Mary Hartshorn, M.D.
NPI 1972535789 · Psychiatry Physician · Cheektowaga, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Hartshorn, M.D. is a Psychiatry Physician provider in Cheektowaga, NY (NPI 1972535789).
Provider details
- NPI number
- 1972535789
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1544383 (NY)
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
19 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Benztropine Mesylate | 27 |
| Bupropion Hclbrand: Bupropion Xl | 26 |
| Trazodone Hcl | 22 |
| Hydroxyzine Hcl | 21 |
| Risperidone | 21 |
| Buspirone Hcl | 19 |
| Clozapine | 18 |
| Aripiprazole | 15 |
| Lamotrigine | 15 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2022-03-30
- Certified
- 2022-03-30
Frequently asked questions
- What is Mary Hartshorn's NPI number?
- Mary Hartshorn's National Provider Identifier (NPI) is 1972535789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hartshorn's specialty?
- Mary Hartshorn is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Hartshorn located?
- Mary Hartshorn's practice location on file with NPPES is 1526 Walden Avenue, Cheektowaga, NY 14225-4985.
- What is Mary Hartshorn's phone number?
- The practice phone number listed in the NPPES registry for Mary Hartshorn is (716) 895-6700.
- Does Mary Hartshorn accept Medicare?
- Mary Hartshorn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Hartshorn's NPI active?
- Yes — Mary Hartshorn's NPI (1972535789) is active in the NPPES registry as of the last update on 2022-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.