Harlan Kosson, M.D.
NPI 1144352949 · Psychiatry Physician · Lyons, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harlan Kosson, M.D. is a Psychiatry Physician provider in Lyons, NY (NPI 1144352949).
Provider details
- NPI number
- 1144352949
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 148286 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-09
- Last updated
- 2016-05-04
Frequently asked questions
- What is Harlan Kosson's NPI number?
- Harlan Kosson's National Provider Identifier (NPI) is 1144352949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harlan Kosson's specialty?
- Harlan Kosson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Harlan Kosson located?
- Harlan Kosson's practice location on file with NPPES is 1519 Nye Rd, Lyons, NY 14489-9133.
- What is Harlan Kosson's phone number?
- The practice phone number listed in the NPPES registry for Harlan Kosson is (845) 294-0568.
- Does Harlan Kosson accept Medicare?
- Harlan Kosson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harlan Kosson's NPI active?
- Yes — Harlan Kosson's NPI (1144352949) is active in the NPPES registry as of the last update on 2016-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.