Ann Russell Engel, M.D.
Family Medicine Physician · Castle Rock, CO
Ann Russell Engel, M.D. is a family medicine physician with a practice address in Castle Rock, Colorado, and NPI 1285743385, issued on Aug 30, 2006. Check the license (Colorado DR.0066144, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ann Russell Engel
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DR.0066144 CO
26455 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4344 Woodlands Blvd Ste 260, Castle Rock, CO 80104
- Phone
- (303) 649-3155
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (303) 649-3156
- Medicaid ID
- 427684 AZ
- Medicare enrollment
- Enrolled (PECOS I20210721001003); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 4344 Woodlands Blvd Ste 260
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Glerum, DOFamily Medicine Physician1053985523
- Christina Hughes, DOFamily Medicine Physician1528676152
- Michael Yuan, MDFamily Medicine Physician1043897036
Verify Ann Russell Engel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0066144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average family medicine physician in 2024
2,978 Medicare Part D claims for 308 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium313 claims
- Levothyroxine Sodium283 claims
- Losartan Potassium155 claims
- Rosuvastatin Calcium114 claims
- Metoprolol Succinate105 claims
- Amlodipine Besylate101 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): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Portercare Adventist Health SystemCastle Rock, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann Russell Engel among 3,563 family medicine physician records in Colorado
Ann Russell Engel, M.D. 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
- Graduated1994 · median 2008 among the 2,077 with a school on file
- Record last updated2021 · 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).
45 family medicine physician records list a practice address in Castle Rock
They are 45 of the 1,319 NPPES records with a practice address in Castle Rock, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Castle Rock → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Campbell, M.D.Castle Rock, CO 801041053373415
- Christopher Carpenter, M.D.Castle Rock, CO 801041508846023
- Jack England, D.O.Castle Rock, CO 801041609856749
- Deborah Fromm, MDCastle Rock, CO 801041467492090
- Belton Hallmark, M.D.Castle Rock, CO 801041225018633
- Louis Kasunic, D.O.Castle Rock, CO 801041912083296
- Doris Kleinert, M.D.Castle Rock, CO 801041861474751
- Preston Nein, M.D.Castle Rock, CO 801041194807404
Common questions
What is Ann Russell Engel, M.D.'s NPI number?
Ann Russell Engel, M.D.'s National Provider Identifier (NPI) is 1285743385, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann Russell Engel, M.D. located?
The NPPES record lists a practice address at 4344 Woodlands Blvd Ste 260, Castle Rock, CO, 80104. Phone: (303) 649-3155. Providers update this record themselves, so call before visiting.
How can I verify Ann Russell Engel, M.D.'s license?
NPPES lists Colorado license number DR.0066144, 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 Russell Engel, M.D. prescribe under Medicare Part D?
In 2024, Ann Russell Engel, M.D. had 2,978 Medicare Part D claims for 308 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ann Russell Engel, 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.