NPPES file of Aug 9, 2026

Andrew Ross Wickman O'Brien, MD

Hematology & Oncology Physician · Indianapolis, IN

Andrew Ross Wickman O'Brien, MD is a hematology & oncology physician with a practice address in Indianapolis, Indiana, and NPI 1962848507, issued on May 21, 2013. Check the license (Indiana 01078693A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962848507
Name
Andrew Ross Wickman O'Brien
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
01078693A IN
11017065A IN
Self-reported in NPPES; status is on the state search
Practice location
8326 Naab RD, Indianapolis, IN 46260
Phone
(317) 871-0000
Enumerated
May 21, 2013
Record last updated
Mar 15, 2025
Fax
(317) 871-0010
Medicaid ID
300013620 IN
Medicare enrollment
Enrolled (PECOS I20180405002366); accepts Medicare assignment
Medical or professional school
University Of Louisville School Of Medicine, 2013
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8326 Naab RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eman Abdelghani, M.DPediatric Hematology & Oncology Physician1730532490
  2. Sanjay Ahuja, MDPediatric Hematology & Oncology Physician1306820717
  3. Razan Aljaras, MDInternal Medicine Physician1255910279
  4. Yasmin Arafah, MDHematology & Oncology Physician1174000707
  5. Anthony Betbadal, MDHematology & Oncology Physician1396011292
  6. Kimberly Blackwell, PA-CPhysician Assistant1013098342

Verify Andrew Ross Wickman O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01078693A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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43% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

497 Medicare Part D claims for 75 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 187 claims were for opioids.

  1. Andrew O'Brien497
  2. Specialty average877

Most prescribed

  1. Eliquis126 claims
  2. Oxycodone Hcl67 claims
  3. Nucynta30 claims
  4. Xarelto30 claims
  5. Enoxaparin Sodium28 claims
  6. Fondaparinux Sodium23 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: $2,492.64

2 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Pfizer 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.

  1. Andrew O'Brien$2,492.64
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Indiana University Health IncMartinsville, IN
  2. IU Health Medical Group LLCIndianapolis, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Andrew Ross Wickman O'Brien among 245 hematology & oncology physician records in Indiana

Andrew Ross Wickman O'Brien, MD is one of 245 hematology & oncology physician records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 80% of them.

  • NPI issued2013 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2013 · median 2001 among the 177 with a school on file
  • Record last updated2025 · 40% 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 Indiana 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 Indiana

There are 245 hematology & oncology physician records in Indiana.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Ruemu Birhiray, MDIndianapolis, IN 462601295735058
  2. Amy Braden, D.O.Indianapolis, IN 462601750556684
  3. Fred Butler, M.D.Indianapolis, IN 462601174592166
  4. James Cleary, MDIndianapolis, IN 462601841266855
  5. William Dugan, MDIndianapolis, IN 462601568434918
  6. Jay Gaddy, M.D.Indianapolis, IN 462601124102918
  7. Anne Greist, MDIndianapolis, IN 462601063477073
  8. David Hedrick, M.D.Indianapolis, IN 462601659532927

Common questions

What is Andrew Ross Wickman O'Brien, MD's NPI number?

Andrew Ross Wickman O'Brien, MD's National Provider Identifier (NPI) is 1962848507, issued on May 21, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Ross Wickman O'Brien, MD located?

The NPPES record lists a practice address at 8326 Naab RD, Indianapolis, IN, 46260. Phone: (317) 871-0000. Providers update this record themselves, so call before visiting.

How can I verify Andrew Ross Wickman O'Brien, MD's license?

NPPES lists Indiana license number 01078693A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Andrew Ross Wickman O'Brien, MD prescribe under Medicare Part D?

In 2024, Andrew Ross Wickman O'Brien, MD had 497 Medicare Part D claims for 75 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

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.