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ALLISON ELIZABETH GRUBBS MD
NPI 1962866913
Obstetrics & Gynecology - Gynecologic Oncology in Chicago, IL

Active since April 06, 2016PECOS EnrolledAccepts Medicare Assignment
250 E SUPERIOR ST DEPT OBGYN, SUITE 5-2177, CHICAGO, IL 60611(312) 472-4673(312) 472-4687 Get Directions Write a Review

NPPES record last updated: August 1, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Allison Elizabeth Grubbs Md NPPES

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

ALLISON ELIZABETH GRUBBS MD (NPI 1962866913) is an individual gynecologic oncology provider in Chicago, Illinois, licensed in Illinois (036152844) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Copley Memorial Hospital, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2016).

NPPES Registry Identity

NPI1962866913
Entity TypeIndividualFemale
Primary Taxonomy207VX0201X
Provider Legal NameALLISON ELIZABETH GRUBBSCredential: MD
Location Address250 E SUPERIOR ST DEPT OBGYN, SUITE 5-2177Chicago, IL 60611-2914
Mailing Address250 E Superior St Dept Obgyn, Suite 5-2177Chicago, IL 60611-2914 · (312) 472-4673 · Fax (312) 472-4687
Phone(312) 472-4673
Fax(312) 472-4687
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2016
Enumeration DateApril 6, 2016
Last NPPES UpdateAugust 1, 2023
NPPES CertifiedAugust 1, 2023
✔ NPI 1962866913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License✔ Licensed in IL · 036152844
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
250 E SUPERIOR ST DEPT OBGYN, Chicago, IL 60611
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Allison Elizabeth Grubbs 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 ID8628362985
PECOS Enrollment IDI20231010003482
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.

Medicare Billing Reassignment

Medicare enrollment records show Allison Grubbs reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rush University Medical Center
2.3 mi
Internal Medicine
1411 S MICHIGAN AVE
Chicago, IL 60605
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 clinicians in this Medicare group
NPI 1689165540 (312) 563-0654

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.
46 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
28 services20 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services15 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
15 services12 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Copley Memorial Hospital

Acute Care Hospitals · Aurora, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140029
Location2000 Ogden AvenueAurora, IL 60504 · Kane County
Emergency services Birthing friendly

Rush Oak Park Hospital

Acute Care Hospitals · Oak Park, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140063
Location520 S Maple AveOak Park, IL 60304 · Cook County
Emergency services

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
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.

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 Allison Grubbs's NPI number?

The NPI number for Allison Grubbs is 1962866913. It was assigned to this individual provider in the NPPES registry on April 6, 2016.

Where is Allison Grubbs located?

Allison Grubbs practices at 250 E Superior St Dept Obgyn Suite 5-2177, Chicago, IL 60611. The listed phone number is (312) 472-4673.

What is Allison Grubbs's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Allison Grubbs enrolled in Medicare?

Yes. Allison Grubbs 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.

Which organization bills Medicare for Allison Grubbs's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Grubbs reassigns Medicare benefits to Rush University Medical Center (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allison Grubbs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allison Grubbs accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Allison Grubbs as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Allison Grubbs affiliated with any hospitals?

According to CMS data, Allison Grubbs is affiliated with Copley Memorial Hospital, Rush Oak Park Hospital and Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Allison Grubbs was last updated on August 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.