Alfonso Brigham, M.D.
Internal Medicine Physician · Hawthorne, CA
Alfonso Brigham, M.D. is an internal medicine physician with a practice address in Hawthorne, California, and NPI 1902858343, issued on May 16, 2006. Check the license (California G48631, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alfonso Brigham
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G48631 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11633 Hawthorne Blvd, Hawthorne, CA 90250
- Phone
- (310) 792-4450
- Enumerated
- May 16, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (310) 792-4455
- Medicaid ID
- 00G486310 CA
- Medicare enrollment
- Enrolled (PECOS I20060215000859); accepts Medicare assignment
- Medical or professional school
- Un Of California, Irvine, College Of Medicine, 1981
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 11633 Hawthorne Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alfonso Brigham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average internal medicine physician in 2024
5,280 Medicare Part D claims for 497 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium499 claims
- Amlodipine Besylate287 claims
- Losartan Potassium173 claims
- Metformin Hcl159 claims
- Lisinopril130 claims
- Tamsulosin Hcl118 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.
Bills Medicare through one group practice
- Providence Medical InstituteLaguna Niguel, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alfonso Brigham among 17,696 internal medicine physician records in California
Alfonso Brigham, 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
- Graduated1981 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 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).
18 internal medicine physician records list a practice address in Hawthorne
They are 18 of the 818 NPPES records with a practice address in Hawthorne, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Hawthorne → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer Chiu, M.D.Hawthorne, CA 902501962528430
- Malay Das, MDHawthorne, CA 902501164526224
- Mehmet Demirozu, M.D.Hawthorne, CA 902501295753234
- Valentin Hernandez, M.D.Hawthorne, CA 902501871520320
- Augustine Iluore, MDHawthorne, CA 902501336205442
- Raymond Jing, MDHawthorne, CA 902501518968536
- Mark Kim, M.D.Hawthorne, CA 902501073743621
- Kenneth Landis, M.D.Hawthorne, CA 902501861463077
Common questions
What is Alfonso Brigham, M.D.'s NPI number?
Alfonso Brigham, M.D.'s National Provider Identifier (NPI) is 1902858343, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alfonso Brigham, M.D. located?
The NPPES record lists a practice address at 11633 Hawthorne Blvd, Hawthorne, CA, 90250. Phone: (310) 792-4450. Providers update this record themselves, so call before visiting.
How can I verify Alfonso Brigham, M.D.'s license?
NPPES lists California license number G48631, 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 Alfonso Brigham, M.D. prescribe under Medicare Part D?
In 2024, Alfonso Brigham, M.D. had 5,280 Medicare Part D claims for 497 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.