Nathan G. Putnam, MD
Anesthesiology Physician · Casper, WY
Nathan G. Putnam, MD is an anesthesiology physician with a practice address in Casper, Wyoming, and NPI 1144455866, issued on May 26, 2009. Check the license on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nathan G. Putnam
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 27026 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1233 E 2ND St, Casper, WY 82601
- Phone
- (435) 720-2085
- Enumerated
- May 26, 2009
- Record last updated
- May 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230810004152); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 83 in Wyoming → Look up another NPI →
Also registered at 1233 E 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Arross, R.PH.Pharmacist1588654420
- Rhonda Aune, RNFARegistered Nurse First Assistant1144318379
- Mark Babcock, D.O.Family Medicine Physician1912346321
- David Baxter, MDAnesthesiology Physician1861450801
- Brittany Bennett, RDRegistered Dietitian1508168667
- Ryan Benson, M.D.Emergency Medicine Physician1023308491
Verify Nathan G. Putnam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mountain West Anesthesia LLCOgden, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan G. Putnam among 83 anesthesiology physician records in Wyoming
Nathan G. Putnam, MD is one of 83 anesthesiology physician records with a practice address in Wyoming. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 71% of them.
- NPI issued2009 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2013 · median 2004 among the 51 with a school on file
- Record last updated2013 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 anesthesiology physician records list a practice address in Casper
They are 22 of the 1,924 NPPES records with a practice address in Casper, and 83 anesthesiology physician records in Wyoming.
All 83 in Wyoming → Every provider in Casper → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- David Barahal, M.D.Casper, WY 826011093803918
- David Baxter, MDCasper, WY 826011861450801
- John Billings, MDCasper, WY 826011508936360
- Luke Bracke, M.D.Casper, WY 826011386899680
- Ryan Burton, MDCasper, WY 826011275646093
- Jeffery Christensen, D.O.Casper, WY 826011376860916
- Jeffrey Fowler, MDCasper, WY 826011831241983
- Daphne KontosCasper, WY 826011437579240
Common questions
What is Nathan G. Putnam, MD's NPI number?
Nathan G. Putnam, MD's National Provider Identifier (NPI) is 1144455866, issued on May 26, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nathan G. Putnam, MD located?
The NPPES record lists a practice address at 1233 E 2ND St, Casper, WY, 82601. Phone: (435) 720-2085. Providers update this record themselves, so call before visiting.
How can I verify Nathan G. Putnam, MD's license?
Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Nathan G. Putnam, MD's MIPS final score?
The 2023 MIPS final score is 79.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.