NPPES file of Aug 9, 2026

Kristin Jan Viren, M.D.

Family Medicine Physician · Denver, CO

Kristin Jan Viren, M.D. is a family medicine physician with a practice address in Denver, Colorado, and NPI 1376578153, issued on Jul 11, 2006. Check the license (Colorado DR.0059074, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376578153
Name
Kristin Jan Viren
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
DR.0059074 CO
39261 MN
MD229564 OR
MD.MD.70102879 WA
Self-reported in NPPES; status is on the state search
Practice location
10350 E Dakota Ave, Denver, CO 80247
Phone
(303) 338-4545
Enumerated
Jul 11, 2006
Record last updated
Aug 5, 2026
Medicaid IDs
9000156730 CO
340478100 MN
Medicare enrollment
Enrolled (PECOS I20180124002332); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10350 E Dakota Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Evelyn Abram, LCSWClinical Social Worker1730205345
  2. Kay Adams, LCSWClinical Social Worker1225353915
  3. Hufriya Aderianwalla, MDObstetrics & Gynecology Physician1669887261
  4. Marcy Albert, PA-CMedical Physician Assistant1497177794
  5. Lawrence Allen, M.D.Cardiovascular Disease Physician1538203146
  6. Jandel Allen-Davis, M.D.Obstetrics & Gynecology Physician1538296413

Verify Kristin Jan Viren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0059074
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average family medicine physician in 2024

351 Medicare Part D claims for 262 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Kristin Viren351
  2. Specialty average3,544

Most prescribed

  1. Doxycycline Hyclate33 claims
  2. Amoxicillin-Clavulanate Potass29 claims
  3. Cefuroxime20 claims
  4. Triamcinolone Acetonide17 claims
  5. Fluticasone Propionate15 claims
  6. Ondansetron Odt15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Colorado Permanente Medical Group PCDenver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kristin Jan Viren among 3,563 family medicine physician records in Colorado

Kristin Jan Viren, M.D. is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 56% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1995 · median 2008 among the 2,077 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

457 family medicine physician records list a practice address in Denver

They are 457 of the 25,068 NPPES records with a practice address in Denver, and 3,563 family medicine physician records in Colorado.

The 8 family medicine physician records with the nearest ZIP codes

  1. Cara Beatty, M.D.Denver, CO 802471164528840
  2. Lisa Dalton, MDDenver, CO 802471093799454
  3. Julie Dietrich, DODenver, CO 802471144227760
  4. Patricia Dietzgen, D.O.Denver, CO 802471467433177
  5. Lane Fairbairn, DODenver, CO 802471871649483
  6. Shannon Garton, M.D.Denver, CO 802471033213210
  7. Scott Goodall, M.D.Denver, CO 802471134126592
  8. Thomas Greene, DODenver, CO 802471437213626

Common questions

What is Kristin Jan Viren, M.D.'s NPI number?

Kristin Jan Viren, M.D.'s National Provider Identifier (NPI) is 1376578153, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kristin Jan Viren, M.D. located?

The NPPES record lists a practice address at 10350 E Dakota Ave, Denver, CO, 80247. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.

How can I verify Kristin Jan Viren, M.D.'s license?

NPPES lists Colorado license number DR.0059074, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kristin Jan Viren, M.D. prescribe under Medicare Part D?

In 2024, Kristin Jan Viren, M.D. had 351 Medicare Part D claims for 262 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.