NPPES file of Aug 9, 2026

Kathryn A. Witzeman, MD

Obstetrics & Gynecology Physician · Denver, CO

Kathryn A. Witzeman, MD is an obstetrics & gynecology physician with a practice address in Denver, Colorado, and NPI 1720198526, issued on Aug 30, 2006. Check the license (Colorado 42339, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720198526
Name
Kathryn A. Witzeman
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
42339 CO
Self-reported in NPPES; status is on the state search
Practice location
777 Bannock St, Denver, CO 80204
Phone
(303) 436-6000
Enumerated
Aug 30, 2006
Record last updated
Mar 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
14656515 CO
Medicare enrollment
Enrolled (PECOS I20041111001132); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 2000
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 777 Bannock St

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

  1. Eric Aaltonen, M.D.Vascular & Interventional Radiology Physician1538340344
  2. Sarah Abbott, LCSWClinical Social Worker1326519042
  3. Ejaaz Abdulkabir, CNMAdvanced Practice Midwife1710551783
  4. Miren Aboitiz, NP-CWomen's Health Nurse Practitioner1568862282
  5. Edgar Acosta, MSWClinical Social Worker1467900381
  6. Shanie Adaime, RDHDental Hygienist1083318554

Verify Kathryn A. Witzeman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 42339
    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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19% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

133 Medicare Part D claims for 39 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Kathryn Witzeman133
  2. Specialty average165

Most prescribed

  1. Estradiol41 claims
  2. Clobetasol Propionate12 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.

The MIPS final score for 2023 (Medicare payment program): 88 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score72.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

One hospital affiliation

  1. Grand River Hospital DistrictRifle, CO · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Kathryn A. Witzeman among 906 obstetrics & gynecology physician records in Colorado

Kathryn A. Witzeman, MD is one of 906 obstetrics & gynecology physician records with a practice address in Colorado. 69% 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, 57% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2000 · median 2008 among the 504 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Colorado

There are 906 obstetrics & gynecology physician records in Colorado.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Meredith Alston, MDDenver, CO 802041790831469
  2. William Brown, MDDenver, CO 802041649283920
  3. John Carey, MDDenver, CO 802041972523165
  4. Christine Conageski, MDDenver, CO 802041033238100
  5. Kristine Eule, M.D.Denver, CO 802041366415069
  6. Stefka Fabbri, M.D.Denver, CO 802041821262510
  7. Jennifer Hyer, MDDenver, CO 802041255487880
  8. Mona Krull, MDDenver, CO 802041629003298

Common questions

What is Kathryn A. Witzeman, MD's NPI number?

Kathryn A. Witzeman, MD's National Provider Identifier (NPI) is 1720198526, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn A. Witzeman, MD located?

The NPPES record lists a practice address at 777 Bannock St, Denver, CO, 80204. Phone: (303) 436-6000. Providers update this record themselves, so call before visiting.

How can I verify Kathryn A. Witzeman, MD's license?

NPPES lists Colorado license number 42339, 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 Kathryn A. Witzeman, MD prescribe under Medicare Part D?

In 2024, Kathryn A. Witzeman, MD had 133 Medicare Part D claims for 39 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Kathryn A. Witzeman, MD's MIPS final score?

The 2023 MIPS final score is 88 of 100. 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.