Toan Nguyen, M.D.
Gastroenterology Physician · Bryn Mawr, PA
Toan Nguyen, M.D. is a gastroenterology physician with a practice address in Bryn Mawr, Pennsylvania, and NPI 1487685079, issued on Jul 5, 2006. Check the license (Pennsylvania MD428415, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Toan Nguyen
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD428415 PA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Old Lancaster RD, Bryn Mawr, PA 19010
- Phone
- (610) 527-3800
- Enumerated
- Jul 5, 2006
- Record last updated
- Apr 5, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (610) 527-0334
- Medicaid ID
- 1030956280001 PA
- Medicare enrollment
- Enrolled (PECOS I20060713000232); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 825 Old Lancaster RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jack Abboudi, M.D.Orthopaedic Hand Surgery Physician1790746162
- Robert Atkins, M.D.Gastroenterology Physician1023049400
- Kristina Bonesteel, CRNPNurse Practitioner1972969426
- Bartholomew Bono, MDInfectious Disease Physician1902865603
- Matthew Cahill, MDInternal Medicine Physician1528031325
- Carmen Carrero, PA-CSurgical Physician Assistant1619378619
Verify Toan Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD428415Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average gastroenterology physician in 2024
1,287 Medicare Part D claims for 313 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole277 claims
- Pantoprazole Sodium202 claims
- Famotidine191 claims
- Esomeprazole Magnesium71 claims
- Colestipol Hcl44 claims
- Creon36 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 practice group's MIPS final score for 2023 (Medicare payment program): 95.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,192.84
143 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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 one group practice
- Bryn Mawr Medical Specialists AssociationBryn Mawr, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Pennsylvania
There are 1,049 gastroenterology physician records in Pennsylvania.
Other gastroenterology physician records in Pennsylvania
- Ali Abbas, MDYork, PA1023343779
- Gebran Abboud, M.D.Johnstown, PA1518160373
- Heitham Abdul-Baki, M.D.Pittsburgh, PA1790978542
- Ahmed Abdulhamid, M.D.Hershey, PA1326592775
- Molham Abdulsamad, M.D.Port Matilda, PA1174836712
- Faten Aberra, MDPhiladelphia, PA1225042989
- Segun Abogunde, MDErie, PA1659302669
- Jeffrey Abrams, M.D.Phila, PA1174582076
- John Abramson, M.D.Wynnewood, PA1710953633
- Yvette Achuo-Egbe, MDPhiladelphia, PA1467801241
Common questions
What is Toan Nguyen, M.D.'s NPI number?
Toan Nguyen, M.D.'s National Provider Identifier (NPI) is 1487685079, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Toan Nguyen, M.D. located?
The NPPES record lists a practice address at 825 Old Lancaster RD, Bryn Mawr, PA, 19010. Phone: (610) 527-3800. Providers update this record themselves, so call before visiting.
How can I verify Toan Nguyen, M.D.'s license?
NPPES lists Pennsylvania license number MD428415, 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 Toan Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Toan Nguyen, M.D. had 1,287 Medicare Part D claims for 313 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Toan Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.8 of 100, reported for the practice group. 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.