LYDIA USHA M.D.
NPI 1336109693
Internal Medicine - Medical Oncology in Chicago, IL

Q: What is Lydia Usha's NPI number?

The NPI number for Lydia Usha is 1336109693. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Q: What is Lydia Usha's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Lydia Usha was last updated on April 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since March 23, 2006PECOS EnrolledAccepts Medicare Assignment

1725 W HARRISON ST, SUITE 1010, CHICAGO, IL 60612(312) 942-5904 Get Directions Write a Review

NPPES record last updated: April 14, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Lydia Usha M.d. NPPES

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

LYDIA USHA M.D. (NPI 1336109693) is an individual medical oncology provider in Chicago, Illinois, licensed in Illinois (036-096422) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1336109693

Entity TypeIndividualFemale

Primary Taxonomy207RX0202X

Provider Legal NameLYDIA USHACredential: M.D.

Location Address1725 W HARRISON ST, SUITE 1010Chicago, IL 60612-3841

Mailing Address1725 W Harrison St, Suite 1010Chicago, IL 60612-3841 · (312) 942-5904

Phone(312) 942-5904

Sole ProprietorNo

Medical School CMSOtherGraduated 1982

Enumeration DateMarch 23, 2006

Last NPPES UpdateApril 14, 2011

✔ NPI 1336109693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in IL · 036-096422

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

1725 W HARRISON ST, Chicago, IL 60612

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Other Identifiers 2

Medicare ID-Type UnspecifiedL90031IL

Medicare UPINH54149IL

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

Lydia Usha M.d. 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 ID1658418207

PECOS Enrollment IDI20091030000115

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 Lydia Usha reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush University Medical Group

0.2 mi

Internal Medicine

1620 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
2,169 clinicians in this Medicare group

NPI 1093819542 (312) 942-5000

Rush Medical Group

0.2 mi

Internal Medicine

1620 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
548 clinicians in this Medicare group

NPI 1467312850 (312) 942-5000

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 4

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

146 services45 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

27 services20 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.

16 services16 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.

15 services15 patients

Hospital Affiliations CMS Care Compare

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

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 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

$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.

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.

DR. MARTA BATUS MD

Internal Medicine (Medical Oncology)

1725 W HARRISON ST, SUITE 809
CHICAGO, IL 60612

Cook County (312) 563-2487

KM WILLIAMS MD SC

Clinic/Center (Ophthalmologic Surgery)

1725 W HARRISON ST, STE 910
CHICAGO, IL 60612

Cook County (312) 622-7320

KENNETH M BOYER M.D.

Pediatrics (Pediatric Infectious Diseases)

1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612

Cook County (312) 942-3034

RUSH UNIVERSITY MEDICAL CENTER

Internal Medicine (Hematology)

1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612

Cook County (312) 942-5904

DAVID ANSELL M.D.

Internal Medicine

1725 W HARRISON ST, SUITE 263
CHICAGO, IL 60612

Cook County (312) 942-6700

MIDWEST NEUROPSYCHIATRIC ASSOC LTD

Specialist

1725 W HARRISON ST, SUITE 744
CHICAGO, IL 60612

Cook County (312) 942-0118

JANICE DIESCHBOURG M.D.

Radiology (Diagnostic Radiology)

1725 W HARRISON ST, SUITE 155
CHICAGO, IL 60612

Cook County (312) 563-3269

AFFILIATED UROLOGISTS, LTD

Specialist

1725 W HARRISON ST, SUITE 762
CHICAGO, IL 60612

Cook County (312) 563-3447

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 Lydia Usha's NPI number?

The NPI number for Lydia Usha is 1336109693. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Lydia Usha located?

Lydia Usha practices at 1725 W Harrison St Suite 1010, Chicago, IL 60612. The listed phone number is (312) 942-5904.

What is Lydia Usha's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Lydia Usha enrolled in Medicare?

Yes. Lydia Usha 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 Lydia Usha's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Usha reassigns Medicare benefits to 2 organizations: Rush University Medical Group (Chicago, IL) and Rush Medical Group (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 Lydia Usha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lydia Usha accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Lydia Usha 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 Lydia Usha affiliated with any hospitals?

According to CMS data, Lydia Usha is affiliated with Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Lydia Usha was last updated on April 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.