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

Individual provider Internal Medicine Physician · NPI 1265495980

Tomasz K Grochowalski, MD is an Internal Medicine in South Amboy, New Jersey. Qualified in 1981, 45 years ago. Practices with Hackensack Meridian Health Medical Group - Specialty Care PC, a 1,897-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
45
Licensed in
NJ
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

2045 State Route 35 Ste 202
South Amboy, NJ 08879-2069
Phone: (732) 721-5511
Fax: (732) 721-2007
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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 MA065561 (NJ)

Record details

NPI number1265495980
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Hackensack Meridian Health Medical Group - Specialty Care Pc — 1897 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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