Daniel Geisser, MD
NPI 1558346056 · Nephrology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Geisser, MD is a Nephrology Physician provider in New Haven, CT (NPI 1558346056).
Provider details
- NPI number
- 1558346056
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 025973 (CT)
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
20 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
- 2005-12-07
- Last updated
- 2010-12-14
Frequently asked questions
- What is Daniel Geisser's NPI number?
- Daniel Geisser's National Provider Identifier (NPI) is 1558346056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Geisser's specialty?
- Daniel Geisser is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Geisser located?
- Daniel Geisser's practice location on file with NPPES is 55 Lock St, New Haven, CT 06511-3603.
- What is Daniel Geisser's phone number?
- The practice phone number listed in the NPPES registry for Daniel Geisser is (203) 432-0076.
- Does Daniel Geisser accept Medicare?
- Daniel Geisser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Geisser's NPI active?
- Yes — Daniel Geisser's NPI (1558346056) is active in the NPPES registry as of the last update on 2010-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.