DR. NISHA CAROLINE HOWARTH
NPI 1437996600
Internal Medicine - Gastroenterology in Chicago, IL

Q: What is Nisha Howarth's NPI number?

The NPI number for Nisha Howarth is 1437996600. It was assigned to this individual provider in the NPPES registry on July 13, 2024.

Q: What is Nisha Howarth's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Nisha Howarth was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 July 13, 2024PECOS EnrolledAccepts Medicare Assignment

5841 S. MARYLAND AVE MAIL CODE 4076, CHICAGO, IL 60637(773) 795-1824(773) 702-2182 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 10, 2025, Jul 13, 2024 (2 updates tracked since 2024).

On this page

About Dr. Nisha Caroline Howarth NPPES

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

DR. NISHA CAROLINE HOWARTH (NPI 1437996600) is an individual gastroenterology provider in Chicago, Illinois, licensed in Illinois (036.175779) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1437996600

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDR. NISHA CAROLINE HOWARTH

Location Address5841 S. MARYLAND AVE MAIL CODE 4076Chicago, IL 60637

Mailing Address180 Harvester Dr. Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150

Phone(773) 795-1824

Fax(773) 702-2182

Sole ProprietorYes

Medical School CMSOtherGraduated 2019

Enumeration DateJuly 13, 2024

Last NPPES UpdateAugust 18, 20252 updates tracked since enumeration

NPPES CertifiedAugust 18, 2025

✔ NPI 1437996600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in IL · 036.175779

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal Medicine · Transplant HepatologyTaxonomy 207RT0003X · License 036.175779 (IL)

5841 S. MARYLAND AVE MAIL CODE 4076, Chicago, IL 60637

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Dr. Nisha Caroline Howarth 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 ID4183152960

PECOS Enrollment IDI20250929003580

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 Reassignments

Medicare enrollment records show Nisha Howarth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center

Same address

General Acute Care Hospital

5841 S MARYLAND AVE
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
1,905 clinicians in this Medicare group

NPI 1033218128 (773) 702-1530

University Of Chicago

Same address

Multi-Specialty

5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
2,237 clinicians in this Medicare group

NPI 1821048786 (773) 702-9200

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

Hospital Affiliations CMS Care Compare

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

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140088

Location5841 South MarylandChicago, IL 60637 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 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.

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 Nisha Howarth's NPI number?

The NPI number for Nisha Howarth is 1437996600. It was assigned to this individual provider in the NPPES registry on July 13, 2024.

Where is Nisha Howarth located?

Nisha Howarth practices at 5841 S. Maryland Ave Mail Code 4076, Chicago, IL 60637. The listed phone number is (773) 795-1824.

What is Nisha Howarth's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Nisha Howarth enrolled in Medicare?

Yes. Nisha Howarth 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 organizations bill Medicare for Nisha Howarth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nisha Howarth reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). Each 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 Nisha Howarth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nisha Howarth accept?

Health plans from Oscar Health list Nisha Howarth 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 Nisha Howarth affiliated with any hospitals?

According to CMS data, Nisha Howarth is affiliated with The University Of Chicago Medical Center.

When was this NPI record last updated?

The NPPES record for Nisha Howarth was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.