Cesar M. Pena, M.D.
Internal Medicine Physician · Chula Vista, CA
Cesar M. Pena, M.D. is an internal medicine physician with a practice address in Chula Vista, California, and NPI 1295846723, issued on Aug 31, 2006. Check the license (California A49381, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cesar M. Pena
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A49381 CA
Self-reported in NPPES; status is on the state search - Practice location
- 227 Church Ave, Chula Vista, CA 91910
- Phone
- (619) 426-9610
- Enumerated
- Aug 31, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (619) 426-8737
- Medicaid ID
- 00A493810 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 227 Church Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andres BustamanteInternal Medicine Physician1720199227
- Sonia Ponce, MDCardiovascular Disease Physician1164659033
- Luis Sanchez, M.D.Pulmonary Disease Physician1841301330
- Daisy VenegasMedical Physician Assistant1740143981
Verify Cesar M. Pena in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,504 Medicare Part D claims for 239 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Amlodipine Besylate77 claims
- Atorvastatin Calcium70 claims
- Albuterol Sulfate Hfa63 claims
- Levothyroxine Sodium56 claims
- Pantoprazole Sodium46 claims
- Furosemide44 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: $19.70
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Cesar M. Pena among 17,696 internal medicine physician records in California
Cesar M. Pena, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
81 internal medicine physician records list a practice address in Chula Vista
They are 81 of the 5,329 NPPES records with a practice address in Chula Vista, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Chula Vista → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andres BustamanteChula Vista, CA 919101720199227
- Michael Chambers, M.D.Chula Vista, CA 919101740298843
- Rocio Flores, MDChula Vista, CA 919101881607067
- Hector Heredia-Martinez, M.D.Chula Vista, CA 919101699882365
- Alejandro Hinojosa-Valencia, MDChula Vista, CA 919101083701411
- Tom-Oliver Klein, MDChula Vista, CA 919101235161787
- Perry Montoya, M.DChula Vista, CA 919101003826256
- Taikeun Park, MDChula Vista, CA 919101831175918
Common questions
What is Cesar M. Pena, M.D.'s NPI number?
Cesar M. Pena, M.D.'s National Provider Identifier (NPI) is 1295846723, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cesar M. Pena, M.D. located?
The NPPES record lists a practice address at 227 Church Ave, Chula Vista, CA, 91910. Phone: (619) 426-9610. Providers update this record themselves, so call before visiting.
How can I verify Cesar M. Pena, M.D.'s license?
NPPES lists California license number A49381, 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 Cesar M. Pena, M.D. prescribe under Medicare Part D?
In 2024, Cesar M. Pena, M.D. had 1,504 Medicare Part D claims for 239 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.