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C.J. TSAMASFYROS, M.D. LLC
NPI 1427293471
Legal Medicine in Denver, CO

Active since December 04, 2008CLIA 06D0511939 · Waiver
4500 E 9TH AVE, SUITE 220, DENVER, CO 80220(303) 322-2005(303) 322-4408 Get Directions Write a Review

NPPES record last updated: April 27, 2017. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About C.j. Tsamasfyros, M.d. Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

C.J. TSAMASFYROS, M.D. LLC (NPI 1427293471), doing business as Colorado Family Medicine Pc, is a healthcare organization registered as a legal medicine in Denver, Colorado and active in the NPI registry since December 2008. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Constantine J Tsamasfyros, Manager, as its authorized official.

NPPES Registry Identity

NPI1427293471
Entity TypeOrganization
Primary Taxonomy173000000X
Legal Business NameC.J. TSAMASFYROS, M.D. LLC
Location Address4500 E 9TH AVE, SUITE 220Denver, CO 80220-3912
Mailing Address4500 E 9th Ave, Suite 220Denver, CO 80220-3912 · (303) 322-2005 · Fax (303) 322-4408
Phone(303) 322-2005
Fax(303) 322-4408
Organization SubpartNo
Authorized OfficialConstantine J TsamasfyrosManager · (303) 322-2005
Enumeration DateDecember 4, 2008
Last NPPES UpdateApril 27, 2017
✔ NPI 1427293471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyLegal MedicineOther Service Providers
Taxonomy Code173000000X
License✔ Licensed in CO · 17165
Definition

The specialty areas of medicine concerned with matters of, and relations with, substantive law and legal institutions; such as the conduct of medical examinations at crime scenes, performance of autopsies, giving of expert medical testimony in judicial proceedings, medical treatment of inmates of penal institutions, the practice of trauma medicine in law enforcement settings, and other clinical practice and medical science applications in the fields of law, law enforcement, and corrections.

Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X · License 17165 (CO)
4500 E 9TH AVE, Denver, CO 80220
Open in Google Maps ↗

Other Names 1

Former Legal Business NameColorado Family Medicine Pc

Other Identifiers 5

Other17165Co License
OtherD23206CO · Upin
Medicaid1171651CO
Medicare UPINCE5718
Medicare NSC6498090001CO

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 06D0511939

Cj Tsamasfyros, MD, LLC · Denver, CO
Active · expires Aug 31, 2026
CLIA Number06D0511939
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorDr. Constantine J. Tsamasfyros
Laboratory Phone(303) 322-2005
Laboratory LocationCj Tsamasfyros, MD, LLC4500 E 9th Ave, Ste 220, Denver, CO 80220
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MOLLY E GILPIN PA
Physician Assistant
4500 E 9TH AVE, SUITE 740
DENVER, CO 80220
Denver County (720) 941-1778
BRIDGET M WALSH MD
Obstetrics & Gynecology
4500 E 9TH AVE, SUITE 200
DENVER, CO 80220
Denver County (303) 399-0055
ERICA L LIESMAKI MD
Family Medicine
4500 E 9TH AVE, STE #320
DENVER, CO 80220
Denver County (303) 322-0212
DR. DONALD APTEKAR M.D.
Obstetrics & Gynecology
4500 E 9TH AVE, #700S
DENVER, CO 80220
Denver County (303) 399-3315
SARAH CARD HUMPHREYS M.D.
Pediatrics
4500 E 9TH AVE, STE 740
DENVER, CO 80220
Denver County (720) 941-1778
MRS. LAURA WOLFE M.D.
Internal Medicine (Gastroenterology)
4500 E 9TH AVE, SUITE 720S
DENVER, CO 80220
Denver County (303) 355-3525
MANDI PHILLIPS NP-C
Nurse Practitioner (Family)
4500 E 9TH AVE, #615
DENVER, CO 80220
Denver County (720) 475-8750
FRANCA SOFIA SAMOILOVICH MD
Internal Medicine
4500 E 9TH AVE
DENVER, CO 80220
Denver County (303) 394-9355

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is C.J. Tsamasfyros, M.D. LLC's NPI number?

The NPI number for C.J. Tsamasfyros, M.D. LLC is 1427293471. It was assigned to this organization in the NPPES registry on December 4, 2008. The provider was formerly known as Colorado Family Medicine PC.

Where is C.J. Tsamasfyros, M.D. LLC located?

C.J. Tsamasfyros, M.D. LLC is located at 4500 E 9th Ave Suite 220, Denver, CO 80220. The listed phone number is (303) 322-2005.

What is C.J. Tsamasfyros, M.D. LLC's specialty?

The primary specialty registered for this NPI is Legal Medicine with taxonomy code 173000000X.

Does C.J. Tsamasfyros, M.D. LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 06D0511939) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for C.J. Tsamasfyros, M.D. LLC was last updated on April 27, 2017. NPI Profile syncs with the weekly NPPES data releases published by CMS.