Mazen Tolaymat
Gastroenterology Physician · Allentown, PA
Mazen Tolaymat is a gastroenterology physician with a practice address in Allentown, Pennsylvania, and NPI 1902291594, issued on Apr 1, 2015. Check the license (Pennsylvania MD477118, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mazen Tolaymat
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD477118 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1501 N Cedar Crest Blvd Ste 110, Allentown, PA 18104
- Phone
- (610) 821-2828
- Enumerated
- Apr 1, 2015
- Record last updated
- Apr 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20220707000957); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 1501 N Cedar Crest Blvd Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Allison, PAPhysician Assistant1164753810
- Cristina Angelo, MDGastroenterology Physician1972090058
- Michelle Asteak, PA-CMedical Physician Assistant1134648967
- Allison Baragona, M.D.Gastroenterology Physician1003259086
- Kassandra Blobe, CRNPFamily Nurse Practitioner1144091885
- Sarah Elrod, DOInternal Medicine Physician1679100762
Verify Mazen Tolaymat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD477118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average gastroenterology physician in 2024
553 Medicare Part D claims for 147 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Omeprazole167 claims
- Pantoprazole Sodium95 claims
- Famotidine54 claims
- Peg 3350-Electrolyte32 claims
- Linzess26 claims
- Dicyclomine Hcl19 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 MIPS final score for 2023 (Medicare payment program): 90.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,288.85
53 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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 2 group practices
- Lehigh Valley Physician GroupAllentown, PA
- Valley Health Partners Community Health CenterAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazen Tolaymat among 1,049 gastroenterology physician records in Pennsylvania
Mazen Tolaymat is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 85% of them.
- NPI issued2015 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2015 · median 2003 among the 769 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Pennsylvania
There are 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Allentown → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Anthony Auteri, MDAllentown, PA 181041689678500
- Lawrence Bardawil, MDAllentown, PA 181041306848411
- Charles Brooks, MDAllentown, PA 181041750373155
- Ronald Bross, MDAllentown, PA 181041386648202
- James Cornell, MDAllentown, PA 181041285637488
- Carl Dangelo, M.D.Allentown, PA 181041346246295
- Kyle Helwig, MDAllentown, PA 181041023012945
- Tanveer Imam, MDAllentown, PA 181041942209697
Common questions
What is Mazen Tolaymat's NPI number?
Mazen Tolaymat's National Provider Identifier (NPI) is 1902291594, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Tolaymat located?
The NPPES record lists a practice address at 1501 N Cedar Crest Blvd Ste 110, Allentown, PA, 18104. Phone: (610) 821-2828. Providers update this record themselves, so call before visiting.
How can I verify Mazen Tolaymat's license?
NPPES lists Pennsylvania license number MD477118, 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 Mazen Tolaymat prescribe under Medicare Part D?
In 2024, Mazen Tolaymat had 553 Medicare Part D claims for 147 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Mazen Tolaymat's MIPS final score?
The 2023 MIPS final score is 90.3 of 100. 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.