1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Internal Medicine
  6. NPI Profile

DR. WALTER ANTON HOLLINGER MD
NPI 1750404968
Internal Medicine in Chicago, IL

Active since April 10, 2007PECOS Enrolled
355 E OHIO ST, #5101, CHICAGO, IL 60611(312) 952-4885 Get Directions Write a Review

NPPES record last updated: April 13, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Walter Anton Hollinger Md NPPES

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

DR. WALTER ANTON HOLLINGER MD (NPI 1750404968) is an individual internal medicine provider in Chicago, Illinois, licensed in Florida (ME65848) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750404968
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WALTER ANTON HOLLINGERCredential: MD
Location Address355 E OHIO ST, #5101Chicago, IL 60611-3470
Mailing Address31 Magnolia XingSavannah, GA 31411-1417 · (312) 653-5505
Phone(312) 952-4885
Sole ProprietorYes
Enumeration DateApril 10, 2007
Last NPPES UpdateApril 13, 2012
✔ NPI 1750404968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME65848
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.
355 E OHIO 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 (PECOS)

Dr. Walter Anton Hollinger Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Other Providers at the Same Location NPPES 2

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

MARGOT LASSAR LCSW
Social Worker (Clinical)
355 E OHIO ST, UNIT 1004
CHICAGO, IL 60611
Cook County (216) 849-6701
NORTHSHORE
General Acute Care Hospital
355 E OHIO ST
CHICAGO, IL 60611
Cook County (419) 343-1102

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 Walter Hollinger's NPI number?

The NPI number for Walter Hollinger is 1750404968. It was assigned to this individual provider in the NPPES registry on April 10, 2007.

Where is Walter Hollinger located?

Walter Hollinger practices at 355 E Ohio St #5101, Chicago, IL 60611. The listed phone number is (312) 952-4885.

What is Walter Hollinger's specialty?

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

Is Walter Hollinger enrolled in Medicare?

Yes. Walter Hollinger is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Walter Hollinger was last updated on April 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.