Doctor profile · Federal record

Dr. Errol Ozdalga, M.D., M.S.

Internal Medicine Physician (CMS: Internal Medicine) · Stanford, CA

  • NPI 1982851499
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-3937
Additional location
1804 Embarcadero RD, Ste 100
Palo Alto, CA 943033341
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
April 22, 2024
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A108902

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982851499. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
625
Distinct HCPCS
4
Medicare allowed
$84,339
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 288 84 $137
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 150 42 $91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 94 91 $200
99239 Hospital discharge day management, more than 30 minutes 93 91 $134

In context: peer comparison

Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$8,579
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 14 0 $8,579

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Errol Ozdalga's medical specialty?
Dr. Errol Ozdalga practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Errol Ozdalga practice?
Dr. Errol Ozdalga practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507233937.
What is Dr. Errol Ozdalga's NPI?
Dr. Errol Ozdalga's National Provider Identifier (NPI) is 1982851499, issued by NPPES.
Does Dr. Errol Ozdalga accept Medicare assignment?
Yes. Dr. Errol Ozdalga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Errol Ozdalga commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.