John W. Grudis, MD
Diagnostic Radiology Physician · Lafayette, CO
John W. Grudis, MD is a diagnostic radiology physician with a practice address in Lafayette, Colorado, and NPI 1689718462, issued on Feb 16, 2007. Check the license (Colorado 18989, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John W. Grudis
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 18989 CO
Self-reported in NPPES; status is on the state search - Practice location
- 280 Exempla Cir, Lafayette, CO 80026
- Phone
- (303) 338-4545
- Enumerated
- Feb 16, 2007
- Record last updated
- Jun 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 01189893 CO
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 796 in Colorado → Look up another NPI →
Also registered at 280 Exempla Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phyllis Acker, RNRheumatology Physician1821125709
- Brian AcresAmbulatory Care Registered Nurse1174865752
- Jennifer AirhartNurse's Aide1336276310
- Alice Albert, ODOptometrist1639206683
- Jill Allen, R.N.Registered Nurse1114043726
- Sandra AllenNurse's Aide1760519789
Verify John W. Grudis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 18989Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John W. Grudis among 796 diagnostic radiology physician records in Colorado
John W. Grudis, MD is one of 796 diagnostic radiology physician records with a practice address in Colorado. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 39% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2015 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Colorado
There are 796 diagnostic radiology physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 796 in Colorado → Every provider in Lafayette → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Marc Laberge, M.D.Lafayette, CO 800261578899746
- Ryan Rockhill, MDLafayette, CO 800261780667964
- Maria Torrone, MDLafayette, CO 800261649473109
- Dennis Toy, MDLafayette, CO 800261386919652
- Xin Ye, M.D.Lafayette, CO 800261942566971
- Merlyn Gibson, MDBroomfield, CO 800231124044565
- Rebecca ChettriBroomfield, CO 800211457706160
- Maksym Dymek, M.D.Wheat Ridge, CO 800331306829684
Common questions
What is John W. Grudis, MD's NPI number?
John W. Grudis, MD's National Provider Identifier (NPI) is 1689718462, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John W. Grudis, MD located?
The NPPES record lists a practice address at 280 Exempla Cir, Lafayette, CO, 80026. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify John W. Grudis, MD's license?
NPPES lists Colorado license number 18989, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.