Alan C. Schwartz, MD
Internal Medicine Physician · Santa Ana, CA
Alan C. Schwartz, MD is an internal medicine physician with a practice address in Santa Ana, California, and NPI 1023183480, issued on Nov 21, 2006. Check the license (California A42023, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alan C. Schwartz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A42023 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2621 S Bristol St, Santa Ana, CA 92704
- Phone
- (714) 918-3070
- Enumerated
- Nov 21, 2006
- Record last updated
- Oct 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00A420230 CA
- Medicare enrollment
- Enrolled (PECOS I20081104000809); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2621 S Bristol St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul Han, DPMFoot & Ankle Surgery Podiatrist1972506988
- Anil Shah, M.D.Specialist1619997368
- Stacey Shoop, M.D.Medical Physician Assistant1104222124
Verify Alan C. Schwartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,850 Medicare Part D claims for 136 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 28 claims were for opioids.
Most prescribed
- Metformin Hcl145 claims
- Atorvastatin Calcium128 claims
- Amlodipine Besylate118 claims
- Alprazolam100 claims
- Lisinopril91 claims
- Jardiance83 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: $347.38
3 payments; by number, the most common kind was travel and lodging; the largest payer was Novartis Pharmaceuticals Corporation. 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.
Alan C. Schwartz among 17,696 internal medicine physician records in California
Alan C. Schwartz, MD 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 fileYes · 63% of these records are
- Graduated1981 · median 2004 among the 11,065 with a school on file
- Record last updated2008 · 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).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Ana → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ronnie Alas, M.D.Santa Ana, CA 927041306267026
- Robert Castro, DOSanta Ana, CA 927041285777813
- Robin Hatam, D.O.Santa Ana, CA 927041194053785
- Iyad Houshan, M.D.Santa Ana, CA 927041497773287
- Wesam Houshan, MDSanta Ana, CA 927041356467112
- Ajay Meka, M.D.Santa Ana, CA 927041063527976
- Meena Meka, M.D.Santa Ana, CA 927041013338722
- Madhavi Mulye, M.D.Santa Ana, CA 927041205056470
Common questions
What is Alan C. Schwartz, MD's NPI number?
Alan C. Schwartz, MD's National Provider Identifier (NPI) is 1023183480, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan C. Schwartz, MD located?
The NPPES record lists a practice address at 2621 S Bristol St, Santa Ana, CA, 92704. Phone: (714) 918-3070. Providers update this record themselves, so call before visiting.
How can I verify Alan C. Schwartz, MD's license?
NPPES lists California license number A42023, 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 Alan C. Schwartz, MD prescribe under Medicare Part D?
In 2024, Alan C. Schwartz, MD had 2,850 Medicare Part D claims for 136 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.