Stephen Craig Ellen, M.D.
NPI 1700825791 · Psychiatry Physician · Nashua, NH
Stephen Craig Ellen, M.D. is a Psychiatry Physician provider in Nashua, NH (NPI 1700825791).
Provider details
- NPI number
- 1700825791
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 73606 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 136 | 18 |
| Bupropion Hclbrand: Bupropion Xl | 118 | 13 |
| Clonazepam | 91 | 14 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 36 | — |
| Mirtazapine | 32 | — |
| Aripiprazole | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$232,651 across 228 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Craig Ellen's NPI number?
- Stephen Craig Ellen's National Provider Identifier (NPI) is 1700825791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Craig Ellen's specialty?
- Stephen Craig Ellen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Craig Ellen located?
- Stephen Craig Ellen's practice location on file with NPPES is 1 Main St, Nashua, NH 03064-2716.
- What is Stephen Craig Ellen's phone number?
- The practice phone number listed in the NPPES registry for Stephen Craig Ellen is (603) 883-0005.
- Is Stephen Craig Ellen's NPI active?
- Yes — Stephen Craig Ellen's NPI (1700825791) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.