Donald Chaffin, MD
Anatomic Pathology & Clinical Pathology Physician · Greeley, CO
Donald Chaffin, MD is an anatomic pathology & clinical pathology physician with a practice address in Greeley, Colorado, and NPI 1689633109, issued on Mar 22, 2006. Check the license (Colorado 37647, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Donald Chaffin
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License numbers
- 37647 CO
G88549 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1801 16TH St, Greeley, CO 80631
- Phone
- (970) 350-6720
- Enumerated
- Mar 22, 2006
- Entity
- Type 1 · individual
Also registered at 1801 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rodger Anders, PA-CPhysician Assistant1710956917
- Renee Anderson, CRNACertified Registered Nurse Anesthetist1457339848
- Adrien Arling, PA-CSurgical Physician Assistant1255907382
- Sydney Aronson, MSPAS, PA-CSurgical Physician Assistant1376000653
- Ronald Baars, PHARMDPharmacist1649252867
Verify Donald Chaffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 37647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Anatomic Pathology & Clinical Pathology Physician providers in Colorado
There are 222 anatomic pathology & clinical pathology physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other anatomic pathology & clinical pathology physician records in Colorado
- Gregory Achenbach, M.D.Lone Tree, CO1861440539
- Shadia Alam, M.D.Loveland, CO1790991859
- Elaine Allgood, MDBoulder, CO1093772147
- Brooke Alt, M.D.Boulder, CO1326008871
- Jeremiah Andersen, MDLoveland, CO1831246719
- Terry Andres, MDDenver, CO1033253802
- Karen Anthony, M.D.Colorado Springs, CO1205867694
- Martin Appenzeller, MDPueblo, CO1679537005
- Sara Arafat, MDColorado Springs, CO1891347720
- Christina Arnold, MDAurora, CO1356544969
Common questions
What is Donald Chaffin, MD's NPI number?
Donald Chaffin, MD's National Provider Identifier (NPI) is 1689633109, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Chaffin, MD located?
The NPPES record lists a practice address at 1801 16TH St, Greeley, CO, 80631. Phone: (970) 350-6720. Providers update this record themselves, so call before visiting.
How can I verify Donald Chaffin, MD's license?
NPPES lists Colorado license number 37647, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.