Mazen Tolaymat

  • Easton, PA
  • Gastroenterologist
NPI1902291594PAC ID1254630833
Medicare services, 2024
648
Medicare patients, 2024
367
Part D claims, 2024
553
Publications
4
MIPS score, 2024
89
Practice address
2401 Northampton St, Easton, PA 18045
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Nazareth Endoscopy Center, LLC - HOPD

Acute Care Hospital outpatient department · Easton, Pennsylvania

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Mazen Tolaymat is a gastroenterologist in Easton, Pennsylvania

Mazen Tolaymat practices at Nazareth Endoscopy Center, LLC - HOPD in Easton, Pennsylvania.

Mazen Tolaymat's NPI, 1902291594, was assigned on April 1, 2015. Mazen Tolaymat graduated from Drexel University College of Medicine in 2015. Mazen Tolaymat holds Pennsylvania license MD477118.

NPI and contact details
Medicare PAC ID
1254630833
NPI enumeration date
April 1, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mazen Tolaymat practices at Nazareth Endoscopy Center, LLC - HOPD in Easton, Pennsylvania

Mazen Tolaymat's primary practice is Nazareth Endoscopy Center, LLC - HOPD, at 2401 Northampton St, Easton, PA 18045.

  • Nazareth Endoscopy Center, LLC - HOPD
    2401 Northampton St, Easton, PA 18045

Source: Dmand AI Affiliation Data

Mazen Tolaymat is affiliated with 5 sites of care and 2 medical groups

Mazen Tolaymat's primary practice is Nazareth Endoscopy Center, LLC - HOPD in Easton, Pennsylvania. Mazen Tolaymat is also affiliated with Lehigh Valley Hospital-Cedar Crest. The medical group on file is Lehigh Valley Physician Group (LVPG). Dmand AI also links Mazen Tolaymat to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Mazen Tolaymat

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Mazen Tolaymat's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mazen Tolaymat practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Nazareth Endoscopy Center, LLC - HOPDAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Mazen Tolaymat is one of 899 gastroenterologists in Pennsylvania

Gastroenterology is Mazen Tolaymat's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Mazen Tolaymat is licensed in Pennsylvania.

Specialties and state licenses

  • Gastroenterology, PennsylvaniaPrimaryLicense MD477118 · taxonomy 207RG0100X

Gastroenterologists near Mazen Tolaymat

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

899gastroenterologists in Pennsylvania
9gastroenterologists in Easton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mazen Tolaymat billed Medicare for 648 services in 2024

CMS data shows 648 Medicare services from Mazen Tolaymat across 12 procedure codes in 2024, for 367 Medicare patients. Medicare paid $58,848 for them.

Medicare services, 2024648
Medicare patients367
Paid by Medicare$58,848
Procedure codes12

Mazen Tolaymat's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3472024: 3676%
Surgery
2023: 2302024: 25812%
Other services
2023: 232024: 23No change

Where Mazen Tolaymat's Medicare services took place, 2024

  • In an office17026%
  • In a facility47874%

Mazen Tolaymat compared with the Pennsylvania median for gastroenterologists, 2024

  • Mazen Tolaymat
  • Pennsylvania median
Medicare services
648vs 40162% above
Medicare patients
367vs 29425% above
Part D claims
417vs 37511% above

Medians across 899 gastroenterologists in Pennsylvania with Dmand AI profiles that report each measure.

Mazen Tolaymat's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Mazen Tolaymat

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Mazen Tolaymat treated 367 Medicare patients in 2024, average age 75

CMS counts 367 Medicare patients who saw Mazen Tolaymat in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mazen Tolaymat's median patient age at 62, with 59% women.

Medicare patients, 2024367
Average age75
Average risk score1.60
Also on Medicaid16%

Mazen Tolaymat's Medicare patients by age, 2024

Mazen Tolaymat's Medicare patients by sex, 2024

  • Women21458%
  • Men15342%

Chronic conditions among Mazen Tolaymat's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Ischemic heart disease45%
  5. Anxiety44%
  6. Diabetes36%
  7. Mood disorders33%
  8. Chronic kidney disease32%

Share of Medicare patients with each condition. A patient can have several.

Mazen Tolaymat's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mazen Tolaymat wrote 553 Medicare Part D claims in 2024

In 2024, Mazen Tolaymat wrote 553 Medicare Part D claims for 147 patients. 83% of them were for generic drugs. CMS names the drug for 417 of them, across 8 drugs with 11 or more claims each, at $24,132 in total drug cost. In 2023, CMS named 221 claims across 7 drugs.

Part D claims, 2024553
Drugs named by CMS8
Total drug cost$24,132
Part D patients147

Mazen Tolaymat's Part D claims by kind of drug, 2024

  • Generic461 claims83%
  • Brand-name92 claims17%

Mazen Tolaymat's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2212024: 41789%

Drugs named by CMS: 8 in 2024, 7 in 2023.

See all prescribing by Mazen Tolaymat

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Mazen Tolaymat scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Mazen Tolaymat for performance year 2024, reported through an alternative payment model (APM). Mazen Tolaymat accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mazen Tolaymat as offering telehealth. CMS counts 131 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Mazen Tolaymat, more than 82% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Mazen Tolaymat's MIPS scores, performance year 2024

  • 89of 100Final score
  • 78.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Mazen Tolaymat ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
82nd percentile131 procedures
Colonoscopy
77th percentile90 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Mazen Tolaymat has 4 publications on record

Dmand AI links 4 papers to Mazen Tolaymat, published from 2019 to 2021. 2021 was the busiest year, with 2. Mazen Tolaymat's most frequent co-authors are Jean-Pierre Raufman, MD, Guofeng Xie, MD and Shien Hu, MD.

Papers4
Years published2019 to 2021

Mazen Tolaymat's papers by year, 2019 to 2021

Mazen Tolaymat's most frequent co-authors

Recent publications by Mazen Tolaymat

See all 4 publications and co-authors

See who Mazen Tolaymat researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Mazen Tolaymat works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Mazen Tolaymat received $4,012 in industry payments from 2022 to 2025

CMS Open Payments shows 120 general payments to Mazen Tolaymat from 26 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 73% of the total. Phathom Pharmaceuticals, Inc. paid the most, $1,366.

General payments to Mazen Tolaymat by program year, 2022 to 2025

General payments to Mazen Tolaymat by kind, 2022 to 2025

$4Kin total
  • Food and beverage$2,93773%
  • Speaker and faculty fees$1,07527%

Companies that paid Mazen Tolaymat the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Mazen Tolaymat

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Mazen Tolaymat graduated from Drexel University College of Medicine

Mazen Tolaymat graduated from Drexel University College of Medicine in 2015.

  1. Medical schoolDrexel University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Mazen Tolaymat's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mazen Tolaymat

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mazen Tolaymat's NPI number?

Mazen Tolaymat's NPI number is 1902291594. It was assigned on April 1, 2015, and it is active in the NPI Registry.

What does Mazen Tolaymat specialize in?

Mazen Tolaymat is a gastroenterologist in Easton, Pennsylvania. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Mazen Tolaymat practice?

Mazen Tolaymat practices at 2401 Northampton St, Easton, PA 18045. Mazen Tolaymat's primary practice is Nazareth Endoscopy Center, LLC - HOPD in Easton, Pennsylvania. Dmand AI also links Mazen Tolaymat to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Mazen Tolaymat's medical license number?

Mazen Tolaymat holds Pennsylvania license MD477118.

Which hospitals is Mazen Tolaymat affiliated with?

Mazen Tolaymat is affiliated with Lehigh Valley Hospital-Cedar Crest. Dmand AI links Mazen Tolaymat to 1 more hospital.

What medical group is Mazen Tolaymat part of?

Mazen Tolaymat is linked to Lehigh Valley Physician Group (LVPG). Dmand AI links Mazen Tolaymat to 1 more medical group.

Does Mazen Tolaymat accept Medicare?

Yes. CMS data shows Mazen Tolaymat billed Medicare for 648 services in 2024, and Mazen Tolaymat accepts Medicare assignment.

Does Mazen Tolaymat offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Mazen Tolaymat as offering telehealth services.

What is Mazen Tolaymat's MIPS score?

Mazen Tolaymat's MIPS final score for performance year 2024 is 89 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Mazen Tolaymat see?

CMS counts 367 Medicare patients who saw Mazen Tolaymat in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

What services does Mazen Tolaymat bill to Medicare?

In 2024, Mazen Tolaymat's most billed Medicare services were surgery: digestive system (43239), hospital inpatient care (99232) and office visit, established patient (99213).

Where did Mazen Tolaymat go to medical school?

Mazen Tolaymat graduated from Drexel University College of Medicine in 2015.

What drugs does Mazen Tolaymat prescribe most?

In 2024 Medicare Part D data, Mazen Tolaymat's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.

Has Mazen Tolaymat received payments from drug or device companies?

CMS Open Payments shows $4,012 in general payments to Mazen Tolaymat from 26 companies from 2022 to 2025. The largest total came from Phathom Pharmaceuticals, Inc.

How long has Mazen Tolaymat been practicing?

Mazen Tolaymat graduated from medical school in 2015, 11 years ago.

Does Mazen Tolaymat do research?

Dmand AI links 4 publications to Mazen Tolaymat, published from 2019 to 2021.

Who does Mazen Tolaymat publish with?

Mazen Tolaymat's most frequent co-authors are Jean-Pierre Raufman, MD (3 shared papers), Guofeng Xie, MD (3 shared papers) and Shien Hu, MD (2 shared papers).

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