Marjorie Seidenfeld, M.D.
NPI 1326267485 · Pediatric Adolescent Medicine Physician · New York, NY
Marjorie Seidenfeld, M.D. is a Pediatric Adolescent Medicine Physician provider in New York, NY (NPI 1326267485).
Provider details
- NPI number
- 1326267485
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 181282 (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
- 2007-04-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marjorie Seidenfeld's NPI number?
- Marjorie Seidenfeld's National Provider Identifier (NPI) is 1326267485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Seidenfeld's specialty?
- Marjorie Seidenfeld is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marjorie Seidenfeld located?
- Marjorie Seidenfeld's practice location on file with NPPES is 3009 Broadway, New York, NY 10027-6905.
- What is Marjorie Seidenfeld's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Seidenfeld is (212) 854-2091.
- Is Marjorie Seidenfeld's NPI active?
- Yes — Marjorie Seidenfeld's NPI (1326267485) 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.