Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ISABELLE LOUISE ROSTAIN M.D.
NPI 1235471376
Internal Medicine in Philadelphia, PA

Active since March 26, 2013
3900 WOODLAND AVE, PHILADELPHIA, PA 19104(215) 823-5800 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 21, 2026, Nov 9, 2016 (2 updates tracked since 2016).

About Isabelle Louise Rostain M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ISABELLE LOUISE ROSTAIN M.D. (NPI 1235471376) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Washington (MD60589229) and active in the NPI registry since March 2013.

NPPES Registry Identity

NPI1235471376
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameISABELLE LOUISE ROSTAINCredential: M.D.
Location Address3900 WOODLAND AVEPhiladelphia, PA 19104-4551
Mailing Address3900 Woodland AvePhiladelphia, PA 19104-4551 · (215) 823-5800
Sole ProprietorNo
Enumeration DateMarch 26, 2013
Last NPPES UpdateSeptember 21, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2026
✔ NPI 1235471376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · MD60589229
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3900 WOODLAND AVE, Philadelphia, PA 19104

Other Identifiers 1

Medicaid1235471376WA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
3900 WOODLAND AVE, PADRECC, #127
PHILADELPHIA, PA 19104
Social Worker (Clinical)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Counselor (Addiction (Substance Use Disorder))
3900 WOODLAND AVE, ADDICTION RECOVERY UNIT 7TH FLOOR
PHILADELPHIA, PA 19104
Dietitian, Registered (Nutrition, Gerontological)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Nurse Practitioner (Acute Care)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Pharmacist (Pharmacotherapy)
3900 WOODLAND AVE, PHARMACY SERVICE #119
PHILADELPHIA, PA 19104
Physical Therapist
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Internal Medicine
3900 WOODLAND AVE
PHILADELPHIA, PA 19104

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isabelle Rostain's NPI number?

The NPI number for Isabelle Rostain is 1235471376. It was assigned to this individual provider in the NPPES registry on March 26, 2013.

Where is Isabelle Rostain located?

Isabelle Rostain practices at 3900 Woodland Ave, Philadelphia, PA 19104. The listed phone number is (215) 823-5800.

What is Isabelle Rostain's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Isabelle Rostain was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.