Doctor profile · Federal record

Dr. John Turnbull, MD

Anesthesiology Physician (CMS: Anesthesiology) · Critical Care Medicine (Anesthesiology) Physician · San Francisco, CA

  • NPI 1154505774
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
521 Parnassus Ave, UCSF, Medical Science Building, Room S-436
San Francisco, CA 941432206
(415) 476-3235
Mailing address
533 Parnassus Ave, Box 0624
San Francisco, CA 941432208

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
October 8, 2013
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A107174

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154505774. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
1
Medicare allowed
$19,409
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 82 33 $237

In context: peer comparison

Among 74 peers in San Francisco Anesthesiology Physician, average services per provider: 24. This provider delivers 3.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Turnbull's medical specialty?
Dr. John Turnbull practices Anesthesiology Physician in San Francisco, CA.
Where does Dr. John Turnbull practice?
Dr. John Turnbull practices at 521 Parnassus Ave, San Francisco, CA 941432206. Office phone: 4154763235.
What is Dr. John Turnbull's NPI?
Dr. John Turnbull's National Provider Identifier (NPI) is 1154505774, issued by NPPES.
Does Dr. John Turnbull accept Medicare assignment?
Yes. Dr. John Turnbull accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Turnbull commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.