Gordon Zimmermann, MD
NPI 1558368662 · Orthopaedic Surgery Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gordon Zimmermann, MD is a Orthopaedic Surgery Physician provider in Hartford, CT (NPI 1558368662).
Provider details
- NPI number
- 1558368662
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21158 (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
- 2005-07-05
- Last updated
- 2021-06-28
- Certified
- 2021-06-28
Frequently asked questions
- What is Gordon Zimmermann's NPI number?
- Gordon Zimmermann's National Provider Identifier (NPI) is 1558368662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gordon Zimmermann's specialty?
- Gordon Zimmermann is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gordon Zimmermann located?
- Gordon Zimmermann's practice location on file with NPPES is 31 Seymour St Ste 100, Hartford, CT 06106-5521.
- What is Gordon Zimmermann's phone number?
- The practice phone number listed in the NPPES registry for Gordon Zimmermann is (860) 549-3210.
- Does Gordon Zimmermann accept Medicare?
- Gordon Zimmermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gordon Zimmermann's NPI active?
- Yes — Gordon Zimmermann's NPI (1558368662) is active in the NPPES registry as of the last update on 2021-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.