Richard Ratzan, M.D.
NPI 1134253016 · Emergency Medicine Physician · Hartford, CT
Richard Ratzan, M.D. is a Emergency Medicine Physician provider in Hartford, CT (NPI 1134253016).
Provider details
- NPI number
- 1134253016
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 019409 (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
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
- 2007-03-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Richard Ratzan's NPI number?
- Richard Ratzan's National Provider Identifier (NPI) is 1134253016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Ratzan's specialty?
- Richard Ratzan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Ratzan located?
- Richard Ratzan's practice location on file with NPPES is 80 Seymour St, Hartford, CT 06102-8000.
- What is Richard Ratzan's phone number?
- The practice phone number listed in the NPPES registry for Richard Ratzan is (860) 545-0001.
- Is Richard Ratzan's NPI active?
- Yes — Richard Ratzan's NPI (1134253016) 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.