Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

David L Irwin

Individual provider Internal Medicine Physician · NPI 1467987081

David L Irwin is an Internal Medicine in Bethlehem, Pennsylvania. Graduated from Lake Erie Col of Osteo Med at Seton Hill Univ in 2017, 9 years ago. Practices with St Lukes Physician Group Inc, a 2,127-clinician group and accepts Medicare assignment. Licensed in New York and Pennsylvania.

Years since qualifying
9
Trained at
Lake Erie Col of Osteo Med at Seton Hill Univ
Licensed in
NY, PA
In the registry since
2017
Specialties on file
3
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Practice location Address checks out

801 Ostrum St
Bethlehem, PA 18015-1000
Phone: (267) 614-7391
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OS022501 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 305964 (NY)
Hospitalist Physician Taxonomy 208M00000X · Licence 305964 (NY)

Record details

NPI number1467987081
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 21, 2017
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025
Mailing address801 Ostrum St, Bethlehem, PA 18015-1000

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolLAKE ERIE COL OF OSTEO MED AT SETON HILL UNIV
Graduated 2017 (9 years in practice)
Group practice St Lukes Physician Group Inc — 2127 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Bethlehem