Gregory M. Margolin, DO
Critical Care Medicine (Internal Medicine) Physician · Greenwood Village, CO
Gregory M. Margolin, DO is a critical care medicine (internal medicine) physician with a practice address in Greenwood Village, Colorado, and NPI 1033194998, issued on Dec 13, 2005. Check the license (Colorado 0045952, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory M. Margolin
- Credential
- DO
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 0045952 CO
3894 AZ
221275-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7100 E Belleview Ave Ste G10, Greenwood Village, CO 80111
- Phone
- (303) 745-0000
- Enumerated
- Dec 13, 2005
- Record last updated
- Jun 14, 2024
- Fax
- (303) 773-3675
- Medicaid ID
- 784878 AZ
- Medicare enrollment
- Enrolled (PECOS I20071204000533); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 149 in Colorado → Look up another NPI →
Also registered at 7100 E Belleview Ave Ste G10
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brett Ahlberg, DOHospitalist Physician1235635004
- Ahmad Alsaleem, M.D.Critical Care Medicine (Internal Medicine) Physician1215902424
- Sam Ancheril, MDCritical Care Medicine (Internal Medicine) Physician1285711846
- Fnu Arjun Saradna, MDCritical Care Medicine (Internal Medicine) Physician1972047694
- Cristian Arvinte, MDCritical Care Medicine (Internal Medicine) Physician1285651836
- Alexandra Bachinsky, PA-CPhysician Assistant1609474469
Verify Gregory M. Margolin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 0045952Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Critical Care And Pulmonary Consultants, P.C.Greenwood Village, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory M. Margolin among 149 critical care medicine (internal medicine) physician records in Colorado
Gregory M. Margolin, DO is one of 149 critical care medicine (internal medicine) physician records with a practice address in Colorado. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1997 · median 2005 among the 123 with a school on file
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 critical care medicine (internal medicine) physician records list a practice address in Greenwood Village
They are 36 of the 2,654 NPPES records with a practice address in Greenwood Village, and 149 critical care medicine (internal medicine) physician records in Colorado.
All 149 in Colorado → Every provider in Greenwood Village → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Ahmad Alsaleem, M.D.Greenwood Village, CO 801111215902424
- Cristian Arvinte, MDGreenwood Village, CO 801111285651836
- Michelle Beutz, MDGreenwood Village, CO 801111275509689
- Charlene Brady, MDGreenwood Village, CO 801111083686307
- Joseph Forrester, M.D.Greenwood Village, CO 801111316951296
- Mai-Lan Huynh, MDGreenwood Village, CO 801111801992060
- Philippe Lopez, M.D.Greenwood Village, CO 801111497740591
- Michael McClellan, MDGreenwood Village, CO 801111770699209
Common questions
What is Gregory M. Margolin, DO's NPI number?
Gregory M. Margolin, DO's National Provider Identifier (NPI) is 1033194998, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory M. Margolin, DO located?
The NPPES record lists a practice address at 7100 E Belleview Ave Ste G10, Greenwood Village, CO, 80111. Phone: (303) 745-0000. Providers update this record themselves, so call before visiting.
How can I verify Gregory M. Margolin, DO's license?
NPPES lists Colorado license number 0045952, 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. 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.