Mayer Gorbaty, M.D.
Medical Oncology Physician · Randallstown, MD
Mayer Gorbaty, M.D. is a medical oncology physician with a practice address in Randallstown, Maryland, and NPI 1710083241, issued on Sep 15, 2006. Check the license (Maryland D0027938, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mayer Gorbaty
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- D0027938 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5401 Old Court Road, Randallstown, MD 21133
- Phone
- (410) 701-4466
- Enumerated
- Sep 15, 2006
- Record last updated
- May 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (410) 701-4598
- Medicaid IDs
- 380511500 MD
042765900 DC - Medicare enrollment
- Enrolled (PECOS I20250306001681); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 224 in Maryland → Look up another NPI →
Also registered at 5401 Old Court Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mario Dimitrov, PA-CMedical Physician Assistant1013939255
- Kristy Fogle, PA-CPhysician Assistant1508291410
- Thomas Krisanda, MDEmergency Medicine Physician1770648370
- Lisa Quarles, PAPhysician Assistant1417993205
- Kathleen Ryan, PA-CSurgical Physician Assistant1538181888
Verify Mayer Gorbaty in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0027938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average medical oncology physician in 2024
864 Medicare Part D claims for 163 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 21 claims were for opioids.
Most prescribed
- Potassium Chloride93 claims
- Anastrozole56 claims
- Letrozole46 claims
- Eliquis41 claims
- Hydroxyurea34 claims
- Acyclovir32 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $197.06
5 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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
- Medstar Medical Group II LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mayer Gorbaty among 224 medical oncology physician records in Maryland
Mayer Gorbaty, M.D. is one of 224 medical oncology physician records with a practice address in Maryland. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 53% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1980 · median 2000 among the 128 with a school on file
- Record last updated2015 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Maryland
There are 224 medical oncology physician records in Maryland.
All 224 in Maryland → Every provider in Randallstown → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Mohit Narang, M.D.Owing Mills, MD 211171881695351
- Deborah Armstrong, M.D.Lutherville, MD 210931437113255
- Ross Donehower, M.D.Lutherville, MD 210931780631713
- David Ettinger, M.D.Lutherville, MD 210931720016777
- John Fetting, M.D.Lutherville, MD 210931013947126
- Robert Miller, M.D.Lutherville, MD 210931689609075
- William Sharfman, M.D.Lutherville, MD 210931760413652
- Antonio Wolff, M.D.Lutherville, MD 210931861420291
Common questions
What is Mayer Gorbaty, M.D.'s NPI number?
Mayer Gorbaty, M.D.'s National Provider Identifier (NPI) is 1710083241, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mayer Gorbaty, M.D. located?
The NPPES record lists a practice address at 5401 Old Court Road, Randallstown, MD, 21133. Phone: (410) 701-4466. Providers update this record themselves, so call before visiting.
How can I verify Mayer Gorbaty, M.D.'s license?
NPPES lists Maryland license number D0027938, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mayer Gorbaty, M.D. prescribe under Medicare Part D?
In 2024, Mayer Gorbaty, M.D. had 864 Medicare Part D claims for 163 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Mayer Gorbaty, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.6 of 100, reported for the practice group. 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.