Clark B. Zimmerman, MD
Family Medicine Physician · Elizabeth, CO
Clark B. Zimmerman, MD is a family medicine physician with a practice address in Elizabeth, Colorado, and NPI 1932107950, issued on Jul 13, 2005. Check the license (Colorado DR.0034444, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Clark B. Zimmerman
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DR.0034444 CO
Self-reported in NPPES; status is on the state search - Practice location
- 240 S Elizabeth St Ste B, Elizabeth, CO 80107
- Phone
- (303) 269-2551
- Enumerated
- Jul 13, 2005
- Record last updated
- Sep 29, 2025
- Fax
- (303) 269-2552
- Medicare enrollment
- Enrolled (PECOS I20100716000716); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Verify Clark B. Zimmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0034444Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average family medicine physician in 2024
794 Medicare Part D claims for 317 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Atorvastatin Calcium27 claims
- Losartan Potassium24 claims
- Gabapentin23 claims
- Lisinopril22 claims
- Prednisone22 claims
- Amoxicillin-Clavulanate Potass20 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): 97.6 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).
Bills Medicare through 2 group practices
- Portercare Adventist Health SystemDenver, CO
- Poudre Valley Medical Group LLCBroomfield, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clark B. Zimmerman among 3,563 family medicine physician records in Colorado
Clark B. Zimmerman, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2008 among the 2,077 with a school on file
- Record last updated2025 · 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).
3 family medicine physician records list a practice address in Elizabeth
They are 3 of the 115 NPPES records with a practice address in Elizabeth, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Elizabeth → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Amilda Heckman, DOElizabeth, CO 801071124124441
- Richard Leahy, DOElizabeth, CO 801071538265897
- Nathalie Abisror, MDCastle Pines, CO 801081336634922
- Chad Boekes, M.D.Castle Rock, CO 801081538245816
- Mark Christensen, MDCastle Pines, CO 801081588944516
- Jason Chu, M.D.Castle Pines, CO 801081649216136
- Olga Dobranowski, MDCastle Rock, CO 801081184943763
- Manoj Pawar, MDCastle Rock, CO 801081144277369
Common questions
What is Clark B. Zimmerman, MD's NPI number?
Clark B. Zimmerman, MD's National Provider Identifier (NPI) is 1932107950, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Clark B. Zimmerman, MD located?
The NPPES record lists a practice address at 240 S Elizabeth St Ste B, Elizabeth, CO, 80107. Phone: (303) 269-2551. Providers update this record themselves, so call before visiting.
How can I verify Clark B. Zimmerman, MD's license?
NPPES lists Colorado license number DR.0034444, 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 Clark B. Zimmerman, MD prescribe under Medicare Part D?
In 2024, Clark B. Zimmerman, MD had 794 Medicare Part D claims for 317 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Clark B. Zimmerman, MD's MIPS final score?
The 2023 MIPS final score is 97.6 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.