Isela Penunuri, MD
Family Medicine Physician · San Marcos, CA
Isela Penunuri, MD is a family medicine physician with a practice address in San Marcos, California, and NPI 1548295439, issued on Jul 11, 2006. Check the license (California A88564, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Isela Penunuri
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A88564 CA
Self-reported in NPPES; status is on the state search - Practice location
- 277 Rancheros Dr Ste 100, San Marcos, CA 92069
- Phone
- (760) 291-6700
- Enumerated
- Jul 11, 2006
- Record last updated
- Dec 30, 2024
- Fax
- (760) 471-0513
- Medicare enrollment
- Enrolled (PECOS I20041206000527); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 277 Rancheros Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oksana Hirniak, D.O.Family Medicine Physician1891750345
- Jennifer Montgomery, PA-CPhysician Assistant1568658698
Verify Isela Penunuri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average family medicine physician in 2024
5,346 Medicare Part D claims for 357 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 134 claims were for opioids.
Most prescribed
- Atorvastatin Calcium296 claims
- Levothyroxine Sodium273 claims
- Metformin Hcl199 claims
- Rosuvastatin Calcium193 claims
- Amlodipine Besylate178 claims
- Lisinopril176 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: $314.74
16 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Graybill Medical Group IncSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isela Penunuri among 17,133 family medicine physician records in California
Isela Penunuri, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 family medicine physician records list a practice address in San Marcos
They are 47 of the 1,985 NPPES records with a practice address in San Marcos, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Marcos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wais Alemi, MDSan Marcos, CA 920691427305242
- Oksana Hirniak, D.O.San Marcos, CA 920691891750345
- Cheng Lee, M.D.San Marcos, CA 920691598098345
- Julie Matias, D.O.San Marcos, CA 920691083094510
- Kathryn McHenry, D.O.San Marcos, CA 920691326458373
- Devarshi Nath, MDSan Marcos, CA 920691275630618
- Peter Novota, M.D.San Marcos, CA 920691124132394
- Claudia Rocha, MDSan Marcos, CA 920691134638729
Common questions
What is Isela Penunuri, MD's NPI number?
Isela Penunuri, MD's National Provider Identifier (NPI) is 1548295439, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isela Penunuri, MD located?
The NPPES record lists a practice address at 277 Rancheros Dr Ste 100, San Marcos, CA, 92069. Phone: (760) 291-6700. Providers update this record themselves, so call before visiting.
How can I verify Isela Penunuri, MD's license?
NPPES lists California license number A88564, 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 Isela Penunuri, MD prescribe under Medicare Part D?
In 2024, Isela Penunuri, MD had 5,346 Medicare Part D claims for 357 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.