Doctor profile · Federal record

Dr. Ajay Major, MD, MBA

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Aurora, CO

  • NPI 1336502731
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1665 Aurora CT
Aurora, CO 800452517
(720) 848-0000
Mailing address
Po Box 110429
Aurora, CO 800420429

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
April 9, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Colorado #DR.0068320

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336502731. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
380
Distinct HCPCS
6
Medicare allowed
$46,230
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 247 59 $118
99239 Hospital discharge day management, more than 30 minutes 39 36 $114
99215 Established patient office or other outpatient visit, 40-54 minutes 34 18 $142
99215 Established patient office or other outpatient visit, 40-54 minutes 25 16 $172
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 19 13 $31
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $179

In context: peer comparison

Among 8 peers in Aurora Hematology & Oncology Physician, average services per provider: 81. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$131
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $96.68
Genmab U.S., INC. 1 $34.50

By nature of payment

Food and Beverage
$131

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$285
Drug Type Claims Patients Total cost
Acyclovir Generic 12 0 $285

Frequently asked questions

Auto-generated from federal data
What is Dr. Ajay Major's medical specialty?
Dr. Ajay Major practices Hematology & Oncology Physician in Aurora, CO.
Where does Dr. Ajay Major practice?
Dr. Ajay Major practices at 1665 Aurora CT, Aurora, CO 800452517. Office phone: 7208480000.
What is Dr. Ajay Major's NPI?
Dr. Ajay Major's National Provider Identifier (NPI) is 1336502731, issued by NPPES.
Does Dr. Ajay Major accept Medicare assignment?
Yes. Dr. Ajay Major accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ajay Major commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.