NPPES file of Aug 9, 2026

Angela Lai Chan, MD

Internal Medicine Physician · Alameda, CA

Angela Lai Chan, MD is an internal medicine physician with a practice address in Alameda, California, and NPI 1205909512, issued on Nov 16, 2006. Check the license (California A63762, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205909512
Name
Angela Lai Chan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A63762 CA
Self-reported in NPPES; status is on the state search
Practice location
2417 Central Ave, Alameda, CA 94501
Phone
(510) 749-5731
Enumerated
Nov 16, 2006
Record last updated
Jan 10, 2022
Medicaid ID
00A637620 CA
Medicare enrollment
Enrolled (PECOS I20110502000408); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2417 Central Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Leo Cheng, MDPediatrics Physician1225117369
  2. Charlie Chu, MDInternal Medicine Physician1154409936
  3. Arlene Cosca, MDObstetrics & Gynecology Physician1437237229
  4. David Craney, MDInternal Medicine Physician1144308941
  5. Chuong Do, MDInternal Medicine Physician1164507836
  6. Joan Flores, NP-CWomen's Health Nurse Practitioner1891000188

Verify Angela Lai Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A63762
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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16% more Medicare Part D claims than the average internal medicine physician in 2024

3,683 Medicare Part D claims for 461 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 72 claims were for opioids.

  1. Angela Chan3,683
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium260 claims
  2. Amlodipine Besylate233 claims
  3. Atenolol189 claims
  4. Alendronate Sodium187 claims
  5. Losartan Potassium167 claims
  6. Hydrochlorothiazide166 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

  1. Permanente Medical Group IncOakland, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Angela Lai Chan among 17,696 internal medicine physician records in California

Angela Lai Chan, 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
  • Graduated1996 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 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).

31 internal medicine physician records list a practice address in Alameda

They are 31 of the 2,492 NPPES records with a practice address in Alameda, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ernest Bonner, MDAlameda, CA 945011992785703
  2. Lorraine Bonner, M.D.Alameda, CA 945011033188149
  3. Jenna Brimmer, M.D.Alameda, CA 945011295703775
  4. Joanne Dephillips, M.D.Alameda, CA 945011538137963
  5. Robbin Green-Yeh, DOAlameda, CA 945011740290329
  6. Jagmohan Khaira, M.D.Alameda, CA 945011801864988
  7. James Kong, M.D.Alameda, CA 945011366426470
  8. Elpidio Magalong, M.D.Alameda, CA 945011992773279

Common questions

What is Angela Lai Chan, MD's NPI number?

Angela Lai Chan, MD's National Provider Identifier (NPI) is 1205909512, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Angela Lai Chan, MD located?

The NPPES record lists a practice address at 2417 Central Ave, Alameda, CA, 94501. Phone: (510) 749-5731. Providers update this record themselves, so call before visiting.

How can I verify Angela Lai Chan, MD's license?

NPPES lists California license number A63762, 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 Angela Lai Chan, MD prescribe under Medicare Part D?

In 2024, Angela Lai Chan, MD had 3,683 Medicare Part D claims for 461 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.