Stephen Geisler, MD
NPI 1891859914 · Psychiatry Physician · New York, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Geisler, MD is a Psychiatry Physician provider in New York, NY (NPI 1891859914).
Provider details
- NPI number
- 1891859914
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 156371 (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
3 documented practice locations
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Sertraline Hcl | 26 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 24 |
| Bupropion Hclbrand: Bupropion Xl | 24 |
| Alprazolam | 24 |
| Clonazepam | 22 |
| Trazodone Hcl | 20 |
| Mirtazapine | 17 |
| Oxcarbazepine | 15 |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (2)
- 7559 263rd StGlen Oaks, NY 11004-1150Phone: (718) 470-8011Fax: (718) 962-8537
- 1129 Northern Blvd Ste 404Manhasset, NY 11030-3022Phone: (929) 296-1624Fax: (844) 525-5188
Registry dates
- Enumerated
- 2006-12-21
- Last updated
- 2020-02-11
- Certified
- 2020-02-11
Frequently asked questions
- What is Stephen Geisler's NPI number?
- Stephen Geisler's National Provider Identifier (NPI) is 1891859914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Geisler's specialty?
- Stephen Geisler is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Geisler located?
- Stephen Geisler's practice location on file with NPPES is 10 W 37th St Fl 5, New York, NY 10018-7396.
- What is Stephen Geisler's phone number?
- The practice phone number listed in the NPPES registry for Stephen Geisler is (929) 296-1624.
- Does Stephen Geisler accept Medicare?
- Stephen Geisler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Geisler's NPI active?
- Yes — Stephen Geisler's NPI (1891859914) is active in the NPPES registry as of the last update on 2020-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.