NPPES file of Aug 9, 2026

Danny P. Chan, M.D.

Orthopaedic Surgery Physician · San Leandro, CA

Danny P. Chan, M.D. is an orthopaedic surgery physician with a practice address in San Leandro, California, and NPI 1295954782, issued on Apr 24, 2007. Check the license (California A85307, 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
1295954782
Name
Danny P. Chan
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
A85307 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 Merced St, San Leandro, CA 94577
Phone
(510) 454-1000
Enumerated
Apr 24, 2007
Record last updated
Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080303000528); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2002
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 2500 Merced St

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

  1. Rabiatu Abdullah, M.D.Emergency Medicine Physician1497833248
  2. Scott Abramson, M.D.Neurology Physician1891873667
  3. Jayaprada Achanta, M.D.Anesthesiology Physician1053463851
  4. Kristi Adachi, PHARMDPharmacist1396456737
  5. Mary Grace Aguayo, CRTCertified Respiratory Therapist1467923730
  6. Jatinder AhluwaliaPharmacist1508391483

Verify Danny P. 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 A85307
    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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1% more Medicare Part D claims than the average orthopaedic surgery physician in 2024

348 Medicare Part D claims for 106 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 184 claims were for opioids.

  1. Danny Chan348
  2. Specialty average346

Most prescribed

  1. Oxycodone Hcl144 claims
  2. Ondansetron Odt72 claims
  3. Celecoxib58 claims
  4. Gabapentin24 claims
  5. Hydrocodone-Acetaminophen18 claims
  6. Oxycodone-Acetaminophen13 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 IncSan Leandro, CA

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

Danny P. Chan among 2,276 orthopaedic surgery physician records in California

Danny P. Chan, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 35% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2002 · median 2003 among the 1,347 with a school on file
  • Record last updated2021 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Adrian Hinman, M.D.San Leandro, CA 945771609088640
  2. Bradford Kraetzer, M.D.San Leandro, CA 945771538247390
  3. Bruce Rodriguez, M.D.San Leandro, CA 945771356429104
  4. Jill Smith Forster, M.D.San Leandro, CA 945771205914066
  5. Dale Townsend, MDSan Leandro, CA 945771720166572
  6. Clarence Boyd, M.D.San Leandro, CA 945781326056557
  7. Orrin Franko, MDSan Leandro, CA 945781164650487
  8. Daniel Skeoch, M.D.Deer Park, CA 945761154397321

Common questions

What is Danny P. Chan, M.D.'s NPI number?

Danny P. Chan, M.D.'s National Provider Identifier (NPI) is 1295954782, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Danny P. Chan, M.D. located?

The NPPES record lists a practice address at 2500 Merced St, San Leandro, CA, 94577. Phone: (510) 454-1000. Providers update this record themselves, so call before visiting.

How can I verify Danny P. Chan, M.D.'s license?

NPPES lists California license number A85307, 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 Danny P. Chan, M.D. prescribe under Medicare Part D?

In 2024, Danny P. Chan, M.D. had 348 Medicare Part D claims for 106 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.