Doctor profile · Federal record

Dr. Michael Oh, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Orange, CA

  • NPI 1275508525
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S Bldg 30
Orange, CA 928683201
(714) 456-6966
fax (714) 456-8212
Mailing address
200 S Manchester Ave Ste 300
Orange, CA 928683219

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
March 21, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
California #C156484 · Pennsylvania #MD426457
Medicaid (3)
OH #2605774 · PA #101300739 · WV #3810003619

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275508525. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
400
Distinct HCPCS
10
Medicare allowed
$70,350
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 106 77 $70
22614 Fusion of additional segment of spine 62 15 $382
99214 Established patient office or other outpatient visit, 30-39 minutes 41 37 $105
99203 New patient office or other outpatient visit, 30-44 minutes 40 40 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 37 29 $80
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $137
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $86
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 20 11 $258
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $155
22842 Placement of stabilizing device to back, 3-6 spine bone segments 15 14 $754

In context: peer comparison

Among 10 peers in Orange Neurological Surgery Physician, average services per provider: 36. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,689
Transactions
23
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Gs Solutions, INC. 2 $2,825.03
Medtronic, INC. 3 $338.71
Augmedics INC. 2 $258.05
Globus Medical, INC. 6 $253.82
Integrity Implants INC. Dba Accelus 1 $238.82
Stryker Corporation 2 $209.69
Centinel Spine, LLC 2 $165.25
Biotronik Nro, INC. 1 $144.81
Neo Spine USA, INC. 1 $96.07
Boston Scientific Corporation 1 $72.62
Orthofix Medical, INC. 1 $43.99
Spineology INC. 1 $41.97

By nature of payment

Food and Beverage
$2,924
Travel and Lodging
$1,765

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Oh's medical specialty?
Dr. Michael Oh practices Neurological Surgery Physician in Orange, CA.
Where does Dr. Michael Oh practice?
Dr. Michael Oh practices at 101 the City Dr S Bldg 30, Orange, CA 928683201. Office phone: 7144566966.
What is Dr. Michael Oh's NPI?
Dr. Michael Oh's National Provider Identifier (NPI) is 1275508525, issued by NPPES.
Does Dr. Michael Oh accept Medicare assignment?
Yes. Dr. Michael Oh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Oh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Fusion of additional segment of spine (HCPCS 22614); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.