Maximilian Geffner, APP
NPI 1811834252 · Physician Assistant · New York, NY
Maximilian Geffner, APP is a Physician Assistant provider in New York, NY (NPI 1811834252).
Provider details
- NPI number
- 1811834252
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APP
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2026-05-04
- Last updated
- 2026-05-04
- Certified
- 2026-05-04
Frequently asked questions
- What is Maximilian Geffner's NPI number?
- Maximilian Geffner's National Provider Identifier (NPI) is 1811834252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maximilian Geffner's specialty?
- Maximilian Geffner is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maximilian Geffner located?
- Maximilian Geffner's practice location on file with NPPES is 72 Seaman Ave Apt 1c, New York, NY 10034-2823.
- What is Maximilian Geffner's phone number?
- The practice phone number listed in the NPPES registry for Maximilian Geffner is (561) 467-0724.
- Is Maximilian Geffner's NPI active?
- Yes — Maximilian Geffner's NPI (1811834252) is active in the NPPES registry as of the last update on 2026-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.