Doctor profile · Federal record

Dr. Nathan Oh, D.O.

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

  • NPI 1992115778
  • Accepts Medicare
  • MIPS 82.2 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Hillmont Ave Ste 401
Ventura, CA 930031651
(805) 648-9830
fax (805) 648-9833
Mailing address
800 S Victoria Ave # L4640
Ventura, CA 930092804

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
July 17, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
California #20A14440

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992115778. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
236
Distinct HCPCS
6
Medicare allowed
$33,595
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 128 80 $139
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $180
99214 Established patient office or other outpatient visit, 30-39 minutes 28 23 $103
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 25 $182
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 12 11 $97
63048 Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 12 12 $139

In context: peer comparison

Among 3 peers in this city , average services per provider: 38. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$87
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Highridge Medical LLC 1 $64.58
Takeda Pharmaceuticals U.S.A., Inc. 1 $22.06

By nature of payment

Food and Beverage
$87

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Oh's medical specialty?
Dr. Nathan Oh practices Neurological Surgery Physician in Ventura, CA.
Where does Dr. Nathan Oh practice?
Dr. Nathan Oh practices at 300 Hillmont Ave Ste 401, Ventura, CA 930031651. Office phone: 8056489830.
What is Dr. Nathan Oh's NPI?
Dr. Nathan Oh's National Provider Identifier (NPI) is 1992115778, issued by NPPES.
Does Dr. Nathan Oh accept Medicare assignment?
Yes. Dr. Nathan Oh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Oh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.