Michael Y. Oh, MD
Neurological Surgery Physician · Orange, CA
Michael Y. Oh, MD is a neurological surgery physician with a practice address in Orange, California, and NPI 1275508525, issued on Feb 21, 2006. Check the license (California C156484, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Y. Oh
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- C156484 CA
MD426457 PA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S Bldg 30, Orange, CA 92868
- Phone
- (714) 456-6966
- Enumerated
- Feb 21, 2006
- Record last updated
- Mar 21, 2023
- Fax
- (714) 456-8212
- Medicaid IDs
- 2605774 OH
101300739 PA
3810003619 WV - Medicare enrollment
- Enrolled (PECOS I20190215000859); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 101 The City Dr S Bldg 30
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Y. Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C156484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average neurological surgery physician in 2024
19 Medicare Part D claims for 12 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $4,688.83
23 payments; by number, the most common kind was food and beverage; the largest payer was GS Solutions, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Y. Oh among 929 neurological surgery physician records in California
Michael Y. Oh, MD is one of 929 neurological surgery physician records with a practice address in California. 77% 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, 62% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1996 · median 2005 among the 612 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
All 929 in California → Every provider in Orange → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Lars Anker, MDOrange, CA 928681962548537
- Gilbert Cadena, MDOrange, CA 928681760649255
- Jefferson Chen, MD PHDOrange, CA 928681992789747
- Kiarash Golshani, M.D.Orange, CA 928681992913214
- Frank Hsu, M.D.Orange, CA 928681548298417
- John A Kusske, MDOrange, CA 928681275601593
- Mark Linskey, MDOrange, CA 928681316041908
- Michael Muhonen, MDOrange, CA 928681801804810
Common questions
What is Michael Y. Oh, MD's NPI number?
Michael Y. Oh, MD's National Provider Identifier (NPI) is 1275508525, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Y. Oh, MD located?
The NPPES record lists a practice address at 101 The City Dr S Bldg 30, Orange, CA, 92868. Phone: (714) 456-6966. Providers update this record themselves, so call before visiting.
How can I verify Michael Y. Oh, MD's license?
NPPES lists California license number C156484, 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 Y. Oh, MD prescribe under Medicare Part D?
In 2024, Michael Y. Oh, MD had 19 Medicare Part D claims for 12 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.