Nathan T. Wilson, MD
Emergency Medicine Physician · Greenfield, MA
Nathan T. Wilson, MD is an emergency medicine physician with a practice address in Greenfield, Massachusetts, and NPI 1245529452, issued on Mar 29, 2011. Check the license (Massachusetts 274464, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nathan T. Wilson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 274464 MA
Self-reported in NPPES; status is on the state search - Practice location
- 164 High Street, Greenfield, MA 01301
- Phone
- (413) 773-2263
- Enumerated
- Mar 29, 2011
- Record last updated
- Nov 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180615001106); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2011
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 164 High Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathan T. Wilson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 274464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average emergency medicine physician in 2024
187 Medicare Part D claims for 133 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 25 claims were for opioids.
Most prescribed
- Cephalexin31 claims
- Oxycodone Hcl22 claims
- Prednisone21 claims
- Amoxicillin-Clavulanate Potass14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Nathan T. Wilson among 1,829 emergency medicine physician records in Massachusetts
Nathan T. Wilson, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2011 · median 2011 among the 1,200 with a school on file
- Record last updated2018 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 emergency medicine physician records list a practice address in Greenfield
They are 13 of the 1,251 NPPES records with a practice address in Greenfield, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Greenfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jill Bascomb, MDGreenfield, MA 013011720026685
- Kenneth Christian, MDGreenfield, MA 013011104142538
- Jeffrey Dan, M.D.Greenfield, MA 013011518935691
- Allison Demma, MD, MPHGreenfield, MA 013011790274025
- Jennifer DohrmannGreenfield, MA 013011033435516
- Michael Dunkerley, M.D.Greenfield, MA 013011164441531
- Sarah Emslie, MD/MPHGreenfield, MA 013011265137079
- Thomas Hagamen, MDGreenfield, MA 013011003985813
Common questions
What is Nathan T. Wilson, MD's NPI number?
Nathan T. Wilson, MD's National Provider Identifier (NPI) is 1245529452, issued on Mar 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nathan T. Wilson, MD located?
The NPPES record lists a practice address at 164 High Street, Greenfield, MA, 01301. Phone: (413) 773-2263. Providers update this record themselves, so call before visiting.
How can I verify Nathan T. Wilson, MD's license?
NPPES lists Massachusetts license number 274464, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan T. Wilson, MD prescribe under Medicare Part D?
In 2024, Nathan T. Wilson, MD had 187 Medicare Part D claims for 133 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.