Benjamin Greller, MD
Internal Medicine Physician · Golden, CO
Benjamin Greller, MD is an internal medicine physician with a practice address in Golden, Colorado, and NPI 1891829545, issued on Mar 15, 2007. Check the license (Colorado 45132, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Benjamin Greller
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 45132 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1707 Cole Blvd, Golden, CO 80401
- Phone
- (303) 716-8026
- Enumerated
- Mar 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (303) 763-5495
- Entity
- Type 1 · individual
Also registered at 1707 Cole Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ernest Castro, MDFamily Medicine Physician1982785721
- Duane Claassen, M.D.Family Medicine Physician1497759880
- Carrie Hildebrandt, RXN,NPAdult Psychiatric/Mental Health Clinical Nurse Specialist1427102052
- Julie HsuPhysician Assistant1417065244
- Arti Karna, MDInternal Medicine Physician1326158627
- Sally Quick, PAPhysician Assistant1730113077
Verify Benjamin Greller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36 internal medicine physician records list a practice address in Golden
They are 36 of the 1,371 NPPES records with a practice address in Golden, and 2,046 internal medicine physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36 in Golden → All 2,046 in Colorado → Every provider in Golden →
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- David Abbey, MS MDFort Collins, CO1568483196
- Tyler Abbey, DOGreeley, CO1730572694
- Sahar Abdelqader, MDLongmont, CO1366600710
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Durant Abernethy, M.D.Frisco, CO1427289040
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
- Richard Abrams, M.D.Denver, CO1174645386
Common questions
What is Benjamin Greller, MD's NPI number?
Benjamin Greller, MD's National Provider Identifier (NPI) is 1891829545, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Greller, MD located?
The NPPES record lists a practice address at 1707 Cole Blvd, Golden, CO, 80401. Phone: (303) 716-8026. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Greller, MD's license?
NPPES lists Colorado license number 45132, 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.