HEATHER ELIZABETH ALLEN MD
NPI 1083108955
Hospitalist in Chicago, IL

Active since June 14, 2018PECOS EnrolledAccepts Medicare Assignment
1901 W HARRISON ST, CHICAGO, IL 60612(312) 864-6000 Get Directions Write a Review

NPPES record last updated: December 20, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 20, 2022, Nov 2, 2022, Jun 14, 2018 (3 updates tracked since 2018).

About Heather Elizabeth Allen Md NPPES

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

HEATHER ELIZABETH ALLEN MD (NPI 1083108955) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036.158027) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1083108955
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameHEATHER ELIZABETH ALLENCredential: MD
Location Address1901 W HARRISON STChicago, IL 60612-3714
Mailing Address1901 W Harrison StChicago, IL 60612-3714 · (312) 864-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 14, 2018
Last NPPES UpdateDecember 20, 20223 updates tracked since enumeration
NPPES CertifiedDecember 20, 2022
NPI 1083108955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in IL · 036.158027
Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 125.072809 (IL)
1901 W HARRISON ST, Chicago, IL 60612

Other Names 1

Other Name (5)Heather Elizabeth Reish Md

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

Heather Elizabeth Allen Md 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 ID9638414840
PECOS Enrollment IDI20211208002592
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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
394 services127 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
46 services45 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
42 services40 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
22 services18 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
20 services20 patients

Hospital Affiliations CMS Care Compare 2

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

Loyola Gottlieb Memorial Hospital

Acute Care Hospitals · Melrose Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140008
Location701 West North AveMelrose Park, IL 60160 · Cook County
Emergency services

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

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
$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 20

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

Emergency Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Internal Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Obstetrics & Gynecology (Gynecology)
1901 W HARRISON ST
CHICAG, IL 60612
Internal Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Pharmacy (Clinic Pharmacy)
1901 W HARRISON ST
CHICAGO, IL 60612
Emergency Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Physician Assistant
1901 W HARRISON ST
CHICAGO, IL 60612
General Acute Care Hospital
1901 W HARRISON ST
CHICAGO, IL 60612

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 Heather Allen's NPI number?

The NPI number for Heather Allen is 1083108955. It was assigned to this individual provider in the NPPES registry on June 14, 2018. The provider is also known as Heather Elizabeth Reish MD.

Where is Heather Allen located?

Heather Allen practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-6000.

What is Heather Allen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Heather Allen enrolled in Medicare?

Yes. Heather Allen 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 Heather Allen affiliated with any hospitals?

According to CMS data, Heather Allen is affiliated with Loyola Gottlieb Memorial Hospital and Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Heather Allen was last updated on December 20, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.