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

Individual provider Otolaryngology Physician · NPI 1902969157

Stephen Christopher Mass, MD is an Otolaryngology in Lansdale, Pennsylvania. Graduated from Duke University School of Medicine in 1994, 32 years ago. Practices with Otolaryngology Plastic Surgery Associates, PC, a 4-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
32
Trained at
Duke University School of Medicine
Licensed in
PA
In the registry since
2006
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

2100 N Broad St
Lansdale, PA 19446-1052
Phone: (215) 368-5290
Fax: (215) 368-4401
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence MD068010L (PA)

Record details

NPI number1902969157
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 19, 2006
Last updated in NPPESDecember 8, 2007
Mailing address2100 N Broad St, Lansdale, PA 19446-1052

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Otolaryngology Plastic Surgery Associates, Pc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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