John Szlyk, M.D.
NPI 1811058514 · Psychiatry Physician · Worcester, MA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Szlyk, M.D. is a Psychiatry Physician provider in Worcester, MA (NPI 1811058514).
Provider details
- NPI number
- 1811058514
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 36910 (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
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
- 2006-12-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Szlyk's NPI number?
- John Szlyk's National Provider Identifier (NPI) is 1811058514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Szlyk's specialty?
- John Szlyk is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Szlyk located?
- John Szlyk's practice location on file with NPPES is Umum Provident, Worcester, MA 01603.
- What is John Szlyk's phone number?
- The practice phone number listed in the NPPES registry for John Szlyk is (774) 437-7214.
- Does John Szlyk accept Medicare?
- John Szlyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Szlyk's NPI active?
- Yes — John Szlyk's NPI (1811058514) 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.