YUSAF MUHAMMAD HUSSAIN DO
NPI 1538714456
Allergy & Immunology in Janesville, WI

Q: What is Yusaf Hussain's NPI number?

The NPI number for Yusaf Hussain is 1538714456. It was assigned to this individual provider in the NPPES registry on August 7, 2019.

Q: What is Yusaf Hussain's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Yusaf Hussain was last updated on April 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 August 07, 2019PECOS Enrolled

1000 MINERAL POINT AVE, JANESVILLE, WI 53548(608) 756-6000(608) 756-6289 Get Directions Write a Review

NPPES record last updated: April 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 12, 2024, Apr 4, 2024, Aug 7, 2019 (3 updates tracked since 2019).

On this page

About Yusaf Muhammad Hussain Do NPPES

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

YUSAF MUHAMMAD HUSSAIN DO (NPI 1538714456) is an individual allergy & immunology provider in Janesville, Wisconsin, licensed in Wisconsin (81667-21) and active in the NPI registry since August 2019. He is enrolled in Medicare PECOS, is affiliated with Mercy Walworth Hospital & Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1538714456

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameYUSAF MUHAMMAD HUSSAINCredential: DO

Location Address1000 MINERAL POINT AVEJanesville, WI 53548-2940

Mailing Address1694 W Grandview BlvdErie, PA 16509-1174 · (302) 279-0290

Phone(608) 756-6000

Fax(608) 756-6289

Sole ProprietorNo

Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2019

Enumeration DateAugust 7, 2019

Last NPPES UpdateApril 24, 20253 updates tracked since enumeration

NPPES CertifiedApril 24, 2025

✔ NPI 1538714456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in WI · 81667-21

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedInternal MedicineTaxonomy 207R00000X · License OT019671 (PA), OS19039 (FL), 81667-21 (WI)

1000 MINERAL POINT AVE, Janesville, WI 53548

Open in Google Maps ↗

Secondary Practice Locations 3

Location 15515 Peach StErie, PA 16509-2695 · Phone (814) 868-8217

Location 2N2950 State Road 67Lake Geneva, WI 53147-2655 · Phone (608) 314-2301 · Fax (262) 245-2370

Location 32825 Prairie AveBeloit, WI 53511-1844 · Phone (608) 363-5500 · Fax (608) 363-5539

Other Identifiers 1

MedicaidOT019671PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yusaf Muhammad Hussain Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1850775081

PECOS Enrollment IDI20240924003118, I20260331004442

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 Yusaf Hussain reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Health System Corporation

Same address

General Acute Care Hospital

1000 MINERAL POINT AVE
Janesville, WI 53548

Reassigned Medicare billing, Wisconsin enrollment
Also billed through NPI 1699728550 (Wisconsin)
1,155 clinicians in this Medicare group

NPI 1093768962 (608) 756-6000

Crescent Allergy Sc

94 mi

Allergy & Immunology

7600 W COLLEGE DR STE 3
Palos Heights, IL 60463

Reassigned Medicare billing, Illinois enrollment

NPI 1275483653 (708) 636-9611

Galen Inpatient Physicians PC

848 mi

Hospitalist

5151 N 9TH AVE
Pensacola, FL 32504

Reassigned Medicare billing, Florida enrollment
199 clinicians in this Medicare group

NPI 1205614336 (850) 416-7000

Eastside Hospitalists Inc

1,254 mi

Hospitalist

3501 JOHNSON ST
Hollywood, FL 33021

Reassigned Medicare billing, Florida enrollment
413 clinicians in this Medicare group

NPI 1285676957 (954) 265-2000

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 2

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.

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.

26 services26 patients

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.

23 services18 patients

Hospital Affiliations CMS Care Compare

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

Mercy Walworth Hospital & Medical Center

Critical Access Hospitals · Lake Geneva, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number521357

LocationN2950 State Road 67Lake Geneva, WI 53147 · Walworth County

Emergency services Birthing friendly

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.

BENJAMIN C. MILLER PMHNP

Nurse Practitioner (Psychiatric/Mental Health)

1000 MINERAL POINT AVE
JANESVILLE, WI 53548

Rock County (608) 756-6508

KARINA LAURA PAULIUS QUINN MD

Plastic Surgery

1000 MINERAL POINT AVE
JANESVILLE, WI 53548

Rock County (608) 756-6000

ALESIA L DRAKE DPT, PT

Physical Therapist

1000 MINERAL POINT AVE
JANESVILLE, WI 53548

Rock County (608) 756-6842

PAULINE R CASS PHARMD

Pharmacist

1000 MINERAL POINT AVE
JANESVILLE, WI 53548

Rock County (608) 756-6000

KAREN SAUNDERS OT

Occupational Therapist

1000 MINERAL POINT AVE
JANESVILLE, WI 53548

Rock County (608) 756-6000

DR. MERLE S RUST MD

Neurological Surgery

1000 MINERAL POINT AVE, MERCY WEST NEUROSURGERY
JANESVILLE, WI 53548

Rock County (608) 756-6826

DR. MICHAEL V COOGAN MD

Emergency Medicine (Medical Toxicology)

1000 MINERAL POINT AVE
JANESVILLE, WI 53548

Rock County (608) 756-6000

CHRISTOPHER B GOODAVISH PA

Physician Assistant

1000 MINERAL POINT AVE
JANESVILLE, WI 53548

Rock County (608) 756-6868

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 Yusaf Hussain's NPI number?

The NPI number for Yusaf Hussain is 1538714456. It was assigned to this individual provider in the NPPES registry on August 7, 2019.

Where is Yusaf Hussain located?

Yusaf Hussain practices at 1000 Mineral Point Ave, Janesville, WI 53548. The listed phone number is (608) 756-6000.

What is Yusaf Hussain's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Yusaf Hussain enrolled in Medicare?

Yes. Yusaf Hussain is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Yusaf Hussain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yusaf Hussain reassigns Medicare benefits to 4 organizations: Mercy Health System Corporation (Janesville, WI), Crescent Allergy Sc (Palos Heights, IL), Galen Inpatient Physicians PC (Pensacola, FL) and Eastside Hospitalists Inc (Hollywood, FL). 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 Yusaf Hussain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yusaf Hussain accept?

Health plans from Anthem Blue Cross and Blue Shield list Yusaf Hussain 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 Yusaf Hussain affiliated with any hospitals?

According to CMS data, Yusaf Hussain is affiliated with Mercy Walworth Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Yusaf Hussain was last updated on April 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.