Doctor profile · Federal record

Dr. Ian Whitmarsh, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Tulsa, OK

  • NPI 1821277542
  • Accepts Medicare
  • MIPS 86.1 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1120 S Utica Ave
Tulsa, OK 741044012
(918) 579-5207
Mailing address
Po Box 7389, Attn: Rebecca Eason Cppa
Longview, TX 756077389

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
September 9, 2008
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Washington #AP30007888
Medicaid
WA #9655028

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821277542. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
322
Distinct HCPCS
4
Medicare allowed
$39,343
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 154 154 $119
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 64 64 $120
00813 Anesthesia for procedure on small and large bowel using an endoscope 56 56 $158
00812 Anesthesia for exam of colon using an endoscope 48 48 $92

In context: peer comparison

Among 88 peers in this city , average services per provider: 69. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$751
Transactions
28
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., Inc. 11 $311.97
ABBVIE INC. 5 $148.33
Regeneron Healthcare Solutions, Inc. 3 $92.67
Lilly USA, LLC 3 $62.74
Phathom Pharmaceuticals, Inc. 2 $47.01
Merck Sharp & Dohme LLC 1 $27.77
Celltrion USA Inc. 1 $23.04
Janssen Biotech, Inc. 1 $20.58
Braintree Laboratories, Inc. 1 $16.93

By nature of payment

Food and Beverage
$728
Education
$23

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ian Whitmarsh's medical specialty?
Dr. Ian Whitmarsh practices Certified Registered Nurse Anesthetist in Tulsa, OK.
Where does Dr. Ian Whitmarsh practice?
Dr. Ian Whitmarsh practices at 1120 S Utica Ave, Tulsa, OK 741044012. Office phone: 9185795207.
What is Dr. Ian Whitmarsh's NPI?
Dr. Ian Whitmarsh's National Provider Identifier (NPI) is 1821277542, issued by NPPES.
Does Dr. Ian Whitmarsh accept Medicare assignment?
Yes. Dr. Ian Whitmarsh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Whitmarsh commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.