Doctor profile · Federal record

Dr. Nathan Putnam, MD

Anesthesiology Physician (CMS: Anesthesiology) · Casper, WY

  • NPI 1144455866
  • Accepts Medicare
  • MIPS 79.7 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1233 E 2Nd St, Anesthesiology
Casper, WY 826012926
(435) 720-2085
Mailing address
1905 Nw 177Th St
Edmond, OK 730126970

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
May 20, 2013
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Oklahoma #27026

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144455866. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
4
Medicare allowed
$8,296
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 25 24 $125
00811 Anesthesia for other procedure on large bowel using an endoscope 20 20 $116
00812 Anesthesia for exam of colon using an endoscope 12 12 $88
00813 Anesthesia for procedure on small and large bowel using an endoscope 12 12 $149

In context: peer comparison

Among 7 peers in this city , average services per provider: 17. This provider delivers 4.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Putnam's medical specialty?
Dr. Nathan Putnam practices Anesthesiology Physician in Casper, WY.
Where does Dr. Nathan Putnam practice?
Dr. Nathan Putnam practices at 1233 E 2Nd St, Casper, WY 826012926. Office phone: 4357202085.
What is Dr. Nathan Putnam's NPI?
Dr. Nathan Putnam's National Provider Identifier (NPI) is 1144455866, issued by NPPES.
Does Dr. Nathan Putnam accept Medicare assignment?
Yes. Dr. Nathan Putnam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Putnam commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.