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

Dr. Subramanian Gnanaguruparan, MD

Individual provider Internal Medicine Physician · NPI 1396058533

Dr. Subramanian Gnanaguruparan, MD is an Internal Medicine in Newark, Delaware. Qualified in 1995, 31 years ago. Practices with Christiana Care Health Initiatives, a 31-clinician group and accepts Medicare assignment. Licensed in Delaware, New Jersey and New York.

Years since qualifying
31
Licensed in
DE, NJ, NY
In the registry since
2010
Specialties on file
4
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

620 Stanton Christiana Rd Ste 203
Newark, DE 19713-2130
Phone: (302) 338-9444
Fax: (302) 994-9449
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence C1-0010444 (DE)
Internal Medicine Physician Taxonomy 207R00000X · Licence 284558 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence C1-0010444 (DE)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (NJ)

Record details

NPI number1396058533
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 16, 2010
Last updated in NPPESOctober 6, 2021
Certification dateOctober 6, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Christiana Care Health Initiatives — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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