CAROLYN S TANK MD
NPI 1710990395
Hospitalist in Denver, CO

NPI Status: Active since August 14, 2006

Contact Information

2525 S DOWNING ST
UNIT 1-SOUTH PORTER ADVENTIST HOSPITAL
DENVER, CO
ZIP 80210
Phone: (303) 778-5811
Fax: (303) 765-3792

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  • Individual
  • Female
  • Hospitalist

About CAROLYN TANK

This page provides the complete NPI Profile along with additional information for Carolyn Tank, a provider established in Denver, Colorado with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1710990395 assigned on August 2006. The practitioner's primary taxonomy code is 208M00000X with license number 25708 (CO). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1710990395
Provider Name
CAROLYN S TANK MD
Gender
Female
Entity Type
Individual
Location Address
2525 S DOWNING ST UNIT 1-SOUTH PORTER ADVENTIST HOSPITAL DENVER, CO 80210
Location Phone
(303) 778-5811
Location Fax
(303) 765-3792
Mailing Address
2525 S DOWNING ST UNIT 1-SOUTH PORTER ADVENTIST HOSPITAL DENVER, CO 80210
Mailing Phone
(303) 778-5811
Mailing Fax
(303) 765-3792
Is Sole Proprietor?
No
Enumeration Date
08-14-2006
Last Update Date
09-11-2025
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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

Hospitalist

Taxonomy Code
208M00000X
Type
Allopathic & Osteopathic Physicians
License No.
25708
License State
CO
Taxonomy Description
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

25708 (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.

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
15839362MEDICAID (05)CO 

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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 1710990395, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
5
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 1 → 2 9 → 18 → 9 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 1 + 8 + 9 + 0 + 3 + 1 + 8 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1710990395.

Other Providers at the Same Location


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

Internal Medicine
2525 S DOWNING ST, PORTER PRE-SURGICAL EVALUATION
DENVER, CO 80210
Internal Medicine
2525 S DOWNING ST
DENVER, CO 80210
Emergency Medicine
2525 S DOWNING ST, PORTER ADVENTIST HOSPITAL
DENVER, CO 80210
Emergency Medicine
2525 S DOWNING ST, PORTER ADVENTIST HOSPITAL
DENVER, CO 80210
Internal Medicine
2525 S DOWNING ST
DENVER, CO 80210
Psychiatry & Neurology (Psychiatry)
2525 S DOWNING ST, UNIT 1 SOUTH PORTER ADVENTIST HOSPITAL
DENVER, CO 80210
Psychiatry & Neurology (Psychiatry)
2525 S DOWNING ST
DENVER, CO 80210
Internal Medicine
2525 S DOWNING ST, PORTER PRE-SURGICAL EVALUATION
DENVER, CO 80210
Nurse Practitioner
2525 S DOWNING ST
DENVER, CO 80210
Nurse Practitioner (Adult Health)
2525 S DOWNING ST
DENVER, CO 80210
Nurse Practitioner
2525 S DOWNING ST
DENVER, CO 80210
Registered Nurse (Psychiatric/Mental Health)
2525 S DOWNING ST
DENVER, CO 80210
Social Worker
2525 S DOWNING ST
DENVER, CO 80210
Internal Medicine (Hematology & Oncology)
2525 S DOWNING ST
DENVER, CO 80210
Emergency Medicine
2525 S DOWNING ST, PORTER ADVENTIST HOSPITAL, EMERGENCY DEPT.
DENVER, CO 80210
Counselor (Mental Health)
2525 S DOWNING ST
DENVER, CO 80210
General Acute Care Hospital
2525 S DOWNING ST
DENVER, CO 80210
Physical Medicine & Rehabilitation (Hospice and Palliative Medicine)
2525 S DOWNING ST
DENVER, CO 80210
2525 S DOWNING ST
DENVER, CO 80210
Physical Therapy Assistant
2525 S DOWNING ST, ST ANTHONY CENTRAL HOSPITAL
DENVER, CO 80210

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710990395, enumerated as an "individual" on August 14, 2006.

The provider is located at 2525 S DOWNING ST UNIT 1-SOUTH PORTER ADVENTIST HOSPITAL DENVER, CO 80210 and the phone number is (303) 778-5811.

Hospitalist with taxonomy code 208M00000X.

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