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DR. MARILYN MAY HALLOCK M.D.
NPI 1336110691
Emergency Medicine in Chicago, IL

Active since January 26, 2006PECOS Enrolled
1653 W CONGRESS PKWY, 177 MURDOCK, CHICAGO, IL 60612(312) 942-6909 Get Directions Write a Review

NPPES record last updated: September 4, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Marilyn May Hallock M.d. NPPES

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

DR. MARILYN MAY HALLOCK M.D. (NPI 1336110691) is an individual emergency medicine provider in Chicago, Illinois, licensed in Washington (ML20008158) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336110691
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARILYN MAY HALLOCKCredential: M.D.
Location Address1653 W CONGRESS PKWY, 177 MURDOCKChicago, IL 60612-3833
Mailing Address8 W Monroe St Apt 1607Chicago, IL 60603-2451 · (206) 349-8897
Phone(312) 942-6909
Sole ProprietorNo
Enumeration DateJanuary 26, 2006
Last NPPES UpdateSeptember 4, 2007
✔ NPI 1336110691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WA · ML20008158
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1653 W CONGRESS PKWY, Chicago, IL 60612
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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. Marilyn May Hallock M.d. 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.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
265 services220 patients
Emergency department visit for life threatening or functioning severity 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
161 services157 patients
Emergency department visit for problem of high severity 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
123 services120 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
25 services24 patients
Emergency department visit for problem of moderate severity 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
22 services22 patients
Emergency department visit for problem of mild to moderate severity 99282
An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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 20

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

MRS. BETH NACHTSHEIM BOLICK RN CNP
Nurse Practitioner (Pediatrics, Critical Care)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 942-3646
DR. KOUSIKI PATRA MD
Pediatrics (Neonatal-Perinatal Medicine)
1653 W CONGRESS PKWY, MURDOCK 622
CHICAGO, IL 60612
Cook County (312) 942-6640
DR. KALLIOPI SIZIOPIKOU MD
Pathology (Anatomic Pathology & Clinical Pathology)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 942-5700
DR. ALEXANDER C TEMPLETON MD
Pathology (Anatomic Pathology & Clinical Pathology)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 942-5700
DR. ABBAS ZARIF MD
Specialist
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 942-5700
GALETA CAROLYN CLAYTON M.D.
Emergency Medicine
1653 W CONGRESS PKWY, SUITE 177
CHICAGO, IL 60612
Cook County (312) 942-8149
DINO PETER RUMORO D.O.
Emergency Medicine
1653 W CONGRESS PKWY, SUITE 177
CHICAGO, IL 60612
Cook County (312) 942-8149
YANINA PURIM SHEM TOV M.D.
Emergency Medicine
1653 W CONGRESS PKWY, SUITE 177
CHICAGO, IL 60612
Cook County (312) 942-8149

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 Marilyn Hallock's NPI number?

The NPI number for Marilyn Hallock is 1336110691. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Where is Marilyn Hallock located?

Marilyn Hallock practices at 1653 W Congress Pkwy 177 Murdock, Chicago, IL 60612. The listed phone number is (312) 942-6909.

What is Marilyn Hallock's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Marilyn Hallock enrolled in Medicare?

Yes. Marilyn Hallock is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marilyn Hallock was last updated on September 4, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.