DR. ELLEN MARTHA STEIN M.D.
NPI 1457694218
Emergency Medicine in Keene, NH
About Dr. Ellen Martha Stein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELLEN MARTHA STEIN M.D. (NPI 1457694218) is an individual emergency medicine provider in Keene, New Hampshire, licensed in New Hampshire (17659) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Albuquerque.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ellen Martha Stein M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Ellen Stein reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Brattleboro, VT 05301
- Reassigned Medicare billing, Vermont enrollment
- 101 clinicians in this Medicare group
Randolph, VT 05060
- Reassigned Medicare billing, Vermont enrollment
- Also billed through NPI 1730199647 (Vermont)
- 167 clinicians in this Medicare group
Berlin, VT 05602
- Reassigned Medicare billing, Vermont enrollment
- Also billed through NPI 1831374362 (Vermont)
- 562 clinicians in this Medicare group
Burlington, VT 05401
- Reassigned Medicare billing, Vermont enrollment
- 1,643 clinicians in this Medicare group
Plattsburgh, NY 12901
- Reassigned Medicare billing, New York enrollment
- 675 clinicians in this Medicare group
Brunswick, ME 04011
- Reassigned Medicare billing, Vermont enrollment
- 57 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03431 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ellen Stein's NPI number?
The NPI number for Ellen Stein is 1457694218. It was assigned to this individual provider in the NPPES registry on March 30, 2013.
Where is Ellen Stein located?
Ellen Stein practices at 580 Court St, Keene, NH 03431. The listed phone number is (603) 354-5454.
What is Ellen Stein's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ellen Stein enrolled in Medicare?
Yes. Ellen Stein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ellen Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Stein reassigns Medicare benefits to 7 organizations: Dartmouth-Hitchcock Clinic (Keene, NH), Brattleboro Memorial Hospital (Brattleboro, VT), Gifford Medical Center Inc. (Randolph, VT), Central Vermont Medical Center Inc (Berlin, VT), University Of Vermont Medical Center Inc (Burlington, VT) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ellen Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellen Stein accept?
Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Ellen Stein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ellen Stein was last updated on June 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Ellen Martha Stein, M.D. · NPI 1457694218
Emergency Medicine physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since March 30, 2013.
## Identity
- **NPI:** 1457694218 (Entity type: Individual)
- **Enumerated:** March 30, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 17659 (New Hampshire)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 580 COURT ST, Keene, NH 03431-1718
- **Phone:** (603) 354-5454 · **Fax:** (603) 354-6535
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Brattleboro Memorial Hospital (NPI 1306849708, Brattleboro, VT); Gifford Medical Center Inc. (NPI 1942329446, Randolph, VT); Central Vermont Medical Center Inc (NPI 1023028784, Berlin, VT); University Of Vermont Medical Center Inc (NPI 1659309615, Burlington, VT); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 4, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1457694218) · Data from the CMS NPPES public registry.