Greg Feinsinger, MD
Family Medicine Physician · Glenwood Springs, CO
Greg Feinsinger, MD is a family medicine physician with a practice address in Glenwood Springs, Colorado, and NPI 1063595270, issued on Oct 23, 2006. Check the license (Colorado 18124, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Greg Feinsinger
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 18124 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1830 Blake Ave, Glenwood Springs, CO 81601
- Phone
- (970) 945-8503
- Enumerated
- Oct 23, 2006
- Record last updated
- Dec 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (970) 945-0253
- Medicaid ID
- 01181247 CO
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 1830 Blake Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Greg Feinsinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 18124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
32 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Rosuvastatin Calcium13 claims
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.
Greg Feinsinger among 3,563 family medicine physician records in Colorado
Greg Feinsinger, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2010 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family medicine physician records list a practice address in Glenwood Springs
They are 17 of the 609 NPPES records with a practice address in Glenwood Springs, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Glenwood Springs → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Casey Aguirre, DOGlenwood Springs, CO 816011124258926
- Amy Archer, DOGlenwood Springs, CO 816011205800208
- Harry Brokering, MDGlenwood Springs, CO 816011144303355
- Maria Chansky, MDGlenwood Springs, CO 816011013090224
- Sandra Deveny, M.D.Glenwood Springs, CO 816011477545374
- Brett Hesse, M.D.Glenwood Springs, CO 816011962678516
- Kelli Konst-Skwiot, M.D.Glenwood Springs, CO 816011982718441
- Bruce Lippman, MDGlenwood Springs, CO 816011093815003
Common questions
What is Greg Feinsinger, MD's NPI number?
Greg Feinsinger, MD's National Provider Identifier (NPI) is 1063595270, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greg Feinsinger, MD located?
The NPPES record lists a practice address at 1830 Blake Ave, Glenwood Springs, CO, 81601. Phone: (970) 945-8503. Providers update this record themselves, so call before visiting.
How can I verify Greg Feinsinger, MD's license?
NPPES lists Colorado license number 18124, 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.
How much does Greg Feinsinger, MD prescribe under Medicare Part D?
In 2024, Greg Feinsinger, MD had 32 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.