Ann Mac Donald Imhof, MD
Family Medicine Physician · Thornton, CO
Ann Mac Donald Imhof, MD is a family medicine physician with a practice address in Thornton, Colorado, and NPI 1922054790, issued on May 25, 2006. Check the license (Colorado 40988, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ann Mac Donald Imhof
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 40988 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2200 East 104 Avenue, Thornton, CO 80233
- Phone
- (303) 452-2766
- Enumerated
- May 25, 2006
- Record last updated
- Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (303) 252-8694
- Medicaid ID
- 56121873 CO
- Medicare enrollment
- Enrolled (PECOS I20120918000110); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 2200 East 104 Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ann Mac Donald Imhof in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 40988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average family medicine physician in 2024
4,791 Medicare Part D claims for 537 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 127 claims were for opioids.
Most prescribed
- Atorvastatin Calcium310 claims
- Lisinopril188 claims
- Levothyroxine Sodium184 claims
- Metformin Hcl145 claims
- Pantoprazole Sodium122 claims
- Amlodipine Besylate115 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): 87.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,739.22
83 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Alpine Medical Group Colorado PLLCThornton, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann Mac Donald Imhof among 3,563 family medicine physician records in Colorado
Ann Mac Donald Imhof, MD 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
- Graduated2000 · median 2008 among the 2,077 with a school on file
- Record last updated2020 · 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).
47 family medicine physician records list a practice address in Thornton
They are 47 of the 2,234 NPPES records with a practice address in Thornton, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Thornton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eric Barnhart, MDThornton, CO 802331194779967
- Keith Cook, M. D.Thornton, CO 802331437225786
- William Cooper, MDThornton, CO 802331689611733
- John Gehred, M.D.Thornton, CO 802331548222763
- James Gregory, MDThornton, CO 802331437105210
- Kenneth Hahn, DOThornton, CO 802331922005818
- David Landy, M.D.Thornton, CO 802331013972827
- Suzanne Nash, MDThornton, CO 802331336146273
Common questions
What is Ann Mac Donald Imhof, MD's NPI number?
Ann Mac Donald Imhof, MD's National Provider Identifier (NPI) is 1922054790, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann Mac Donald Imhof, MD located?
The NPPES record lists a practice address at 2200 East 104 Avenue, Thornton, CO, 80233. Phone: (303) 452-2766. Providers update this record themselves, so call before visiting.
How can I verify Ann Mac Donald Imhof, MD's license?
NPPES lists Colorado license number 40988, 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 Ann Mac Donald Imhof, MD prescribe under Medicare Part D?
In 2024, Ann Mac Donald Imhof, MD had 4,791 Medicare Part D claims for 537 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ann Mac Donald Imhof, MD's MIPS final score?
The 2023 MIPS final score is 87.5 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.