Michael F. Dillingham, MD
Sports Medicine (Orthopaedic Surgery) Physician · Redwood City, CA
Michael F. Dillingham, MD is a sports medicine (orthopaedic surgery) physician with a practice address in Redwood City, California, and NPI 1609808765, issued on Jul 7, 2006. Check the license (California G23134, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael F. Dillingham
- Credential
- MD
- Primary taxonomy
- Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
- License number
- G23134 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Arguell St, Redwood City, CA 94063
- Phone
- (650) 851-4900
- Enumerated
- Jul 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 995-1202
- Medicare enrollment
- Enrolled (PECOS I20040228000551); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1971
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sports medicine (orthopaedic surgery) physician records → All 384 in California → Look up another NPI →
Verify Michael F. Dillingham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G23134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024
107 Medicare Part D claims for 33 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Meloxicam75 claims
- Hydroxychloroquine Sulfate11 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.
Michael F. Dillingham among 384 sports medicine (orthopaedic surgery) physician records in California
Michael F. Dillingham, MD is one of 384 sports medicine (orthopaedic surgery) physician records with a practice address in California. 88% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1971 · median 2003 among the 293 with a school on file
- Record last updated2007 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Orthopaedic Surgery) Physician providers in California
There are 384 sports medicine (orthopaedic surgery) physician records in California.
All 384 in California → Every provider in Redwood City → Sports Medicine (Orthopaedic Surgery) Physician nationwide →
The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes
- George Bugarinovic, MDRedwood City, CA 940631366062770
- Gannon Kennedy, M.D.Redwood City, CA 940631083933535
- Marissa MastrocolaRedwood City, CA 940631790245884
- Rui Soares, MDRedwood City, CA 940631538748025
- Jean-Olivier Tetreault Paquin, M.D.Redwood City, CA 940631861928814
- George Thabit, MDRedwood City, CA 940631346261682
- Michael Wall, MDRedwood City, CA 940631780616847
- Deryk Jones, MDSan Carlos, CA 940701356390611
Common questions
What is Michael F. Dillingham, MD's NPI number?
Michael F. Dillingham, MD's National Provider Identifier (NPI) is 1609808765, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael F. Dillingham, MD located?
The NPPES record lists a practice address at 500 Arguell St, Redwood City, CA, 94063. Phone: (650) 851-4900. Providers update this record themselves, so call before visiting.
How can I verify Michael F. Dillingham, MD's license?
NPPES lists California license number G23134, 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 Michael F. Dillingham, MD prescribe under Medicare Part D?
In 2024, Michael F. Dillingham, MD had 107 Medicare Part D claims for 33 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. 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.