Nathan Klaes, PA-C
NPI 1174455778 · Physician Assistant · New Haven, CT
Nathan Klaes, PA-C is a Physician Assistant provider in New Haven, CT (NPI 1174455778).
Provider details
- NPI number
- 1174455778
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- 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
- 2026-05-30
- Last updated
- 2026-05-30
- Certified
- 2026-05-30
Frequently asked questions
- What is Nathan Klaes's NPI number?
- Nathan Klaes's National Provider Identifier (NPI) is 1174455778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Klaes's specialty?
- Nathan Klaes is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nathan Klaes located?
- Nathan Klaes's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Nathan Klaes's phone number?
- The practice phone number listed in the NPPES registry for Nathan Klaes is (203) 688-4242.
- Is Nathan Klaes's NPI active?
- Yes — Nathan Klaes's NPI (1174455778) is active in the NPPES registry as of the last update on 2026-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.