Ajay Major, MD, MBA
Hematology & Oncology Physician · Aurora, CO
Ajay Major, MD, MBA is a hematology & oncology physician with a practice address in Aurora, Colorado, and NPI 1336502731, issued on Apr 1, 2016. Check the license (Colorado DR.0068320, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ajay Major
- Credential
- MD, MBA
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- DR.0068320 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1665 Aurora CT, Aurora, CO 80045
- Phone
- (720) 848-0000
- Enumerated
- Apr 1, 2016
- Record last updated
- Apr 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20220808001078); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 212 in Colorado → Look up another NPI →
Also registered at 1665 Aurora CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Diana Antenucci, NPAdult Health Nurse Practitioner1902583016
- Cynthia Armstrong, PT, DPTPhysical Therapist1730192642
Verify Ajay Major in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0068320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
234 Medicare Part D claims for 33 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 16 claims were for opioids.
Most prescribed
- Brukinsa21 claims
- Acyclovir19 claims
- Prednisone19 claims
- Sulfamethoxazole-Trimethoprim17 claims
- Oxycodone Hcl14 claims
- Prochlorperazine Maleate13 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $131.18
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Bills Medicare through one group practice
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ajay Major among 212 hematology & oncology physician records in Colorado
Ajay Major, MD, MBA is one of 212 hematology & oncology 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 2016, is newer than 91% of them.
- NPI issued2016 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2016 · median 2004 among the 150 with a school on file
- Record last updated2025 · 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 207RH0003X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Colorado
There are 212 hematology & oncology physician records in Colorado.
All 212 in Colorado → Every provider in Aurora → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Angela Davies, M.D.Aurora, CO 800451346222114
- Jennifer Diamond, MDAurora, CO 800451912053513
- Thomas Flaig, MDAurora, CO 800451881620326
- Bradley Haverkos, MDAurora, CO 800451679707319
- Manali Kamdar, MDAurora, CO 800451184817959
- Madeleine Kane, M.D.Aurora, CO 800451528034964
- Tomer Mark, MD, MSCAurora, CO 800451891981346
- Ara Metjian, MDAurora, CO 800451679635502
Common questions
What is Ajay Major, MD, MBA's NPI number?
Ajay Major, MD, MBA's National Provider Identifier (NPI) is 1336502731, issued on Apr 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ajay Major, MD, MBA located?
The NPPES record lists a practice address at 1665 Aurora CT, Aurora, CO, 80045. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.
How can I verify Ajay Major, MD, MBA's license?
NPPES lists Colorado license number DR.0068320, 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 Ajay Major, MD, MBA prescribe under Medicare Part D?
In 2024, Ajay Major, MD, MBA had 234 Medicare Part D claims for 33 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Ajay Major, MD, MBA's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.