Ellen Hilsinger, M.D.
NPI 1548209638 · Psychiatry Physician · Lexington, MA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Hilsinger, M.D. is a Psychiatry Physician provider in Lexington, MA (NPI 1548209638).
Provider details
- NPI number
- 1548209638
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- 80201 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Escitalopram Oxalate | 85 | 19 |
| Bupropion Hclbrand: Bupropion Xl | 71 | 20 |
| Trazodone Hcl | 64 | 18 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 64 | 12 |
| Duloxetine Hcl | 51 | 13 |
| Lorazepam | 47 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ellen Hilsinger's NPI number?
- Ellen Hilsinger's National Provider Identifier (NPI) is 1548209638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Hilsinger's specialty?
- Ellen Hilsinger is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Hilsinger located?
- Ellen Hilsinger's practice location on file with NPPES is 35 Bedford St, Lexington, MA 02420-4320.
- What is Ellen Hilsinger's phone number?
- The practice phone number listed in the NPPES registry for Ellen Hilsinger is (781) 863-5225.
- Does Ellen Hilsinger accept Medicare?
- Ellen Hilsinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Hilsinger's NPI active?
- Yes — Ellen Hilsinger's NPI (1548209638) 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.