenterology Physician1730224320
- Agastya Belur, MDInterventional Cardiology Physician1154826600
- Sarah Combs, MDObstetrics & Gynecology Physician1639814395
Verify Grant Harold Hammons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01054051ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
235 Medicare Part D claims for 69 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Estradiol45 claims
- Raloxifene Hcl17 claims
- Estradiol (Once Weekly)13 claims
- Yuvafem13 claims
- Estradiol (Twice Weekly)12 claims
- Combipatch11 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.
Industry payments in 2024: $53.05
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Union Associated Physicians Clinic, LLCTerre Haute, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant Harold Hammons among 894 obstetrics & gynecology physician records in Indiana
Grant Harold Hammons, M.D. is one of 894 obstetrics & gynecology physician records with a practice address in Indiana. 76% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2004 among the 591 with a school on file
- Record last updated2013 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Indiana
There are 894 obstetrics & gynecology physician records in Indiana.
All 894 in Indiana → Every provider in Terre Haute → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Magdy Abdel Nour, M.D.Terre Haute, IN 478071457353781
- Sarah Combs, MDTerre Haute, IN 478071639814395
- Kathleen Coutinho, M.D.Terre Haute, IN 478071528174141
- Stanley Drake, MDTerre Haute, IN 478071992722490
- Robert Lalouche, M.D.Terre Haute, IN 478071205944238
- Rajalakshmi Shantharam, M.D.Terre Haute, IN 478071982786562
- Charles Sides, MDTerre Haute, IN 478071013262195
- Thomas Yeagley, M.D.Terre Haute, IN 478071558471896
Common questions
What is Grant Harold Hammons, M.D.'s NPI number?
Grant Harold Hammons, M.D.'s National Provider Identifier (NPI) is 1053429738, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grant Harold Hammons, M.D. located?
The NPPES record lists a practice address at 1429 N 6TH St, Terre Haute, IN, 47807. Phone: (812) 232-0564. Providers update this record themselves, so call before visiting.
How can I verify Grant Harold Hammons, M.D.'s license?
NPPES lists Indiana license number 01054051A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grant Harold Hammons, M.D. prescribe under Medicare Part D?
In 2024, Grant Harold Hammons, M.D. had 235 Medicare Part D claims for 69 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.