Jeffrey Alexander Dan, M.D.
Emergency Medicine Physician · Greenfield, MA
Jeffrey Alexander Dan, M.D. is an emergency medicine physician with a practice address in Greenfield, Massachusetts, and NPI 1518935691, issued on Mar 14, 2006. Check the license (Massachusetts 228103, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Alexander Dan
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 228103 MA
Self-reported in NPPES; status is on the state search - Practice location
- 164 High St, Greenfield, MA 01301
- Phone
- (413) 773-2263
- Enumerated
- Mar 14, 2006
- Record last updated
- Sep 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (413) 773-2127
- Medicare enrollment
- Enrolled (PECOS I20060921000626); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 164 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fatima Adeyemi, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1629909460
- Robert Ajello, MDPulmonary Disease Physician1518930916
- James Arcoleo, DOCardiovascular Disease Physician1407885676
- Justyna Arcoleo, FNP/DNPFamily Nurse Practitioner1316215312
- Kathryn Aubry-McAvoy, NPFamily Nurse Practitioner1912130642
- Jill Bascomb, MDEmergency Medicine Physician1720026685
Verify Jeffrey Alexander Dan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 228103Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
43 Medicare Part D claims for 28 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Baystate Medical Practices IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Alexander Dan among 1,829 emergency medicine physician records in Massachusetts
Jeffrey Alexander Dan, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2003 · median 2011 among the 1,200 with a school on file
- Record last updated2015 · 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
- 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
- Cynthia Lodding, MDGreenfield, MA 013011346456688
Common questions
What is Jeffrey Alexander Dan, M.D.'s NPI number?
Jeffrey Alexander Dan, M.D.'s National Provider Identifier (NPI) is 1518935691, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Alexander Dan, M.D. located?
The NPPES record lists a practice address at 164 High St, Greenfield, MA, 01301. Phone: (413) 773-2263. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Alexander Dan, M.D.'s license?
NPPES lists Massachusetts license number 228103, 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 Jeffrey Alexander Dan, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Alexander Dan, M.D. had 43 Medicare Part D claims for 28 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.