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DR. AJAY MAJOR MD, MBA
NPI 1336502731
Internal Medicine - Hematology & Oncology in Aurora, CO

Active since April 01, 2016PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
1665 AURORA CT, AURORA, CO 80045(720) 848-0000 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 9, 2025, Jan 17, 2023, Jul 27, 2022 and 2 more (5 updates tracked since 2016).

About Dr. Ajay Major Md, Mba NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AJAY MAJOR MD, MBA (NPI 1336502731) is an individual hematology & oncology provider in Aurora, Colorado, licensed in Colorado (DR.0068320) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1336502731
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. AJAY MAJORCredential: MD, MBA
Location Address1665 AURORA CTAurora, CO 80045-2517
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Phone(720) 848-0000
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 1, 2016
Last NPPES UpdateApril 9, 20255 updates tracked since enumeration
NPPES CertifiedApril 9, 2025
✔ NPI 1336502731 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CO · DR.0068320
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License DR.0068320 (CO)
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License DR.0068320 (CO)
1665 AURORA CT, Aurora, CO 80045
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ajay Major Md, Mba is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840582664
PECOS Enrollment IDI20220808001078
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
175 services49 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
60 services31 patients
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 G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
58 services20 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
32 services21 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
25 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
24 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$174.82 typical visit price
range $58.06 – $174.82
Typical copayment $43.70 (range $14.51 – $43.70)
Most-billed visit code 99205
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THERESA PACHECO MD
Dermatology (Procedural Dermatology)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-0000
DR. TYLER ROBIN MD
Radiology (Radiation Oncology)
1665 AURORA CT, SUITE 1032, MSF706
AURORA, CO 80045
Adams County (720) 848-0100
MARCUS C ALT PH.D.
Psychologist (Clinical)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-0000
KAITLIN OLSON PA
Physician Assistant (Medical)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-6400
DR. RYAN MICHAEL LANNING M.D., PHD.
Radiology (Radiation Oncology)
1665 AURORA CT, SUITE 1032
AURORA, CO 80045
Adams County (720) 848-0100
NICOLE PAIGE WOLSKI NP
Nurse Practitioner (Adult Health)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-0000
CAILIN COLLINS MD
Internal Medicine (Hematology & Oncology)
1665 AURORA CT
AURORA, CO 80045
Adams County (720) 848-0000
LISA MARIE BABAYAN PA
Physician Assistant
1665 AURORA CT
AURORA, CO 80045
Adams County (303) 724-2066

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ajay Major's NPI number?

The NPI number for Ajay Major is 1336502731. It was assigned to this individual provider in the NPPES registry on April 1, 2016.

Where is Ajay Major located?

Ajay Major practices at 1665 Aurora Ct, Aurora, CO 80045. The listed phone number is (720) 848-0000.

What is Ajay Major's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Ajay Major enrolled in Medicare?

Yes. Ajay Major is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ajay Major accept?

Health plans from Medica and UnitedHealthcare list Ajay Major as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ajay Major was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.