Donald Frei, M.D.
Diagnostic Radiology Physician · Englewood, CO
Donald Frei, M.D. is a diagnostic radiology physician with a practice address in Englewood, Colorado, and NPI 1619954450, issued on Dec 22, 2005. Check the license (Colorado 39394, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald Frei
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 39394 CO
Self-reported in NPPES; status is on the state search - Practice location
- 499 E Hampden Ave Ste 380, Englewood, CO 80113
- Phone
- (720) 493-3345
- Enumerated
- Dec 22, 2005
- Record last updated
- Dec 9, 2022
- Fax
- (720) 874-4437
- Medicaid IDs
- 104699363 MI
117404500 WY
200025510A OH
200259000A KS - Medicare enrollment
- Enrolled (PECOS I20050406000482); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 796 in Colorado → Look up another NPI →
Also registered at 499 E Hampden Ave Ste 380
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Eaton, PA-CPhysician Assistant1700229382
Verify Donald Frei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 39394Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average diagnostic radiology physician in 2024
81 Medicare Part D claims for 37 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel64 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 practice group's MIPS final score for 2023 (Medicare payment program): 38.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $191,042.64
183 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Medical Imaging OF Colorado Radiology Imaging Assc PC Etal PTEnglewood, CO
- Radiology Imaging Associates PCEnglewood, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Frei among 796 diagnostic radiology physician records in Colorado
Donald Frei, M.D. is one of 796 diagnostic radiology 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, 86% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1989 · median 2006 among the 562 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
120 diagnostic radiology physician records list a practice address in Englewood
They are 120 of the 2,840 NPPES records with a practice address in Englewood, and 796 diagnostic radiology physician records in Colorado.
All 796 in Colorado → Every provider in Englewood → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Richard Bellon, M.D.Englewood, CO 801131619953890
- Kenneth Bing, M.D.Englewood, CO 801131841276110
- Janice Brenneman, M.D.Englewood, CO 801131871579011
- Glen Burmeister, M.D.Englewood, CO 801131366428500
- Vernon Chapman, M.D.Englewood, CO 801131619953866
- Keith Dangleis, M.D.Englewood, CO 801131528044781
- James Dreisbach, M.D.Englewood, CO 801131235115254
- William Dunfee, M.D.Englewood, CO 801131033195052
Common questions
What is Donald Frei, M.D.'s NPI number?
Donald Frei, M.D.'s National Provider Identifier (NPI) is 1619954450, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Donald Frei, M.D. located?
The NPPES record lists a practice address at 499 E Hampden Ave Ste 380, Englewood, CO, 80113. Phone: (720) 493-3345. Providers update this record themselves, so call before visiting.
How can I verify Donald Frei, M.D.'s license?
NPPES lists Colorado license number 39394, 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 Donald Frei, M.D. prescribe under Medicare Part D?
In 2024, Donald Frei, M.D. had 81 Medicare Part D claims for 37 beneficiaries; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is Donald Frei, M.D.'s MIPS final score?
The 2023 MIPS final score is 38.3 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.