Mariya H. Apostolova, MD
Hematology & Oncology Physician · Butler, PA
Mariya H. Apostolova, MD is a hematology & oncology physician with a practice address in Butler, Pennsylvania, and NPI 1649408477, issued on Jul 1, 2009. Check the license (Pennsylvania MD450431, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mariya H. Apostolova
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD450431 PA
Self-reported in NPPES; status is on the state search - Practice location
- 160 Hollywood Dr FL 2, Butler, PA 16001
- Phone
- (724) 282-6175
- Enumerated
- Jul 1, 2009
- Record last updated
- Oct 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240304001821); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Also registered at 160 Hollywood Dr FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andreal Gray, PAPhysician Assistant1770866238
- Bushra Haq, MDHematology & Oncology Physician1780827857
- Allen Jones, CRNPNurse Practitioner1184626566
- Neeta Pathe, MDHematology & Oncology Physician1922384049
- Sigurdur Petursson, MDHematology & Oncology Physician1467454983
Verify Mariya H. Apostolova in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD450431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average hematology & oncology physician in 2024
875 Medicare Part D claims for 297 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 43 claims were for opioids.
Most prescribed
- Anastrozole93 claims
- Prednisone43 claims
- Acyclovir41 claims
- Dexamethasone36 claims
- Letrozole34 claims
- Ondansetron Hcl32 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): 85.6 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: $195.14
8 payments; by number, the most common kind was food and beverage; 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital affiliations
- Cleveland ClinicAkron, OH · Acute Care Hospitals4 of 5 stars
- Reynolds Memorial Hospital, IncGlen Dale, WV · Acute Care Hospitals2 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.
Mariya H. Apostolova among 784 hematology & oncology physician records in Pennsylvania
Mariya H. Apostolova, MD 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2009 · median 2004 among the 553 with a school on file
- Record last updated2020 · 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 Butler → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Rushir Choksi, MDButler, PA 160011851553663
- Dennis Dobrzynski, MDButler, PA 160011942223144
- Bushra Haq, MDButler, PA 160011780827857
- Katherine Miller, DOButler, PA 160011942654561
- Neeta Pathe, MDButler, PA 160011922384049
- Sigurdur Petursson, MDButler, PA 160011467454983
- Richard White, DOButler, PA 160011811429137
- Melissa CyrLyndora, PA 160451780686212
Common questions
What is Mariya H. Apostolova, MD's NPI number?
Mariya H. Apostolova, MD's National Provider Identifier (NPI) is 1649408477, issued on Jul 1, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mariya H. Apostolova, MD located?
The NPPES record lists a practice address at 160 Hollywood Dr FL 2, Butler, PA, 16001. Phone: (724) 282-6175. Providers update this record themselves, so call before visiting.
How can I verify Mariya H. Apostolova, MD's license?
NPPES lists Pennsylvania license number MD450431, 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 Mariya H. Apostolova, MD prescribe under Medicare Part D?
In 2024, Mariya H. Apostolova, MD had 875 Medicare Part D claims for 297 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Mariya H. Apostolova, MD's MIPS final score?
The 2023 MIPS final score is 85.6 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.