Toan Nguyen, M.D.
NPI 1487685079 · Gastroenterology Physician · Bryn Mawr, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Toan Nguyen, M.D. is a Gastroenterology Physician provider in Bryn Mawr, PA (NPI 1487685079).
Provider details
- NPI number
- 1487685079
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD428415 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
908 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 146 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 140 | $93 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 111 | $247 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 109 | $79 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 105 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 277 | 90 |
| Pantoprazole Sodium | 202 | 62 |
| Famotidine | 191 | 52 |
| Esomeprazole Magnesium | 71 | 15 |
| Colestipol Hcl | 44 | 14 |
| Lipase/Protease/Amylasebrand: Creon | 36 | — |
| Lansoprazole | 34 | — |
| Mesalamine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,193 across 143 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
- 2006-07-05
- Last updated
- 2017-04-05
Frequently asked questions
- What is Toan Nguyen's NPI number?
- Toan Nguyen's National Provider Identifier (NPI) is 1487685079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Toan Nguyen's specialty?
- Toan Nguyen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Toan Nguyen located?
- Toan Nguyen's practice location on file with NPPES is 825 Old Lancaster Rd, Bryn Mawr, PA 19010-3231.
- What is Toan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Toan Nguyen is (610) 527-3800.
- Does Toan Nguyen accept Medicare?
- Toan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Toan Nguyen's NPI active?
- Yes — Toan Nguyen's NPI (1487685079) is active in the NPPES registry as of the last update on 2017-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.