Gary Robert Krieger, MD
Medical Toxicology (Preventive Medicine) Physician · Longmont, CO
Gary Robert Krieger, MD is a medical toxicology (preventive medicine) physician with a practice address in Longmont, Colorado, and NPI 1770216533, issued on Jul 7, 2022. Check the license (Colorado DR.0025792, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gary Robert Krieger
- Credential
- MD
- Primary taxonomy
- Medical Toxicology (Preventive Medicine) Physician 2083T0002X
- License number
- DR.0025792 CO
Self-reported in NPPES; status is on the state search - Practice location
- 8348 Ouray Dr, Longmont, CO 80503
- Phone
- (303) 809-4494
- Enumerated
- Jul 7, 2022
- Record last updated
- Jul 7, 2022
- Entity
- Type 1 · individual
1 nearest medical toxicology (preventive medicine) physician record → All 2 in Colorado → Look up another NPI →
Verify Gary Robert Krieger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0025792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average medical toxicology (preventive medicine) physician in 2024
17 Medicare Part D claims, against an average of 147 among the 10 providers of this specialty who prescribed in Part D.
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.
Medical Toxicology (Preventive Medicine) Physician providers in Colorado
There are 2 medical toxicology (preventive medicine) physician records in Colorado.
All 2 in Colorado → Every provider in Longmont → Medical Toxicology (Preventive Medicine) Physician nationwide →
The 1 medical toxicology (preventive medicine) physician record with the nearest ZIP codes
- Thomas Kurt, MD MPH MASTERS IN PUAspen, CO 816121023133246
Common questions
What is Gary Robert Krieger, MD's NPI number?
Gary Robert Krieger, MD's National Provider Identifier (NPI) is 1770216533, issued on Jul 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Gary Robert Krieger, MD located?
The NPPES record lists a practice address at 8348 Ouray Dr, Longmont, CO, 80503. Phone: (303) 809-4494. Providers update this record themselves, so call before visiting.
How can I verify Gary Robert Krieger, MD's license?
NPPES lists Colorado license number DR.0025792, 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 Gary Robert Krieger, MD prescribe under Medicare Part D?
In 2024, Gary Robert Krieger, MD had 17 Medicare Part D claims; the average among medical toxicology (preventive medicine) physician prescribers was 147. 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.