Peter Chak, MD
NPI 1316928617 · Internal Medicine Physician · Freeport, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Chak, MD is a Internal Medicine Physician provider in Freeport, NY (NPI 1316928617).
Provider details
- NPI number
- 1316928617
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- NY136699 (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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-14
- Last updated
- 2008-05-16
Frequently asked questions
- What is Peter Chak's NPI number?
- Peter Chak's National Provider Identifier (NPI) is 1316928617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Chak's specialty?
- Peter Chak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Chak located?
- Peter Chak's practice location on file with NPPES is 33 North Ocean Ave, Freeport, NY 11520.
- What is Peter Chak's phone number?
- The practice phone number listed in the NPPES registry for Peter Chak is (516) 378-4949.
- Does Peter Chak accept Medicare?
- Peter Chak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Chak's NPI active?
- Yes — Peter Chak's NPI (1316928617) is active in the NPPES registry as of the last update on 2008-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.