OrganizationActive
John C. Flanagan,m.d.
NPI 1215196662 · Ophthalmology Physician · New York, NY
John C. Flanagan,m.d. is a Ophthalmology Physician organization in New York, NY (NPI 1215196662).
Provider details
- NPI number
- 1215196662
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Flanagan, M.D.(212) 535-8783
- License
- 138470 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
950 5th Ave
New York, NY 10075-1741
Phone: (212) 535-8783
Fax: (718) 442-3144
Street-level locationGet directions
Mailing address
950 5th Ave
New York, NY 10075-1741
Registry dates
- Enumerated
- 2008-06-02
- Last updated
- 2008-06-02
Frequently asked questions
- What is John C. Flanagan,m.d.'s NPI number?
- John C. Flanagan,m.d.'s National Provider Identifier (NPI) is 1215196662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John C. Flanagan,m.d.?
- John C. Flanagan,m.d. is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John C. Flanagan,m.d. located?
- John C. Flanagan,m.d.'s practice location on file with NPPES is 950 5th Ave, New York, NY 10075-1741.
- What is John C. Flanagan,m.d.'s phone number?
- The practice phone number listed in the NPPES registry for John C. Flanagan,m.d. is (212) 535-8783.
- Who is the authorized official for John C. Flanagan,m.d.?
- The authorized official listed on John C. Flanagan,m.d.'s NPPES record is John Flanagan, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John C. Flanagan,m.d.'s NPI active?
- Yes — John C. Flanagan,m.d.'s NPI (1215196662) is active in the NPPES registry as of the last update on 2008-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.