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

Brian L Shaffer, MD

Individual provider Internal Medicine Physician · NPI 1447247689

Brian L Shaffer, MD is an Internal Medicine in Lawrenceville, New Jersey. Qualified in 1985, 41 years ago. Accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
41
Licensed in
NJ
In the registry since
2005
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

133 Franklin Corner Rd 2nd Fl
Lawrenceville, NJ 08648-2531
Phone: (609) 436-5900
Fax: (609) 452-0222
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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 25MA05504600 (NJ)

Record details

NPI number1447247689
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2005
Last updated in NPPESApril 2, 2015
Mailing address133 Franklin Corner Rd, 2nd Fl, Lawrenceville, NJ 08648-2531

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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