Gregory Britt, M.D.
Hematology & Oncology Physician · Boulder, CO
Gregory Britt, M.D. is a hematology & oncology physician with a practice address in Boulder, Colorado, and NPI 1982645982, issued on Jun 9, 2006. Check the license (Colorado 52838, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Britt
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 52838 CO
229857 MA
Self-reported in NPPES; status is on the state search - Practice location
- 4715 Arapahoe Ave, Boulder, CO 80303
- Phone
- (303) 385-2000
- Enumerated
- Jun 9, 2006
- Entity
- Type 1 · individual
Also registered at 4715 Arapahoe Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Andorsky, MDHematology & Oncology Physician1609061837
- Andrew Antell, MDRadiation Oncology Physician1508840158
- Terri Bauer, LCSWClinical Social Worker1841509056
- Leslie Busby, MDHematology & Oncology Physician1952385502
- John Fleagle, MDHematology & Oncology Physician1346224433
- Anne Haakenson, RNRegistered Nurse1568307890
Verify Gregory Britt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 52838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3% more Medicare Part D claims than the average hematology & oncology physician in 2024
912 Medicare Part D claims for 176 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 39 claims were for opioids.
Most prescribed
- Anastrozole124 claims
- Eliquis61 claims
- Tamoxifen Citrate60 claims
- Prednisone45 claims
- Gabapentin38 claims
- Hydroxyurea27 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.
Industry payments in 2024: $51.90
2 payments, mostly food and beverage; the largest payer was Genentech USA, Inc.. The 6,678 providers of this specialty with any payment received $7,643.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Rocky Mountain Cancer Centers LLPBoulder, CO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hematology & Oncology Physician providers in Colorado
There are 173 hematology & oncology physician records in Colorado.
Other hematology & oncology physician records in Colorado
- Anosheh Afghahi, MDAurora, CO1689981656
- Raul Alvarez, M.D.Englewood, CO1376597260
- Maria Amaya, MDAurora, CO1598150856
- David Andorsky, MDBoulder, CO1609061837
- Travis Archuleta, MDPueblo, CO1457335010
- Louis Balizet, MDPueblo, CO1831173574
- John Barnett, MDLongmont, CO1952341273
- Michele Basche, MDDenver, CO1306820022
- Scott Bearman, MDDenver, CO1528042249
- Florencia Benton, M.D.Littleton, CO1427203033
Common questions
What is Gregory Britt, M.D.'s NPI number?
Gregory Britt, M.D.'s National Provider Identifier (NPI) is 1982645982, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Britt, M.D. located?
The NPPES record lists a practice address at 4715 Arapahoe Ave, Boulder, CO, 80303. Phone: (303) 385-2000. Providers update this record themselves, so call before visiting.
How can I verify Gregory Britt, M.D.'s license?
NPPES lists Colorado license number 52838, 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 Gregory Britt, M.D. prescribe under Medicare Part D?
In 2024, Gregory Britt, M.D. had 912 Medicare Part D claims for 176 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.