C.j. Tsamasfyros, M.D. LLC
NPI 1427293471 · Legal Medicine · Denver, CO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
C.j. Tsamasfyros, M.D. LLC is a Legal Medicine organization in Denver, CO (NPI 1427293471).
Provider details
- NPI number
- 1427293471
- Entity type
- Organization
- Primary specialty
- Legal MedicineOther Service Providers
- Organization subpart
- No
- Authorized official
- Constantine Tsamasfyros, Manager(303) 322-2005
- License
- 17165 (CO)
Specialties & taxonomies
Other Service Providers
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Other names (DBA / former)
- Former legal business name
- Colorado Family Medicine PC
Registry dates
- Enumerated
- 2008-12-04
- Last updated
- 2017-04-27
Frequently asked questions
- What is C.j. Tsamasfyros, M.D. LLC's NPI number?
- C.j. Tsamasfyros, M.D. LLC's National Provider Identifier (NPI) is 1427293471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is C.j. Tsamasfyros, M.D. LLC?
- C.j. Tsamasfyros, M.D. LLC is classified in the NPPES registry as Legal Medicine (Other Service Providers).
- Where is C.j. Tsamasfyros, M.D. LLC located?
- C.j. Tsamasfyros, M.D. LLC's practice location on file with NPPES is 4500 E 9th Ave, Denver, CO 80220-3912.
- What is C.j. Tsamasfyros, M.D. LLC's phone number?
- The practice phone number listed in the NPPES registry for C.j. Tsamasfyros, M.D. LLC is (303) 322-2005.
- Does C.j. Tsamasfyros, M.D. LLC accept Medicare?
- C.j. Tsamasfyros, M.D. LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for C.j. Tsamasfyros, M.D. LLC?
- The authorized official listed on C.j. Tsamasfyros, M.D. LLC's NPPES record is Constantine Tsamasfyros, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is C.j. Tsamasfyros, M.D. LLC's NPI active?
- Yes — C.j. Tsamasfyros, M.D. LLC's NPI (1427293471) is active in the NPPES registry as of the last update on 2017-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.