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

NPI Status: Active since December 04, 2008

Contact Information

4500 E 9TH AVE
SUITE 220
DENVER, CO
ZIP 80220
Phone: (303) 322-2005
Fax: (303) 322-4408

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  • Organization
  • Legal Medicine
  • CLIA Number: 06D0511939
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-31-2026

About C.J. TSAMASFYROS, M.D. LLC

This page provides the complete NPI Profile along with additional information for C.j. Tsamasfyros, M.d. Llc, a provider established in Denver, Colorado operating as a Legal Medicine. The healthcare provider is registered in the NPI registry with number 1427293471 assigned on December 2008. The practitioner's primary taxonomy code is 173000000X with license number 17165 (CO). The provider is registered as an organization and their NPI record was last updated 9 years ago. The provider's former legal business name is Colorado Family Medicine Pc. The authorized official of this NPI record is Constantine J Tsamasfyros Md (Manager)

NPI
1427293471
Provider Legal Name
C.J. TSAMASFYROS, M.D. LLC
Other Organization Name
COLORADO FAMILY MEDICINE PC
Other Name Type
Former Legal Business Name (4)
Entity Type
Organization
Location Address
4500 E 9TH AVE SUITE 220 DENVER, CO 80220
Location Phone
(303) 322-2005
Location Fax
(303) 322-4408
Mailing Address
4500 E 9TH AVE SUITE 220 DENVER, CO 80220
Mailing Phone
(303) 322-2005
Mailing Fax
(303) 322-4408
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-04-2008
Last Update Date
04-27-2017
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Legal Medicine

Taxonomy Code
173000000X
Type
Other Service Providers
License No.
17165
License State
CO
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1332B00000XSuppliers

Durable Medical Equipment & Medical Supplies

17165 (CO)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

CONSTANTINE J TSAMASFYROS MD

Authorized Official Title
MANAGER
Authorized Official Phone
(303) 322-2005

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
17165OTHER (01)CO LICENSE
D23206OTHER (01)COUPIN
1171651MEDICAID (05)CO 
CE5718MEDICARE UPIN (02) 
6498090001MEDICARE NSC (07)CO 

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
06D0511939
Facility Type
Physician Office
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
DR. CONSTANTINE J. TSAMASFYROS
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to C.j. Tsamasfyros, M.d. Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for C.J. TSAMASFYROS, M.D. LLC

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1427293471, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 2 → 4 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 4 + 7 + 4 + 9 + 6 + 4 + 1 + 4 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1427293471.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
4500 E 9TH AVE, STE 140
DENVER, CO 80220
Internal Medicine
4500 E 9TH AVE, STE 140
DENVER, CO 80220
Otolaryngology
4500 E 9TH AVE, SUITE 610
DENVER, CO 80220
Specialist
4500 E 9TH AVE, 710
DENVER, CO 80220
Obstetrics & Gynecology
4500 E 9TH AVE, # 300
DENVER, CO 80220
Internal Medicine (Rheumatology)
4500 E 9TH AVE, 500 S
DENVER, CO 80220
Specialist
4500 E 9TH AVE, 710
DENVER, CO 80220
Specialist
4500 E 9TH AVE, 710
DENVER, CO 80220
Internal Medicine (Rheumatology)
4500 E 9TH AVE, 500 S
DENVER, CO 80220
Specialist
4500 E 9TH AVE, #150
DENVER, CO 80220
Internal Medicine (Gastroenterology)
4500 E 9TH AVE, SUITE 720S
DENVER, CO 80220
Obstetrics & Gynecology (Gynecology)
4500 E 9TH AVE, #420
DENVER, CO 80220
Psychiatry & Neurology (Psychiatry)
4500 E 9TH AVE, SUITE 660-S
DENVER, CO 80220
Clinic/Center (Health Service)
4500 E 9TH AVE, SUITE 140
DENVER, CO 80220
Preventive Medicine (Public Health & General Preventive Medicine)
4500 E 9TH AVE, SUITE 740S
DENVER, CO 80220
Obstetrics & Gynecology
4500 E 9TH AVE, SUITE 200
DENVER, CO 80220
Podiatrist (Foot & Ankle Surgery)
4500 E 9TH AVE, SUITE 510
DENVER, CO 80220
Obstetrics & Gynecology
4500 E 9TH AVE, #700S
DENVER, CO 80220
Obstetrics & Gynecology
4500 E 9TH AVE, #700S
DENVER, CO 80220
Obstetrics & Gynecology
4500 E 9TH AVE
DENVER, CO 80220

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427293471, enumerated as an "organization" on December 04, 2008.

The provider is located at 4500 E 9TH AVE SUITE 220 DENVER, CO 80220 and the phone number is (303) 322-2005.

Legal Medicine with taxonomy code 173000000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.