Alberto Alonso, M.D.
Internal Medicine Physician · Huntington Park, CA
Alberto Alonso, M.D. is an internal medicine physician with a practice address in Huntington Park, California, and NPI 1669621058, issued on Sep 10, 2008. Check the license (California 102197, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alberto Alonso
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 102197 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6611 Seville Ave, Huntington Park, CA 90255
- Phone
- (562) 881-3043
- Enumerated
- Sep 10, 2008
- Record last updated
- Jul 1, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (323) 815-1827
- Medicare enrollment
- Enrolled (PECOS I20081203000585); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Alberto Alonso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 102197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.2 times the Medicare Part D claims of the average internal medicine physician in 2024
19,559 Medicare Part D claims for 561 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. 259 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,086 claims
- Gabapentin703 claims
- Metformin Hcl582 claims
- Levothyroxine Sodium486 claims
- Losartan Potassium420 claims
- Amlodipine Besylate384 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: $1,109.62
52 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.
Alberto Alonso among 17,696 internal medicine physician records in California
Alberto Alonso, 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2004 among the 11,065 with a school on file
- Record last updated2015 · 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).
14 internal medicine physician records list a practice address in Huntington Park
They are 14 of the 1,056 NPPES records with a practice address in Huntington Park, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Huntington Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Romeo Castillo, MDHuntington Park, CA 902551659345403
- Laura Castro Castrezana, MDHuntington Park, CA 902551134832108
- Robert Cons, MDHuntington Park, CA 902551346306958
- Daniela Drake, M.D.Huntington Park, CA 902551922134907
- Timoty Gonzalez, M.D.Huntington Park, CA 902551982647319
- Thi Htway, M.D.Huntington Park, CA 902551144595190
- Rebecca Kuhn, MDHuntington Park, CA 902551316965429
- Albert LeeHuntington Park, CA 902551639527161
Common questions
What is Alberto Alonso, M.D.'s NPI number?
Alberto Alonso, M.D.'s National Provider Identifier (NPI) is 1669621058, issued on Sep 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Alberto Alonso, M.D. located?
The NPPES record lists a practice address at 6611 Seville Ave, Huntington Park, CA, 90255. Phone: (562) 881-3043. Providers update this record themselves, so call before visiting.
How can I verify Alberto Alonso, M.D.'s license?
NPPES lists California license number 102197, 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 Alberto Alonso, M.D. prescribe under Medicare Part D?
In 2024, Alberto Alonso, M.D. had 19,559 Medicare Part D claims for 561 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.