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

Michael C Ruddy, MD

Individual provider Specialist · NPI 1831138015

Michael C Ruddy, MD is a Nephrology in Princeton Junction, New Jersey. Graduated from Rutgers New Jersey Medical School in 1974, 52 years ago. Practices with Princeton Hypertension-Nephrology Associates L L C, a 7-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
52
Trained at
Rutgers New Jersey Medical School
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

88 Princeton Hightstown Rd Ste 203
Princeton Junction, NJ 08550-1100
Phone: (609) 750-7330
Fax: (609) 750-7336
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence MA31313 (NJ)

Record details

NPI number1831138015
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESJuly 13, 2026
Mailing address88 Princeton Hightstown Rd, Suite 203, Princeton Junction, NJ 08550-1100

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 1974 (52 years in practice)
Group practice Princeton Hypertension-Nephrology Associates L L C — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Princeton Junction