Aaron Thomas McGrew, PA-C
Medical Physician Assistant · Johnstown, CO
Aaron Thomas McGrew, PA-C is a medical physician assistant with a practice address in Johnstown, Colorado, and NPI 1326232588, issued on Aug 30, 2007. Check the license (Colorado PA2303, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Aaron Thomas McGrew
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA2303 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4795 Larimer Pkwy Ste 150, Johnstown, CO 80534
- Phone
- (970) 342-2222
- Enumerated
- Aug 30, 2007
- Record last updated
- Dec 18, 2024
- Fax
- (970) 342-2233
- Medicare enrollment
- Enrolled (PECOS I20140128001574); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,308 in Colorado → Look up another NPI →
Also registered at 4795 Larimer Pkwy Ste 150
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Barksdale, MDDermatopathology Physician1659393742
- April Hofmann, PA-CPhysician Assistant1225314115
- Eric Krinsky, PA-CPhysician Assistant1659773612
Verify Aaron Thomas McGrew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license PA2303Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average medical physician assistant in 2024
281 Medicare Part D claims for 135 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Clobetasol Propionate45 claims
- Triamcinolone Acetonide41 claims
- Metronidazole20 claims
- Humira(Cf) Pen18 claims
- Betamethasone Diprop Augmented15 claims
- Desonide15 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): 83.1 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).
Industry payments in 2024: $1,410.98
61 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 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
- Altitude Dermatology PCJohnstown, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Thomas McGrew among 1,308 medical physician assistant records in Colorado
Aaron Thomas McGrew, PA-C is one of 1,308 medical physician assistant records with a practice address in Colorado. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 69% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2006 · median 2014 among the 727 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 medical physician assistant records list a practice address in Johnstown
They are 2 of the 163 NPPES records with a practice address in Johnstown, and 1,308 medical physician assistant records in Colorado.
All 1,308 in Colorado → Every provider in Johnstown → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Christopher Kottenstette, PA-C, CPEJohnstown, CO 805341023099348
- Justin Palmer, PA-CLoveland, CO 805371891171955
- Colin Strack, PA-CLoveland, CO 805371003274192
- Sara TredennickLoveland, CO 805371811849870
- Joseph BallentLoveland, CO 805381326690678
- Tara Clemens, PAFrederick, CO 805301164455689
- Dominique Igoe, PA-CLoveland, CO 805381184990731
- Shari Lopez Ritchie, PA-CLoveland, CO 805381891703286
Common questions
What is Aaron Thomas McGrew, PA-C's NPI number?
Aaron Thomas McGrew, PA-C's National Provider Identifier (NPI) is 1326232588, issued on Aug 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Thomas McGrew, PA-C located?
The NPPES record lists a practice address at 4795 Larimer Pkwy Ste 150, Johnstown, CO, 80534. Phone: (970) 342-2222. Providers update this record themselves, so call before visiting.
How can I verify Aaron Thomas McGrew, PA-C's license?
NPPES lists Colorado license number PA2303, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Aaron Thomas McGrew, PA-C prescribe under Medicare Part D?
In 2024, Aaron Thomas McGrew, PA-C had 281 Medicare Part D claims for 135 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Aaron Thomas McGrew, PA-C's MIPS final score?
The 2023 MIPS final score is 83.1 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.