Michael Patrick Ryder, DO
Family Medicine Physician · Redwood City, CA
Michael Patrick Ryder, DO is a family medicine physician with a practice address in Redwood City, California, and NPI 1720439607, issued on Jun 22, 2016. Check the license (California 21881, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Patrick Ryder
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 21881 CA
2019-01955 NC
0116029717 VA
Self-reported in NPPES; status is on the state search - Practice location
- 275 Blomquist St, Redwood City, CA 94063
- Phone
- (209) 231-0808
- Enumerated
- Jun 22, 2016
- Record last updated
- Nov 19, 2024
- Fax
- (877) 883-6503
- Medicare enrollment
- Enrolled (PECOS I20231115002800); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2016
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 275 Blomquist St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laurence BoonePeer Specialist1649091000
- Angelica Duran MurilloCommunity Health Worker1679391882
- Rebecca HernandezCommunity Health Worker1437979028
- Timothy JonesCommunity Health Worker1700751781
- Pierson PhelanCommunity Health Worker1407670011
Verify Michael Patrick Ryder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 21881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
133 Medicare Part D claims for 31 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Gabapentin32 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
- Healthcare IN Action Medical GroupLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Patrick Ryder among 17,133 family medicine physician records in California
Michael Patrick Ryder, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.
- NPI issued2016 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2016 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Redwood City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Geny Augustine, MDRedwood City, CA 940631083108401
- Kelley Brinsky, DORedwood City, CA 940631578977336
- Amisha Chhipwadia, MDRedwood City, CA 940631114037264
- Alan Galitz, MDRedwood City, CA 940631699853259
- Lizzy Hsu, MDRedwood City, CA 940631376695171
- Andrew Hwang, MDRedwood City, CA 940631740505825
- Ahalya Joisha, M.DRedwood City, CA 940631760536577
- Sung Knueppel, MDRedwood City, CA 940631407967680
Common questions
What is Michael Patrick Ryder, DO's NPI number?
Michael Patrick Ryder, DO's National Provider Identifier (NPI) is 1720439607, issued on Jun 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Michael Patrick Ryder, DO located?
The NPPES record lists a practice address at 275 Blomquist St, Redwood City, CA, 94063. Phone: (209) 231-0808. Providers update this record themselves, so call before visiting.
How can I verify Michael Patrick Ryder, DO's license?
NPPES lists California license number 21881, 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 Patrick Ryder, DO prescribe under Medicare Part D?
In 2024, Michael Patrick Ryder, DO had 133 Medicare Part D claims for 31 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.