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Ronald Tietjen, MD
NPI 1548285711 · Orthopaedic Surgery Physician · Danbury, CT
Ronald Tietjen, MD is a Orthopaedic Surgery Physician provider in Danbury, CT (NPI 1548285711).
Provider details
- NPI number
- 1548285711
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 018744 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
226 White St
Danbury, CT 06810-6814
Phone: (203) 797-1500
Fax: (203) 791-0495
Street-level locationGet directions
Mailing address
226 White St
Danbury, CT 06810-6814
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ronald Tietjen's NPI number?
- Ronald Tietjen's National Provider Identifier (NPI) is 1548285711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Tietjen's specialty?
- Ronald Tietjen is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Tietjen located?
- Ronald Tietjen's practice location on file with NPPES is 226 White St, Danbury, CT 06810-6814.
- What is Ronald Tietjen's phone number?
- The practice phone number listed in the NPPES registry for Ronald Tietjen is (203) 797-1500.
- Is Ronald Tietjen's NPI active?
- Yes — Ronald Tietjen's NPI (1548285711) 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.