NPPES file of Aug 9, 2026

David Gregory Mayernik, M.D.

Hematology & Oncology Physician · Monroeville, PA

David Gregory Mayernik, M.D. is a hematology & oncology physician with a practice address in Monroeville, Pennsylvania, and NPI 1083671846, issued on Apr 27, 2006. Check the license (Pennsylvania MD020910E, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1083671846
Name
David Gregory Mayernik
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
MD020910E PA
75267 AZ
Self-reported in NPPES; status is on the state search
Practice location
2626 Haymaker RD FL 2, Monroeville, PA 15146
Phone
(412) 373-4411
Enumerated
Apr 27, 2006
Record last updated
Jul 5, 2026
Fax
(412) 373-4677
Medicaid ID
0009785120010 PA
Medicare enrollment
Enrolled (PECOS I20040901000179); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1977
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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8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →

Also registered at 2626 Haymaker RD FL 2

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

  1. Niyati Asher, M.D.Hematology & Oncology Physician1669616199
  2. Avery DegruttolaNurse Practitioner1538036926
  3. Lisa Diperna, CRNPNurse Practitioner1790787166
  4. Kevin Jackson, CRNPFamily Nurse Practitioner1376263350
  5. Zachary Otaibi, DOHematology & Oncology Physician1326484262
  6. Emma Pevarnik, PAPhysician Assistant1427766856

Verify David Gregory Mayernik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD020910E    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 Pennsylvania license search

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45% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

478 Medicare Part D claims for 120 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. David Mayernik478
  2. Specialty average877

Most prescribed

  1. Hydroxyurea66 claims
  2. Prochlorperazine Maleate45 claims
  3. Lidocaine-Prilocaine30 claims
  4. Dexamethasone24 claims
  5. Imbruvica24 claims
  6. Xarelto23 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: $338.17

16 payments; by number, the most common kind was food and beverage; the largest payer was Sobi, 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. David Mayernik$338.17
  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 one group practice

  1. Dubois Regional Medical CenterDu Bois, PA

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

David Gregory Mayernik among 784 hematology & oncology physician records in Pennsylvania

David Gregory Mayernik, M.D. is one of 784 hematology & oncology physician records with a practice address in Pennsylvania. 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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1977 · median 2004 among the 553 with a school on file
  • Record last updated2026 · 60% 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 Pennsylvania 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 Pennsylvania

There are 784 hematology & oncology physician records in Pennsylvania.

All 784 in Pennsylvania → Every provider in Monroeville → Hematology & Oncology Physician nationwide →

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

  1. Faisal Akbar, M.D.Monroeville, PA 151461316222433
  2. Niyati Asher, M.D.Monroeville, PA 151461669616199
  3. Cynthia Evans, MDMonroeville, PA 151461912999145
  4. Venus Hadeed, M.D.Monroeville, PA 151461144291329
  5. Khanh Nguyen, MDMonroeville, PA 151461376867127
  6. Teresa Nolan, M.D.Monroeville, PA 151461457322075
  7. Zachary Otaibi, DOMonroeville, PA 151461326484262
  8. Kevin Kane, M.D.McKeesport, PA 151321952372864

Common questions

What is David Gregory Mayernik, M.D.'s NPI number?

David Gregory Mayernik, M.D.'s National Provider Identifier (NPI) is 1083671846, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Gregory Mayernik, M.D. located?

The NPPES record lists a practice address at 2626 Haymaker RD FL 2, Monroeville, PA, 15146. Phone: (412) 373-4411. Providers update this record themselves, so call before visiting.

How can I verify David Gregory Mayernik, M.D.'s license?

NPPES lists Pennsylvania license number MD020910E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Gregory Mayernik, M.D. prescribe under Medicare Part D?

In 2024, David Gregory Mayernik, M.D. had 478 Medicare Part D claims for 120 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.