DR. GRANT D. BARISH M.D.
NPI 1265526073
Internal Medicine - Endocrinology, Diabetes & Metabolism in Chicago, IL

Q: What is Grant Barish's NPI number?

The NPI number for Grant Barish is 1265526073. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Q: What is Grant Barish's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Grant Barish was last updated on April 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

675 N SAINT CLAIR ST, GALTER PAVILLION, 14TH FLOOR, CHICAGO, IL 60611(312) 695-7970 Get Directions Write a Review

NPPES record last updated: April 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Grant D. Barish M.d. NPPES

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

DR. GRANT D. BARISH M.D. (NPI 1265526073) is an individual endocrinology, diabetes & metabolism provider in Chicago, Illinois, licensed in Illinois (036.130667) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of University Of Michigan Medical School (2000).

NPPES Registry Identity

NPI1265526073

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameDR. GRANT D. BARISHCredential: M.D.

Location Address675 N SAINT CLAIR ST, GALTER PAVILLION, 14TH FLOORChicago, IL 60611-5975

Mailing Address676 N Saint Clair St Ste 701Chicago, IL 60611-2996 · (312) 695-7970 · Fax (312) 695-4433

Phone(312) 695-7970

Sole ProprietorYes

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2000

Enumeration DateOctober 3, 2006

Last NPPES UpdateApril 4, 2026

NPPES CertifiedApril 4, 2026

✔ NPI 1265526073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

Licenses✔ Licensed in IL · 036.130667✔ Licensed in CA · A77609

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

675 N SAINT CLAIR ST, Chicago, IL 60611

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Grant D. Barish M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507165677

PECOS Enrollment IDI20160425001965

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

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.

TAYLOR MARIE HOGAN WINTERHALER AGACNP-BC

Nurse Practitioner (Acute Care)

675 N SAINT CLAIR ST
CHICAGO, IL 60611

Cook County (206) 883-7722

SHARON A ALLEN APRN

Nurse Practitioner (Adult Health)

675 N SAINT CLAIR ST, 21-100
CHICAGO, IL 60611

Cook County (312) 695-0316

HERON RODRIGUEZ MD

Surgery (Vascular Surgery)

675 N SAINT CLAIR ST, NORTHWESTERN MEMORIAL HOSPIALT GALTER 19-100
CHICAGO, IL 60611

Cook County (312) 695-2714

DR. DARREN MICHAEL BRENNER M.D.

Internal Medicine (Gastroenterology)

675 N SAINT CLAIR ST, SUITE 17-250
CHICAGO, IL 60611

Cook County (312) 695-5620

DR. ABDUL AZIZ AADAM M.D.

Internal Medicine (Gastroenterology)

675 N SAINT CLAIR ST, GASTROENTEROLOGY - SUITE 1400
CHICAGO, IL 60611

Cook County (312) 926-2000

JAN ELMAN STOUT PSYD

Psychologist (Clinical)

675 N SAINT CLAIR ST, SUITE 14-200
CHICAGO, IL 60611

Cook County (312) 695-7269

EMILY ELIZABETH HANDLEY OTD, OTR/L

Occupational Therapist

675 N SAINT CLAIR ST
CHICAGO, IL 60611

Cook County (815) 919-1791

SEEMA SINGHAL MD

Internal Medicine (Hematology)

675 N SAINT CLAIR ST, GALTER 21-100
CHICAGO, IL 60611

Cook County (312) 695-0990

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 Grant Barish's NPI number?

The NPI number for Grant Barish is 1265526073. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Grant Barish located?

Grant Barish practices at 675 N Saint Clair St Galter Pavillion, 14th Floor, Chicago, IL 60611. The listed phone number is (312) 695-7970.

What is Grant Barish's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Grant Barish enrolled in Medicare?

Yes. Grant Barish is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Grant Barish affiliated with any hospitals?

According to CMS data, Grant Barish is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Grant Barish was last updated on April 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.