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DR. ISAAC REISER M.D.
NPI 1811987019
Internal Medicine in Chicago, IL

Active since October 27, 2005
3960 N HARLEM AVE, CHICAGO, IL 60634(773) 625-7809(773) 625-7449 Get Directions Write a Review

NPPES record last updated: January 22, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Isaac Reiser M.d. NPPES

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

DR. ISAAC REISER M.D. (NPI 1811987019) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036036054) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1811987019
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ISAAC REISERCredential: M.D.
Location Address3960 N HARLEM AVEChicago, IL 60634-2219
Mailing Address940 Augusta Way, #107Highland Park, IL 60035 · (847) 432-3883 · Fax (847) 432-3883
Phone(773) 625-7809
Fax(773) 625-7449
Sole ProprietorNo
Enumeration DateOctober 27, 2005
Last NPPES UpdateJanuary 22, 2013
✔ NPI 1811987019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036036054
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.
3960 N HARLEM AVE, Chicago, IL 60634
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Other Providers at the Same Location NPPES 5

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

HKH ASSOCIATES SC
Internal Medicine (Cardiovascular Disease)
3960 N HARLEM AVE
CHICAGO, IL 60634
Cook County (773) 589-1008
GEORGE C KARABELAS MD SC
Internal Medicine
3960 N HARLEM AVE
CHICAGO, IL 60634
Cook County (773) 658-2300
DR. MOHAMMED HUSSAIN MD
Internal Medicine (Cardiovascular Disease)
3960 N HARLEM AVE
CHICAGO, IL 60634
Cook County (773) 589-1008
DR. HARALAMBOS HATZIDIMITRIADIS MD
Internal Medicine
3960 N HARLEM AVE
CHICAGO, IL 60634
Cook County (773) 658-2300
H DEMITRI MEDICAL SC
Internal Medicine
3960 N HARLEM AVE
CHICAGO, IL 60634
Cook County (773) 658-2300

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 Isaac Reiser's NPI number?

The NPI number for Isaac Reiser is 1811987019. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is Isaac Reiser located?

Isaac Reiser practices at 3960 N Harlem Ave, Chicago, IL 60634. The listed phone number is (773) 625-7809.

What is Isaac Reiser'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 Isaac Reiser was last updated on January 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.