NPPES file of Aug 9, 2026

Gregory B. Hughes, MD

Endocrinology, Diabetes & Metabolism Physician · Loveland, CO

Gregory B. Hughes, MD is an endocrinology, diabetes & metabolism physician with a practice address in Loveland, Colorado, and NPI 1477520997, issued on Mar 2, 2006. Check the license (Colorado 36521, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477520997
Name
Gregory B. Hughes
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
36521 CO
0101042933 VA
Self-reported in NPPES; status is on the state search
Practice location
2500 Rocky Mountain Ave, Loveland, CO 80538
Phone
(970) 203-7000
Enumerated
Mar 2, 2006
Record last updated
Jan 26, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid IDs
1477520997 VA
01365212 CO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest endocrinology, diabetes & metabolism physician records → All 149 in Colorado → Look up another NPI →

Also registered at 2500 Rocky Mountain Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

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  5. Nathan Ayer, M.D., M.P.H.Internal Medicine Physician1457361172
  6. Jessica Bare, D.O.Obstetrics & Gynecology Physician1528357209

Verify Gregory B. Hughes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 36521    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Gregory B. Hughes among 149 endocrinology, diabetes & metabolism physician records in Colorado

Gregory B. Hughes, MD is one of 149 endocrinology, diabetes & metabolism physician records with a practice address in Colorado. 83% 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 49% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2015 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Colorado

There are 149 endocrinology, diabetes & metabolism physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 149 in Colorado → Every provider in Loveland → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Dilasha Katwal, M.D.Loveland, CO 805381841604790
  2. Maria Paula Reyes Ramirez, MDLoveland, CO 805381720615230
  3. Sindhura TrivediLoveland, CO 805381891922522
  4. Meriam Izon, M.D.Fort Collins, CO 805281093723231
  5. Polina Kaloyanova, MDFort Collins, CO 805281073707667
  6. Alejandro Munoz, M.D.Fort Collins, CO 805281568639391
  7. Darin Olson, M.D., PH.D.Fort Collins, CO 805281043324700
  8. Barbara Widom, M.D.Fort Collins, CO 805251669480810

Common questions

What is Gregory B. Hughes, MD's NPI number?

Gregory B. Hughes, MD's National Provider Identifier (NPI) is 1477520997, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory B. Hughes, MD located?

The NPPES record lists a practice address at 2500 Rocky Mountain Ave, Loveland, CO, 80538. Phone: (970) 203-7000. Providers update this record themselves, so call before visiting.

How can I verify Gregory B. Hughes, MD's license?

NPPES lists Colorado license number 36521, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.