NPPES file of Aug 9, 2026

Michael D. Waltz, M D

Anesthesiology Physician · Wheat Ridge, CO

Michael D. Waltz, M D is an anesthesiology physician with a practice address in Wheat Ridge, Colorado, and NPI 1871579516, issued on Dec 15, 2005. Check the license (Colorado 41459, 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
1871579516
Name
Michael D. Waltz
Credential
M D
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
41459 CO
Self-reported in NPPES; status is on the state search
Practice location
12911 W 40TH Ave, Wheat Ridge, CO 80401
Phone
(303) 425-4500
Enumerated
Dec 15, 2005
Record last updated
Jun 5, 2025
Medicaid ID
63455064 CO
Medicare enrollment
Enrolled (PECOS I20100916001375); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 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 12911 W 40TH Ave

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

  1. Grace BauerCertified Registered Nurse Anesthetist1528574225
  2. Jessica Frazier, CRNACertified Registered Nurse Anesthetist1972885523
  3. Jennifer Mallek, M.D.Anesthesiology Physician1588950513
  4. Kristin Paulsen, CRNACertified Registered Nurse Anesthetist1235227802
  5. Sarah Stuart, CRNACertified Registered Nurse Anesthetist1427356831
  6. Bridget Wilson, NNPNeonatal Nurse Practitioner1629009584

Verify Michael D. Waltz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 41459
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 15 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 score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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 one group practice

  1. Physician Anesthesia Services PCWheat Ridge, CO

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

Michael D. Waltz among 1,202 anesthesiology physician records in Colorado

Michael D. Waltz, M D is one of 1,202 anesthesiology physician records with a practice address in Colorado. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1995 · median 2006 among the 824 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 anesthesiology physician records list a practice address in Wheat Ridge

They are 30 of the 2,472 NPPES records with a practice address in Wheat Ridge, and 1,202 anesthesiology physician records in Colorado.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Sanjay Arora, M DGolden, CO 804011700861614
  2. Daniel Bredar, M DGolden, CO 804011689659591
  3. Joseph Carpenter, MDLakewood, CO 804011164413621
  4. Louis Cutrell, M DGolden, CO 804011285619957
  5. Clifton Daniels, M DGolden, CO 804011790760460
  6. Kathleen Fedack, M.D.Golden, CO 804011154312692
  7. Stephan Fiedler, M DGolden, CO 804011417932195
  8. Martin Harrison, M DGolden, CO 804011114902897

Common questions

What is Michael D. Waltz, M D's NPI number?

Michael D. Waltz, M D's National Provider Identifier (NPI) is 1871579516, issued on Dec 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael D. Waltz, M D located?

The NPPES record lists a practice address at 12911 W 40TH Ave, Wheat Ridge, CO, 80401. Phone: (303) 425-4500. Providers update this record themselves, so call before visiting.

How can I verify Michael D. Waltz, M D's license?

NPPES lists Colorado license number 41459, 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 Michael D. Waltz, M D's MIPS final score?

The 2023 MIPS final score is 15 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.