NPPES file of Aug 9, 2026

Ellen Martha Stein, M.D.

Emergency Medicine Physician · Keene, NH

Ellen Martha Stein, M.D. is an emergency medicine physician with a practice address in Keene, New Hampshire, and NPI 1457694218, issued on Mar 30, 2013. Check the license (New Hampshire 17659, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457694218
Name
Ellen Martha Stein
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
17659 NH
MD2019-0234 NM
Self-reported in NPPES; status is on the state search
Practice location
580 Court St, Keene, NH 03431
Phone
(603) 354-5454
Enumerated
Mar 30, 2013
Record last updated
Jun 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(603) 354-6535
Medicare enrollment
Enrolled (PECOS I20161230000797); accepts Medicare assignment
Medical or professional school
Geisel School Of Medicine At Dartmouth, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 580 Court St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kelli-Ann Abbott, DPTPhysical Therapist1699155754
  2. Kristina Abbott, FNP-CFamily Nurse Practitioner1578368916
  3. Millen Abselab, MDStudent in an Organized Health Care Education/Training Program1740128479
  4. Anardi Agosto, M.D.Internal Medicine Physician1487090700
  5. Yousef Amr, MB BCHStudent in an Organized Health Care Education/Training Program1598515652
  6. Amy Ansaldo, RD, LDRegistered Dietitian1215796131

Verify Ellen Martha Stein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 17659
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Hampshire license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

65% fewer Medicare Part D claims than the average emergency medicine physician in 2024

78 Medicare Part D claims for 68 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Ellen Stein78
  2. Specialty average226

Most prescribed

  1. Cephalexin12 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.

Bills Medicare through 2 group practices

  1. Bluewater Emergency Partners OF Brunswick, LLCBrattleboro, VT
  2. Central Vermont Medical Center IncBarre, VT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ellen Martha Stein among 351 emergency medicine physician records in New Hampshire

Ellen Martha Stein, M.D. is one of 351 emergency medicine physician records with a practice address in New Hampshire. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 28% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2013 · median 2011 among the 205 with a school on file
  • Record last updated2019 · 62% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 emergency medicine physician records list a practice address in Keene

They are 30 of the 1,482 NPPES records with a practice address in Keene, and 351 emergency medicine physician records in New Hampshire.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Jeremy Arnold, M.D.Keene, NH 034311174784557
  2. Jacques Blanchet, MDKeene, NH 034311619046489
  3. Steven Boutrus, M.D.Keene, NH 034311346568110
  4. Thomas Cochran, MDKeene, NH 034311093914715
  5. Alexis Cochran, M.D.Keene, NH 034311780883413
  6. John Curtis, MDKeene, NH 034311033151030
  7. Steven Friese, MDKeene, NH 034311447364567
  8. Thomas Hennigan, M.D.Keene, NH 034311144302118

Common questions

What is Ellen Martha Stein, M.D.'s NPI number?

Ellen Martha Stein, M.D.'s National Provider Identifier (NPI) is 1457694218, issued on Mar 30, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Martha Stein, M.D. located?

The NPPES record lists a practice address at 580 Court St, Keene, NH, 03431. Phone: (603) 354-5454. Providers update this record themselves, so call before visiting.

How can I verify Ellen Martha Stein, M.D.'s license?

NPPES lists New Hampshire license number 17659, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ellen Martha Stein, M.D. prescribe under Medicare Part D?

In 2024, Ellen Martha Stein, M.D. had 78 Medicare Part D claims for 68 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.