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Herschel Flax, M.D.
NPI 1295890986 · Surgery Physician · New York, NY
Herschel Flax, M.D. is a Surgery Physician provider in New York, NY (NPI 1295890986).
Provider details
- NPI number
- 1295890986
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 124389 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
9 E 63rd St
New York, NY 10021-7236
Phone: (212) 755-3833
Fax: (212) 832-9279
Street-level locationGet directions
Mailing address
28 Hickory Dr
Great Neck, NY 11021-1707
Registry dates
- Enumerated
- 2006-12-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Herschel Flax's NPI number?
- Herschel Flax's National Provider Identifier (NPI) is 1295890986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Herschel Flax's specialty?
- Herschel Flax is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Herschel Flax located?
- Herschel Flax's practice location on file with NPPES is 9 E 63rd St, New York, NY 10021-7236.
- What is Herschel Flax's phone number?
- The practice phone number listed in the NPPES registry for Herschel Flax is (212) 755-3833.
- Is Herschel Flax's NPI active?
- Yes — Herschel Flax's NPI (1295890986) 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.