Brent Grauerholz, MD
NPI 1881672756 · Family Medicine Physician · Greeley, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brent Grauerholz, MD is a Family Medicine Physician provider in Greeley, CO (NPI 1881672756).
Provider details
- NPI number
- 1881672756
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 38073 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
482 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 188 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $127 |
| Automated Urinalysis Test81003 | 44 | $2 |
| Respiratory Infectious Agent Detection By Rna for Severe Acute Respiratory Syndrome Coronavirus 2 (covid 19), Influenza A, Influenza B, and Respiratory Syncytial Virus, Upper Respiratory Specimen, Each Reported As Detected Or Not Detected0241U | 43 | $140 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 41 | $112 |
| X-Ray of Chest, 2 Views |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 65 | 62 |
| Amoxicillin | 44 | 44 |
| Dexamethasone | 31 | 31 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 30 | 30 |
| Azithromycin | 27 | 26 |
| Cephalexin | 25 | 25 |
| Methylprednisolone | 20 | 20 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-02
- Last updated
- 2017-01-03
Frequently asked questions
- What is Brent Grauerholz's NPI number?
- Brent Grauerholz's National Provider Identifier (NPI) is 1881672756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brent Grauerholz's specialty?
- Brent Grauerholz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brent Grauerholz located?
- Brent Grauerholz's practice location on file with NPPES is 1900 16th St, Greeley, CO 80631-5114.
- What is Brent Grauerholz's phone number?
- The practice phone number listed in the NPPES registry for Brent Grauerholz is (970) 350-2454.
- Does Brent Grauerholz accept Medicare?
- Brent Grauerholz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brent Grauerholz's NPI active?
- Yes — Brent Grauerholz's NPI (1881672756) is active in the NPPES registry as of the last update on 2017-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.