NPPES file of Aug 9, 2026

Seth Allen Mathern, M.D.

Hospitalist Physician · Denver, CO

Seth Allen Mathern, M.D. is a hospitalist physician with a practice address in Denver, Colorado, and NPI 1972998110, issued on Apr 4, 2015. Check the license (Colorado DR.0060603, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972998110
Name
Seth Allen Mathern
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
DR.0060603 CO
Self-reported in NPPES; status is on the state search
Practice location
2525 S Downing St, Denver, CO 80210
Phone
(303) 673-7151
Enumerated
Apr 4, 2015
Record last updated
Sep 4, 2025
Medicare enrollment
Enrolled (PECOS I20180814001018); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2015
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 2525 S Downing St

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

  1. Benjamin Alderfer, M.D.Psychiatry Physician1174620025
  2. Gwen Allen, RNMedical-Surgical Registered Nurse1285412239
  3. Madison Bassett, AGACNP-BCNurse Practitioner1548830466
  4. Connie Bassham, RN, CNSPsychiatric/Mental Health Registered Nurse1811134430
  5. John Batiuchok, MDPsychiatry Physician1184637761
  6. Jessica Batten, PAPhysician Assistant1235620402

Verify Seth Allen Mathern in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0060603
    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 77.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.3
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%81.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Catholic Health Initiatives ColoradoWestminster, CO
  2. Portercare Adventist Health SystemDenver, CO

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

Seth Allen Mathern among 806 hospitalist physician records in Colorado

Seth Allen Mathern, M.D. is one of 806 hospitalist physician records with a practice address in Colorado. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 62% of them.

  • NPI issued2015 · 62% of these records are older, 33% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2015 · median 2012 among the 622 with a school on file
  • Record last updated2025 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Colorado

There are 806 hospitalist physician records in Colorado.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Brian Bost, MDDenver, CO 802101013125939
  2. Bret Clawson, MDDenver, CO 802101275093726
  3. Claudia Clopton, MDDenver, CO 802101992718571
  4. Cory Garten, DODenver, CO 802101568583086
  5. Payam Khalighi, DODenver, CO 802101043282304
  6. Carolyn Tank, MDDenver, CO 802101710990395
  7. Marisa Echaniz, M.D.Denver, CO 802061164539060
  8. Megan Sturdy, DODenver, CO 802061033590997

Common questions

What is Seth Allen Mathern, M.D.'s NPI number?

Seth Allen Mathern, M.D.'s National Provider Identifier (NPI) is 1972998110, issued on Apr 4, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Seth Allen Mathern, M.D. located?

The NPPES record lists a practice address at 2525 S Downing St, Denver, CO, 80210. Phone: (303) 673-7151. Providers update this record themselves, so call before visiting.

How can I verify Seth Allen Mathern, M.D.'s license?

NPPES lists Colorado license number DR.0060603, 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.

What is Seth Allen Mathern, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.