Brent D. Grauerholz, MD
Family Medicine Physician · Greeley, CO
Brent D. Grauerholz, MD is a family medicine physician with a practice address in Greeley, Colorado, and NPI 1881672756, issued on Jan 2, 2006. Check the license (Colorado 38073, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brent D. Grauerholz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 38073 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1900 16TH St, Greeley, CO 80631
- Phone
- (970) 350-2454
- Enumerated
- Jan 2, 2006
- Record last updated
- Jan 3, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (970) 350-2447
- Medicaid ID
- 77431049 CO
- Medicare enrollment
- Enrolled (PECOS I20200212000688); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 1900 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janell Durnen, MSN, APN, FNP-BCFamily Nurse Practitioner1265874929
Verify Brent D. Grauerholz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 38073Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
472 Medicare Part D claims for 327 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Prednisone65 claims
- Amoxicillin44 claims
- Dexamethasone31 claims
- Paxlovid30 claims
- Azithromycin27 claims
- Cephalexin25 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
- Poudre Valley Medical Group LLCLoveland, CO
- Salem Clinic PCSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brent D. Grauerholz among 3,563 family medicine physician records in Colorado
Brent D. Grauerholz, 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
- Graduated1990 · median 2008 among the 2,077 with a school on file
- Record last updated2017 · 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).
121 family medicine physician records list a practice address in Greeley
They are 121 of the 3,518 NPPES records with a practice address in Greeley, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Greeley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Patty Beecroft, M.D.Greeley, CO 806311104991496
- Richard Campbell, D.O.Greeley, CO 806311730269853
- Yesenia Centeno-LeonGreeley, CO 806311114375573
- Samuel Davis, MDGreeley, CO 806311336407758
- Rhonda Duran, 207Q00000XGreeley, CO 806311639639438
- Thomas Flower, DOGreeley, CO 806311679576151
- James Major, MDGreeley, CO 806311619955580
- Amy Mattox, M.D.Greeley, CO 806311386840239
Common questions
What is Brent D. Grauerholz, MD's NPI number?
Brent D. Grauerholz, MD's National Provider Identifier (NPI) is 1881672756, issued on Jan 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brent D. Grauerholz, MD located?
The NPPES record lists a practice address at 1900 16TH St, Greeley, CO, 80631. Phone: (970) 350-2454. Providers update this record themselves, so call before visiting.
How can I verify Brent D. Grauerholz, MD's license?
NPPES lists Colorado license number 38073, 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 Brent D. Grauerholz, MD prescribe under Medicare Part D?
In 2024, Brent D. Grauerholz, MD had 472 Medicare Part D claims for 327 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Brent D. Grauerholz, 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.