Joshua Gruhl, MD
Radiation Oncology Physician · Thornton, CO
Joshua Gruhl, MD is a radiation oncology physician with a practice address in Thornton, Colorado, and NPI 1982068086, issued on Apr 5, 2016. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joshua Gruhl
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD61145457 WA
Self-reported in NPPES; status is on the state search - Practice location
- 8820 Huron St, Thornton, CO 80260
- Phone
- (303) 386-7622
- Enumerated
- Apr 5, 2016
- Record last updated
- Dec 28, 2025
- Fax
- (303) 427-6800
- Medicare enrollment
- Enrolled (PECOS I20250723001194); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 111 in Colorado → Look up another NPI →
Also registered at 8820 Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daniel Chin, MDRadiation Oncology Physician1356325096
- Karla Garcia-VelezClinical Social Worker1922583020
- Ilona Gomez, FNPFamily Nurse Practitioner1093441677
- Ashley Hubbard, AGPCNPNurse Practitioner1780561845
Verify Joshua Gruhl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average radiation oncology physician in 2024
25 Medicare Part D claims for 18 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $1,035.92
37 payments; by number, the most common kind was food and beverage; the largest payer was Telix Pharmaceuticals. The 3,275 providers of this specialty with any payment received $1,897.85 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
- University OF Utah Adult ServicesSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Gruhl among 111 radiation oncology physician records in Colorado
Joshua Gruhl, MD is one of 111 radiation oncology physician records with a practice address in Colorado. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 9% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2016 · median 2007 among the 88 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Colorado
There are 111 radiation oncology physician records in Colorado.
All 111 in Colorado → Every provider in Thornton → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Daniel Chin, MDThornton, CO 802601356325096
- Gwendolyn McGinnis, MD, MCRThornton, CO 802601326471194
- Kevin Schewe, M.D.Thornton, CO 802601902883952
- Elaine Weng, MDDenver, CO 802621790892537
- Jeffrey Albert, M.D.Lakewood, CO 802281003166109
- Elizabeth Ceilley, M.D.Lakewood, CO 802281629016100
- Vishal Dhere, M.D.Lakewood, CO 802281568995223
- Ralph Wright, MDLakewood, CO 802281932193034
Common questions
What is Joshua Gruhl, MD's NPI number?
Joshua Gruhl, MD's National Provider Identifier (NPI) is 1982068086, issued on Apr 5, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Gruhl, MD located?
The NPPES record lists a practice address at 8820 Huron St, Thornton, CO, 80260. Phone: (303) 386-7622. Providers update this record themselves, so call before visiting.
How can I verify Joshua Gruhl, MD's license?
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 Joshua Gruhl, MD prescribe under Medicare Part D?
In 2024, Joshua Gruhl, MD had 25 Medicare Part D claims for 18 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
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.