Sam P. Chia, M.D.
Internal Medicine Physician · Arcadia, CA
Sam P. Chia, M.D. is an internal medicine physician with a practice address in Arcadia, California, and NPI 1346262631, issued on Jul 24, 2006. Check the license (California A55837, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sam P. Chia
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A55837 CA
Self-reported in NPPES; status is on the state search - Practice location
- 224 S Santa Anita Ave, Arcadia, CA 91006
- Phone
- (626) 447-5800
- Enumerated
- Jul 24, 2006
- Record last updated
- Dec 30, 2025
- Fax
- (626) 447-5886
- Medicaid ID
- 00A558370 CA
- Medicare enrollment
- Enrolled (PECOS I20100917000855); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 224 S Santa Anita Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Lin, M.D.Internal Medicine Physician1881789600
Verify Sam P. Chia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A55837Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average internal medicine physician in 2024
6,062 Medicare Part D claims for 355 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 92 claims were for opioids.
Most prescribed
- Amlodipine Besylate460 claims
- Atorvastatin Calcium425 claims
- Rosuvastatin Calcium322 claims
- Losartan Potassium201 claims
- Metoprolol Succinate142 claims
- Levothyroxine Sodium141 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: $2,026.85
79 payments; by number, the most common kind was 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.
Sam P. Chia among 17,696 internal medicine physician records in California
Sam P. Chia, 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 fileYes · 63% of these records are
- Graduated1990 · median 2004 among the 11,065 with a school on file
- 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).
74 internal medicine physician records list a practice address in Arcadia
They are 74 of the 2,033 NPPES records with a practice address in Arcadia, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Arcadia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yehuda Berenson, MDArcadia, CA 910061366402711
- Beverly Botnick, MDArcadia, CA 910061790754455
- Christine Castano, MDArcadia, CA 910061225076268
- Wen-Che Chung, MDArcadia, CA 910061891754149
- Zewdu Gebreyes, M.D.Arcadia, CA 910061366419541
- Renato Labog, M.DArcadia, CA 910061427011204
- Scott Liang, MDArcadia, CA 910061639124514
- Haig Manjikian, M.D.Arcadia, CA 910061093783813
Common questions
What is Sam P. Chia, M.D.'s NPI number?
Sam P. Chia, M.D.'s National Provider Identifier (NPI) is 1346262631, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sam P. Chia, M.D. located?
The NPPES record lists a practice address at 224 S Santa Anita Ave, Arcadia, CA, 91006. Phone: (626) 447-5800. Providers update this record themselves, so call before visiting.
How can I verify Sam P. Chia, M.D.'s license?
NPPES lists California license number A55837, 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 Sam P. Chia, M.D. prescribe under Medicare Part D?
In 2024, Sam P. Chia, M.D. had 6,062 Medicare Part D claims for 355 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.