Brian Greffe, MD
Pediatric Hematology & Oncology Physician · Aurora, CO
Brian Greffe, MD is a pediatric hematology & oncology physician with a practice address in Aurora, Colorado, and NPI 1609951334, issued on Oct 25, 2006. Check the license (Colorado 27941, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Brian Greffe
- Credential
- MD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 27941 CO
Self-reported in NPPES; status is on the state search - Practice location
- 13123 E 16TH Ave, Aurora, CO 80045
- Phone
- (720) 777-1234
- Enumerated
- Oct 25, 2006
- Record last updated
- Mar 24, 2026
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 89 in Colorado → Look up another NPI →
Also registered at 13123 E 16TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brian Greffe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 27941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Brian Greffe among 89 pediatric hematology & oncology physician records in Colorado
Brian Greffe, MD is one of 89 pediatric hematology & oncology physician records with a practice address in Colorado. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileNo · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Colorado
There are 89 pediatric hematology & oncology physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 89 in Colorado → Every provider in Aurora → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Edythe Albano, MDAurora, CO 800451518042241
- Bruce Cook, M.D.Aurora, CO 800451497775142
- Anna Franklin, MDAurora, CO 800451700857380
- Timothy Garrington, MDAurora, CO 800451831274570
- Roger Giller, MDAurora, CO 800451790860427
- Lia Gore, MDAurora, CO 800451649355389
- David Harford, M.D.Aurora, CO 800451366432254
- Joanne Hilden, M.D.Aurora, CO 800451477516391
Common questions
What is Brian Greffe, MD's NPI number?
Brian Greffe, MD's National Provider Identifier (NPI) is 1609951334, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian Greffe, MD located?
The NPPES record lists a practice address at 13123 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 777-1234. Providers update this record themselves, so call before visiting.
How can I verify Brian Greffe, MD's license?
NPPES lists Colorado license number 27941, 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. 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.