Stewart Leslie Greisman, D.O.
Emergency Medicine Physician · Avon, CO
Stewart Leslie Greisman, D.O. is an emergency medicine physician with a practice address in Avon, Colorado, and NPI 1831201607, issued on Aug 31, 2006. Check the license (Colorado 18796, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stewart Leslie Greisman
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 18796 CO
Self-reported in NPPES; status is on the state search - Practice location
- 50 Buck Creek Road, Avon, CO 81620
- Phone
- (970) 926-6340
- Enumerated
- Aug 31, 2006
- Record last updated
- Sep 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (970) 926-6348
- Medicaid ID
- 1187962 CO
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 50 Buck Creek Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Bouldry, LCSWClinical Social Worker1164824207
- Carly Carr, LPCMental Health Counselor1437458494
- Mindy Cooper, MDInternal Medicine Physician1659301851
Verify Stewart Leslie Greisman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 18796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average emergency medicine physician in 2024
11 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Stewart Leslie Greisman among 1,434 emergency medicine physician records in Colorado
Stewart Leslie Greisman, D.O. is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% 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, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Colorado
There are 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Avon → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christina Miller, MDCarbondale, CO 816231902848856
- Tinh Huyn, M.D.Craig, CO 816251275716508
- Nadia Iovettz-Tereshchenko, M.D.Craig, CO 816251801082482
- Allan Reishus, M.D.Craig, CO 816251992731665
- Joseph Ayers, D.O.Aspen, CO 816111912909136
- Gregory Balko, MDAspen, CO 816111932103405
- Catherine Bernard, M.D.Aspen, CO 816111972505170
- Darbi Cox, M.D.Aspen, CO 816111033505649
Common questions
What is Stewart Leslie Greisman, D.O.'s NPI number?
Stewart Leslie Greisman, D.O.'s National Provider Identifier (NPI) is 1831201607, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stewart Leslie Greisman, D.O. located?
The NPPES record lists a practice address at 50 Buck Creek Road, Avon, CO, 81620. Phone: (970) 926-6340. Providers update this record themselves, so call before visiting.
How can I verify Stewart Leslie Greisman, D.O.'s license?
NPPES lists Colorado license number 18796, 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 Stewart Leslie Greisman, D.O. prescribe under Medicare Part D?
In 2024, Stewart Leslie Greisman, D.O. had 11 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.