Margaret Trexler Hessen, MD
Infectious Disease Physician · Bryn Mawr, PA
Margaret Trexler Hessen, MD is an infectious disease physician with a practice address in Bryn Mawr, Pennsylvania, and NPI 1609273119, issued on Nov 26, 2014. Check the license (Pennsylvania MD029696E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret Trexler Hessen
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- MD029696E PA
Self-reported in NPPES; status is on the state search - Practice location
- 3940 Darby RD, Bryn Mawr, PA 19010
- Phone
- (610) 525-3151
- Enumerated
- Nov 26, 2014
- Record last updated
- Nov 26, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Margaret Trexler Hessen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD029696ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Infectious Disease Physician providers in Pennsylvania
There are 545 infectious disease physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other infectious disease physician records in Pennsylvania
- Cybele Abad, M.D.Pittsburgh, PA1619900453
- Rasha Abdulmassih, MDPittsburgh, PA1891073706
- David Abel, D.O.Lancaster, PA1629362850
- Nana AburjaniaPhiladelphia, PA1053540955
- Amesh Adalja, MDPittsburgh, PA1023209871
- Monica Ahuja, MDWilkes Barre, PA1982030524
- Nancy Aitcheson, MDPhiladelphia, PA1184019697
- Okan Akay, M.D.Harrisburg, PA1548503584
- Aisha Akhtar, MDEast Norriton, PA1861020430
- Shafinaz Akhter, MDWest Chester, PA1710040431
Common questions
What is Margaret Trexler Hessen, MD's NPI number?
Margaret Trexler Hessen, MD's National Provider Identifier (NPI) is 1609273119, issued on Nov 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Trexler Hessen, MD located?
The NPPES record lists a practice address at 3940 Darby RD, Bryn Mawr, PA, 19010. Phone: (610) 525-3151. Providers update this record themselves, so call before visiting.
How can I verify Margaret Trexler Hessen, MD's license?
NPPES lists Pennsylvania license number MD029696E, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.