NPPES file of Aug 9, 2026

Aaron T. Gerds, MD, MS

Hematology & Oncology Physician · Cleveland, OH

Aaron T. Gerds, MD, MS is a hematology & oncology physician with a practice address in Cleveland, Ohio, and NPI 1922254937, issued on Aug 9, 2008. Check the license (Ohio 35-121226-S, as entered in NPPES) on the State Medical Board of Ohio; 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
1922254937
Name
Aaron T. Gerds
Credential
MD, MS
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
35-121226-S OH
35.121226 OH
MD60138577 WA
Self-reported in NPPES; status is on the state search
Practice location
9500 Euclid Ave R35, Cleveland, OH 44195
Phone
(216) 445-9840
Enumerated
Aug 9, 2008
Record last updated
Dec 22, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(216) 444-9464
Medicaid ID
0086490 OH
Medicare enrollment
Enrolled (PECOS I20130722000492); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2006
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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Verify Aaron T. Gerds in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35-121226-S
    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 Ohio license search

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18% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

722 Medicare Part D claims for 119 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 71% of claims.

  1. Aaron Gerds722
  2. Specialty average877

Most prescribed

  1. Jakafi272 claims
  2. Ojjaara154 claims
  3. Hydroxyurea109 claims
  4. Acyclovir27 claims
  5. Besremi25 claims
  6. Ayvakit23 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: $13,830.56

9 payments; by number, the most common kind was consulting fee; the largest payer was E.R. Squibb & Sons, L.L.C. 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. Aaron Gerds$13,831
  2. Specialty average$7,481

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

One hospital affiliation

  1. Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Aaron T. Gerds among 513 hematology & oncology physician records in Ohio

Aaron T. Gerds, MD, MS is one of 513 hematology & oncology physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2006 · median 2001 among the 369 with a school on file
  • Record last updated2014 · 53% 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 Ohio 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 Ohio

There are 513 hematology & oncology physician records in Ohio.

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

  1. David Adelstein, M.D.Cleveland, OH 441951922061365
  2. Ronald Bukowski, MDCleveland, OH 441951952365603
  3. Matt Kalaycio, MDCleveland, OH 441951710943006
  4. Omer Koc, MDCleveland, OH 441951588629059
  5. Alan Lichtin, MDCleveland, OH 441951366406456
  6. Vinit Makkar, M.D.Cleveland, OH 441951841254083
  7. Halle Moore, M.D.Cleveland, OH 441951700840683
  8. Marcelo Pasquini, MDCleveland, OH 441951174575856

Common questions

What is Aaron T. Gerds, MD, MS's NPI number?

Aaron T. Gerds, MD, MS's National Provider Identifier (NPI) is 1922254937, issued on Aug 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Aaron T. Gerds, MD, MS located?

The NPPES record lists a practice address at 9500 Euclid Ave R35, Cleveland, OH, 44195. Phone: (216) 445-9840. Providers update this record themselves, so call before visiting.

How can I verify Aaron T. Gerds, MD, MS's license?

NPPES lists Ohio license number 35-121226-S, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Aaron T. Gerds, MD, MS prescribe under Medicare Part D?

In 2024, Aaron T. Gerds, MD, MS had 722 Medicare Part D claims for 119 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.