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

Walter John Borowski, MD

Individual provider Internal Medicine Physician · NPI 1912090168

Walter John Borowski, MD is an Internal Medicine in Metuchen, New Jersey. Qualified in 1982, 44 years ago. Practices with Practice Associates Medical Group, a 1,403-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
44
Licensed in
NJ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

45 Pearl St
Metuchen, NJ 08840-1832
Phone: (732) 590-6115
Fax: (732) 590-6116
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA04361900 (NJ)

Record details

NPI number1912090168
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 2, 2006
Last updated in NPPESJuly 8, 2026
Certification dateJuly 8, 2026
Mailing address465 South St Ste 103, Morristown, NJ 07960-6442

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Practice Associates Medical Group — 1403 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Metuchen