Peter Y. Chang,m.d.,f.a.c.g.,llc
NPI 1881787703 · Gastroenterology Physician · Nanuet, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Y. Chang,m.d.,f.a.c.g.,llc is a Gastroenterology Physician organization in Nanuet, NY (NPI 1881787703).
Provider details
- NPI number
- 1881787703
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Peter Chang, President(845) 623-8400
- License
- 171437 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2020-08-22
Frequently asked questions
- What is Peter Y. Chang,m.d.,f.a.c.g.,llc's NPI number?
- Peter Y. Chang,m.d.,f.a.c.g.,llc's National Provider Identifier (NPI) is 1881787703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peter Y. Chang,m.d.,f.a.c.g.,llc?
- Peter Y. Chang,m.d.,f.a.c.g.,llc is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Y. Chang,m.d.,f.a.c.g.,llc located?
- Peter Y. Chang,m.d.,f.a.c.g.,llc's practice location on file with NPPES is 55 Old Turnpike Road, Nanuet, NY 10954.
- What is Peter Y. Chang,m.d.,f.a.c.g.,llc's phone number?
- The practice phone number listed in the NPPES registry for Peter Y. Chang,m.d.,f.a.c.g.,llc is (845) 623-8400.
- Does Peter Y. Chang,m.d.,f.a.c.g.,llc accept Medicare?
- Peter Y. Chang,m.d.,f.a.c.g.,llc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Peter Y. Chang,m.d.,f.a.c.g.,llc?
- The authorized official listed on Peter Y. Chang,m.d.,f.a.c.g.,llc's NPPES record is Peter Chang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peter Y. Chang,m.d.,f.a.c.g.,llc's NPI active?
- Yes — Peter Y. Chang,m.d.,f.a.c.g.,llc's NPI (1881787703) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.