Charles Friedlander, MD
NPI 1811911670 · Gastroenterology Physician · New York, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Friedlander, MD is a Gastroenterology Physician provider in New York, NY (NPI 1811911670).
Provider details
- NPI number
- 1811911670
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 104575 (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
- 2006-07-26
- Last updated
- 2008-05-20
Frequently asked questions
- What is Charles Friedlander's NPI number?
- Charles Friedlander's National Provider Identifier (NPI) is 1811911670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Friedlander's specialty?
- Charles Friedlander is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Friedlander located?
- Charles Friedlander's practice location on file with NPPES is 232 E 30th St, New York, NY 10016-8202.
- What is Charles Friedlander's phone number?
- The practice phone number listed in the NPPES registry for Charles Friedlander is (212) 889-5544.
- Does Charles Friedlander accept Medicare?
- Charles Friedlander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Friedlander's NPI active?
- Yes — Charles Friedlander's NPI (1811911670) is active in the NPPES registry as of the last update on 2008-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.