Marissa Sue Buendia, DO
Obstetrics & Gynecology Physician · Modesto, CA
Marissa Sue Buendia, DO is an obstetrics & gynecology physician with a practice address in Modesto, California, and NPI 1982226791, issued on May 14, 2020. Check the license (California 20A22810, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marissa Sue Buendia
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 20A22810 CA
5315218200 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1401 Spanos CT Ste 230, Modesto, CA 95355
- Phone
- (209) 550-4720
- Enumerated
- May 14, 2020
- Record last updated
- May 26, 2026
- Fax
- (209) 572-2923
- Medicare enrollment
- Enrolled (PECOS I20240910002759); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2020
- Entity
- Type 1 · individual
Also registered at 1401 Spanos CT Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rocio Acera Pozzi, MDObstetrics & Gynecology Physician1619310737
- Hillary Hendryk, M.D.Obstetrics & Gynecology Physician1528370616
- Olga Kovalenko, MDObstetrics & Gynecology Physician1710514674
- Joseph Mansour, MDObstetrics & Gynecology Physician1679668420
- Stephane ZamayoaSocial Worker1467975037
Verify Marissa Sue Buendia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A22810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
40 Medicare Part D claims for 25 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen12 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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
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 Marissa Sue Buendia, DO's NPI number?
Marissa Sue Buendia, DO's National Provider Identifier (NPI) is 1982226791, issued on May 14, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Sue Buendia, DO located?
The NPPES record lists a practice address at 1401 Spanos CT Ste 230, Modesto, CA, 95355. Phone: (209) 550-4720. Providers update this record themselves, so call before visiting.
How can I verify Marissa Sue Buendia, DO's license?
NPPES lists California license number 20A22810, 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 Marissa Sue Buendia, DO prescribe under Medicare Part D?
In 2024, Marissa Sue Buendia, DO had 40 Medicare Part D claims for 25 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.