Dennis Allendorf, M.D.
NPI 1225058381 · Pediatric Adolescent Medicine Physician · New York, NY
Dennis Allendorf, M.D. is a Pediatric Adolescent Medicine Physician provider in New York, NY (NPI 1225058381).
Provider details
- NPI number
- 1225058381
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 111809 (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
- 2006-07-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dennis Allendorf's NPI number?
- Dennis Allendorf's National Provider Identifier (NPI) is 1225058381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Allendorf's specialty?
- Dennis Allendorf is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Allendorf located?
- Dennis Allendorf's practice location on file with NPPES is 401 W 118th St Apt 2, New York, NY 10027-7216.
- What is Dennis Allendorf's phone number?
- The practice phone number listed in the NPPES registry for Dennis Allendorf is (212) 666-4610.
- Is Dennis Allendorf's NPI active?
- Yes — Dennis Allendorf's NPI (1225058381) 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.