Mazen Tolaymat
NPI 1902291594 · Gastroenterology Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mazen Tolaymat is a Gastroenterology Physician provider in Allentown, PA (NPI 1902291594).
Provider details
- NPI number
- 1902291594
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
648 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 107 | $86 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 91 | $75 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $86 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 81 | $124 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 65 | $119 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 167 | 48 |
| Pantoprazole Sodium | 95 | 24 |
| Famotidine | 54 | 13 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 32 | 27 |
| Linaclotidebrand: Linzess | 26 | — |
| Dicyclomine Hcl | 19 | — |
| Colestipol Hcl | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,289 across 53 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 672 S River St Ste 101Plains, PA 18705-1033Phone: (570) 552-7170Fax: (570) 552-7169
Registry dates
- Enumerated
- 2015-04-01
- Last updated
- 2025-04-15
- Certified
- 2025-04-15
Frequently asked questions
- What is Mazen Tolaymat's NPI number?
- Mazen Tolaymat's National Provider Identifier (NPI) is 1902291594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mazen Tolaymat's specialty?
- Mazen Tolaymat is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mazen Tolaymat located?
- Mazen Tolaymat's practice location on file with NPPES is 1501 N Cedar Crest Blvd Ste 110, Allentown, PA 18104-2309.
- What is Mazen Tolaymat's phone number?
- The practice phone number listed in the NPPES registry for Mazen Tolaymat is (610) 821-2828.
- Does Mazen Tolaymat accept Medicare?
- Mazen Tolaymat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mazen Tolaymat's NPI active?
- Yes — Mazen Tolaymat's NPI (1902291594) is active in the NPPES registry as of the last update on 2025-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.