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

Dr. Adam Nathan Hertlein, MD

Individual provider Internal Medicine Physician · NPI 1114183878

Dr. Adam Nathan Hertlein, MD is an Internal Medicine in Philadelphia, Pennsylvania. Graduated from Pennsylvania State University College of Medicine in 2008, 18 years ago. Practices with The Milton S Hershey Medical Center Physicians Group, a 1,595-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Ohio and Pennsylvania.

Years since qualifying
18
Trained at
Pennsylvania State University College of Medicine
Licensed in
OH, PA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

333 Cottman Ave
Philadelphia, PA 19111
Phone: (215) 728-2844
Fax: (215) 214-1425
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 4881 Sugar Maple Dr, Wright Patterson Afb, OH 45433-5546 — (937) 257-9926
  • 4881 Sugar Maple Dr, Wright Patterson Afb, OH 45433-5546 — (937) 257-9926
  • 333 Cottman Ave, Philadelphia, PA 19111 — (215) 728-2844

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD462425 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 57.014546 (OH)

Record details

NPI number1114183878
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2008
Last updated in NPPESNovember 7, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice The Milton S Hershey Medical Center Physicians Group — 1595 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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