STEPHEN CRAIG ELLEN M.D.
NPI 1700825791
Psychiatry & Neurology - Psychiatry in Nashua, NH
About Stephen Craig Ellen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN CRAIG ELLEN M.D. (NPI 1700825791) is an individual psychiatry provider in Nashua, New Hampshire, licensed in Massachusetts (73606) and active in the NPI registry since June 2006. He has opted out of Medicare through February 9, 2027 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Stephen Craig Ellen M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 9, 2025 through February 9, 2027.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03064 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 Stephen Craig Ellen's NPI number?
The NPI number for Stephen Craig Ellen is 1700825791. It was assigned to this individual provider in the NPPES registry on June 5, 2006.
Where is Stephen Craig Ellen located?
Stephen Craig Ellen practices at 1 Main St, Nashua, NH 03064. The listed phone number is (603) 883-0005.
What is Stephen Craig Ellen's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Stephen Craig Ellen enrolled in Medicare?
No. Stephen Craig Ellen has opted out of Medicare through February 9, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
What insurance does Stephen Craig Ellen accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Stephen Craig Ellen 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 Stephen Craig Ellen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.
# Stephen Craig Ellen, M.D. · NPI 1700825791
Psychiatry physician in Nashua, New Hampshire. Individual provider, active in the CMS NPPES registry since June 5, 2006.
## Identity
- **NPI:** 1700825791 (Entity type: Individual)
- **Enumerated:** June 5, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 73606 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 MAIN ST, Nashua, NH 03064-2716
- **Phone:** (603) 883-0005
## Medicare
- **Medicare:** Opted out of Medicare (opt-out affidavit on file, in effect through February 9, 2027); services are provided under private contract
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1700825791) · Data from the CMS NPPES public registry.