Mahmoud Bayoumi, M.D., M.P.H.
NPI 1023541109 · Gastroenterology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahmoud Bayoumi, M.D., M.P.H. is a Gastroenterology Physician provider in Knoxville, TN (NPI 1023541109).
Provider details
- NPI number
- 1023541109
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H.
- Sex
- Male
- Sole proprietor
- No
- License
- 61454 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
260 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 Large Bowel Using a Flexible Endoscope45380 | 50 | $48 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 48 | $203 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 41 | $123 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 38 | $82 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 33 | $160 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 80 | 39 |
| Peg3350/Sod Sul/Nacl/Kcl/Asb/Cbrand: Peg3350-Sod Sul-Nacl-Kcl-Asb-C | 32 | 28 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 18 | 18 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 17 | 14 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 15 | 15 |
| Pantoprazole Sodium | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$839 across 37 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
Registry dates
- Enumerated
- 2017-04-06
- Last updated
- 2023-07-11
- Certified
- 2023-07-11
Frequently asked questions
- What is Mahmoud Bayoumi's NPI number?
- Mahmoud Bayoumi's National Provider Identifier (NPI) is 1023541109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahmoud Bayoumi's specialty?
- Mahmoud Bayoumi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mahmoud Bayoumi located?
- Mahmoud Bayoumi's practice location on file with NPPES is 1930 Alcoa Hwy Ste A145, Knoxville, TN 37920-1500.
- What is Mahmoud Bayoumi's phone number?
- The practice phone number listed in the NPPES registry for Mahmoud Bayoumi is (865) 305-6570.
- Does Mahmoud Bayoumi accept Medicare?
- Mahmoud Bayoumi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahmoud Bayoumi's NPI active?
- Yes — Mahmoud Bayoumi's NPI (1023541109) is active in the NPPES registry as of the last update on 2023-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.