NPPES file of Aug 9, 2026

Maximilian Roemer, DO

Internal Medicine Physician · Greenwood Village, CO

Maximilian Roemer, DO is an internal medicine physician with a practice address in Greenwood Village, Colorado, and NPI 1477119428, issued on May 15, 2019. Check the license (Colorado DR.0072762, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477119428
Name
Maximilian Roemer
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
DR.0072762 CO
OT019053 PA
Self-reported in NPPES; status is on the state search
Practice location
9250 E Costilla Ave Ste 540, Greenwood Village, CO 80112
Phone
(720) 644-9355
Enumerated
May 15, 2019
Record last updated
Aug 2, 2024
Medicare enrollment
Enrolled (PECOS I20240625000520); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9250 E Costilla Ave Ste 540

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

  1. Charles Bellows, M.D.Surgery Physician1245334762
  2. Anthony Bosse, FNPNurse Practitioner1316754617
  3. Karen BranhamFamily Nurse Practitioner1881473973
  4. Micah Craig, MDHospitalist Physician1801357561
  5. Sarah FinkAdult Health Nurse Practitioner1578483939
  6. Mena HashimPhysician Assistant1700633146

Verify Maximilian Roemer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0072762
    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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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

230 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Maximilian Roemer230
  2. Specialty average3,176

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.

Bills Medicare through one group practice

  1. Heartlight Family Clinic LLCCastle Rock, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

37 internal medicine physician records list a practice address in Greenwood Village

They are 37 of the 2,654 NPPES records with a practice address in Greenwood Village, and 2,046 internal medicine physician records in Colorado.

Other internal medicine physician records in Colorado

  1. Emily Aaron, MDDenver, CO1205256971
  2. David Abbey, MS MDFort Collins, CO1568483196
  3. Tyler Abbey, DOGreeley, CO1730572694
  4. Sahar Abdelqader, MDLongmont, CO1366600710
  5. Ahmed Abdulrahman, MDPueblo, CO1093425068
  6. Durant Abernethy, M.D.Frisco, CO1427289040
  7. Alan Aboaf, MDCentennial, CO1003866393
  8. Adam Abraham, MDAurora, CO1720178304
  9. Phebe Abraham, MDGreeley, CO1558980540
  10. Richard Abrams, M.D.Denver, CO1174645386

Common questions

What is Maximilian Roemer, DO's NPI number?

Maximilian Roemer, DO's National Provider Identifier (NPI) is 1477119428, issued on May 15, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Maximilian Roemer, DO located?

The NPPES record lists a practice address at 9250 E Costilla Ave Ste 540, Greenwood Village, CO, 80112. Phone: (720) 644-9355. Providers update this record themselves, so call before visiting.

How can I verify Maximilian Roemer, DO's license?

NPPES lists Colorado license number DR.0072762, 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 Maximilian Roemer, DO prescribe under Medicare Part D?

In 2024, Maximilian Roemer, DO had 230 Medicare Part D claims for 72 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.