Eileen A. Whalen, MD
Emergency Medicine Physician · Westfield, MA
Eileen A. Whalen, MD is an emergency medicine physician with a practice address in Westfield, Massachusetts, and NPI 1386685402, issued on Jun 9, 2006. Check the license (Massachusetts 156133, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Eileen A. Whalen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 156133 MA
Self-reported in NPPES; status is on the state search - Practice location
- 57 Union St, Westfield, MA 01085
- Phone
- (413) 642-7200
- Enumerated
- Jun 9, 2006
- Record last updated
- Nov 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (413) 562-1821
- Medicaid ID
- 3178340 MA
- Medicare enrollment
- Enrolled (PECOS I20100915000022); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 57 Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eileen A. Whalen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 156133Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average emergency medicine physician in 2024
70 Medicare Part D claims for 52 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 IncPalmer, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eileen A. Whalen among 1,829 emergency medicine physician records in Massachusetts
Eileen A. Whalen, 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 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
- Graduated1992 · median 2011 among the 1,200 with a school on file
- Record last updated2016 · 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).
16 emergency medicine physician records list a practice address in Westfield
They are 16 of the 910 NPPES records with a practice address in Westfield, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Westfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Danielle Aston, DOWestfield, MA 010851558983940
- John Fialkovich, MDWestfield, MA 010851982921466
- Matthew Gray, MDWestfield, MA 010851003346776
- Chelsea Green, DOWestfield, MA 010851194257006
- David Hansen, D.O.Westfield, MA 010851235578642
- Brendon Kinsley, MDWestfield, MA 010851154943553
- Sarah Kleinschmidt, MDWestfield, MA 010851144751280
- Nicolas Monte, M.D.West Springfield, MA 010851366806424
Common questions
What is Eileen A. Whalen, MD's NPI number?
Eileen A. Whalen, MD's National Provider Identifier (NPI) is 1386685402, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eileen A. Whalen, MD located?
The NPPES record lists a practice address at 57 Union St, Westfield, MA, 01085. Phone: (413) 642-7200. Providers update this record themselves, so call before visiting.
How can I verify Eileen A. Whalen, MD's license?
NPPES lists Massachusetts license number 156133, 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 Eileen A. Whalen, MD prescribe under Medicare Part D?
In 2024, Eileen A. Whalen, MD had 70 Medicare Part D claims for 52 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.