Michael G. Ryan, MD
Neuromusculoskeletal Medicine & OMM Physician · San Diego, CA
Michael G. Ryan, MD is a neuromusculoskeletal medicine & omm physician with a practice address in San Diego, California, and NPI 1295883163, issued on Jan 8, 2007. Check the license (California A72821, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael G. Ryan
- Credential
- MD
- Primary taxonomy
- Neuromusculoskeletal Medicine & OMM Physician 204D00000X
- License number
- A72821 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4647 Zion Ave, San Diego, CA 92120
- Phone
- (619) 528-5000
- Enumerated
- Jan 8, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101209000071); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neuromusculoskeletal medicine & omm physician records → All 220 in California → Look up another NPI →
Also registered at 4647 Zion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samy Abdou, MDNeurological Surgery Physician1215085006
- Samvel Abelyan, PHARMDPharmacist1306629928
- Ali Aboutaleb, MDFamily Medicine Physician1821261405
- Patricia Achilly, CNMAdvanced Practice Midwife1932257847
- Linda Adams, PAPhysician Assistant1427174689
- Mette-Margrethe Adkisson, M.D.Emergency Medicine Physician1528288081
Verify Michael G. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A72821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% more Medicare Part D claims than the average neuromusculoskeletal medicine & omm physician in 2024
1,047 Medicare Part D claims for 203 beneficiaries, against an average of 604 among the 400 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 255 claims were for opioids.
Most prescribed
- Oxycodone Hcl235 claims
- Gabapentin205 claims
- Omeprazole204 claims
- Meloxicam195 claims
- Dexamethasone134 claims
- Amoxicillin18 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
- Southern California Permanente Medical GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael G. Ryan among 220 neuromusculoskeletal medicine & omm physician records in California
Michael G. Ryan, MD is one of 220 neuromusculoskeletal medicine & omm physician records with a practice address in California. 57% 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 46% of them.
- NPI issued2007 · 46% of these records are older, 22% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1994 · median 1997 among the 109 with a school on file
- Record last updated2021 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neuromusculoskeletal Medicine & OMM Physician providers in California
There are 220 neuromusculoskeletal medicine & omm physician records in California.
All 220 in California → Every provider in San Diego → Neuromusculoskeletal Medicine & OMM Physician nationwide →
The 8 neuromusculoskeletal medicine & omm physician records with the nearest ZIP codes
- Delois Bean, MDSan Diego, CA 921201477601292
- John Clifford, MDSan Diego, CA 921201952460586
- Chad Elsner, MDSan Diego, CA 921201922156744
- Donald Fithian, MDSan Diego, CA 921201225105125
- Robert Hempton, MDSan Diego, CA 921201902954852
- Brent Howard, MDSan Diego, CA 921201437218187
- James Lyons, MDSan Diego, CA 921201295883270
- William Pfeiffer, MDSan Diego, CA 921201518015577
Common questions
What is Michael G. Ryan, MD's NPI number?
Michael G. Ryan, MD's National Provider Identifier (NPI) is 1295883163, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael G. Ryan, MD located?
The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.
How can I verify Michael G. Ryan, MD's license?
NPPES lists California license number A72821, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michael G. Ryan, MD prescribe under Medicare Part D?
In 2024, Michael G. Ryan, MD had 1,047 Medicare Part D claims for 203 beneficiaries; the average among neuromusculoskeletal medicine & omm physician prescribers was 604. 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.