Maria Granthom, MD
Obstetrics & Gynecology Physician · Freedom, CA
Maria Granthom, MD is an obstetrics & gynecology physician with a practice address in Freedom, California, and NPI 1679750327, issued on Jan 24, 2008. Check the license (California A33532, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maria Granthom
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A33532 CA
00A335320 CA
Self-reported in NPPES; status is on the state search - Practice location
- 208 Green Valley RD, Freedom, CA 95019
- Phone
- (831) 728-1489
- Enumerated
- Jan 24, 2008
- Entity
- Type 1 · individual
Also registered at 208 Green Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jasmin Parra, RDHDental Hygienist1174410161
- Alejandra Sanchez, RDHDental Hygienist1457230716
- Sarah Walker, DDSDentist1184033821
Verify Maria Granthom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A33532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
69% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
51 Medicare Part D claims for 24 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Clotrimazole-Betamethasone20 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: $22.32
2 payments, mostly food and beverage; the largest payer was Organon Llc. 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 2 group practices
- Obstetrix Medical Group OF California A Professional CorporationSalinas, CA
- Salud Para LA GenteWatsonville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 obstetrics & gynecology physician records list a practice address in Freedom
They are 2 of the 90 NPPES records with a practice address in Freedom, and 5,088 obstetrics & gynecology physician records in California.
All 2 in Freedom → All 5,088 in California → Every provider in Freedom →
Other obstetrics & gynecology physician records in California
- Ingrid Aalami, MDSan Jose, CA1952376550
- Avisa Abaian- Eagar, M.D.Orange, CA1316057755
- Derek Abbassi, MDWalnut Creek, CA1841364155
- Ahmed Abdelaziz, MDSanta Maria, CA1790039733
- Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
- Nicole Abell, DOVentura, CA1811243603
- Zachary AbelsonLos Angeles, CA1689237414
- Ray Abinader, M.D.Loma Linda, CA1770901548
- Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
- Nada Abou-HaibaLos Angeles, CA1134067549
Common questions
What is Maria Granthom, MD's NPI number?
Maria Granthom, MD's National Provider Identifier (NPI) is 1679750327, issued on Jan 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maria Granthom, MD located?
The NPPES record lists a practice address at 208 Green Valley RD, Freedom, CA, 95019. Phone: (831) 728-1489. Providers update this record themselves, so call before visiting.
How can I verify Maria Granthom, MD's license?
NPPES lists California license number A33532, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Granthom, MD prescribe under Medicare Part D?
In 2024, Maria Granthom, MD had 51 Medicare Part D claims for 24 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), loaded Aug 27, 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) 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 27, 2026.