DR. MIRZA OMER MAHMOOD BAIG M.D.
NPI 1285720490
Internal Medicine - Infectious Disease in Janesville, WI

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment
1000 MINERAL POINT AVE, JANESVILLE, WI 53548(608) 756-6868(608) 756-6289 Get Directions Write a Review

NPPES record last updated: February 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 10, 2025, Oct 27, 2020 (2 updates tracked since 2020).

About Dr. Mirza Omer Mahmood Baig M.d. NPPES

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

DR. MIRZA OMER MAHMOOD BAIG M.D. (NPI 1285720490) is an individual infectious disease provider in Janesville, Wisconsin, licensed in Wisconsin (61590) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Southeast Iowa Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1285720490
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. MIRZA OMER MAHMOOD BAIGCredential: M.D.
Location Address1000 MINERAL POINT AVEJanesville, WI 53548-2982
Mailing Address29624 Network PlChicago, IL 60673-1296 · (608) 741-7652 · Fax (608) 743-3260
Fax(608) 756-6289
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateOctober 5, 2006
Last NPPES UpdateFebruary 10, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 10, 2025
NPI 1285720490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses Licensed in WI · 61590 Licensed in IL · 036110972 Licensed in IA · 36686
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1000 MINERAL POINT AVE, Janesville, WI 53548

Secondary Practice Locations 2

Location 18201 E Riverside BlvdRockford, IL 61114-2300 · Phone (815) 971-7000 · Fax (815) 968-4795
Location 23801 Marquette StDavenport, IA 52806-5538 · Phone (563) 386-7860 · Fax (563) 386-7856

Other Identifiers 1

Medicaid1285720490IA

Accepted Insurance

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

Dr. Mirza Omer Mahmood Baig 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 ID2668471715
PECOS Enrollment IDI20061219000072, I20090805000141, I20140221001644
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 10

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.
338 services156 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
106 services47 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.
85 services53 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.
72 services70 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.
54 services37 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.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

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

Southeast Iowa Regional Medical Center

Acute Care Hospitals · West Burlington, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160057
Location1221 South Gear AvenueWest Burlington, IA 52655 · Des Moines County
Emergency services Birthing friendly

Henry County Health Center

Critical Access Hospitals · Mount Pleasant, IA
OwnershipGovernment - Local
CMS Certification Number161356
Location407 S White StMount Pleasant, IA 52641 · Henry County
Emergency services

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53548 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Nurse Practitioner (Psychiatric/Mental Health)
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Plastic Surgery
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Physical Therapist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Pharmacist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Occupational Therapist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Neurological Surgery
1000 MINERAL POINT AVE, MERCY WEST NEUROSURGERY
JANESVILLE, WI 53548
Emergency Medicine (Medical Toxicology)
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Physician Assistant
1000 MINERAL POINT AVE
JANESVILLE, WI 53548

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 Mirza Omer Baig's NPI number?

The NPI number for Mirza Omer Baig is 1285720490. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Mirza Omer Baig located?

Mirza Omer Baig practices at 1000 Mineral Point Ave, Janesville, WI 53548. The listed phone number is (608) 756-6868.

What is Mirza Omer Baig's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Mirza Omer Baig enrolled in Medicare?

Yes. Mirza Omer Baig 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.

What insurance does Mirza Omer Baig accept?

Health plans from Medica and MercyCare Health Plans list Mirza Omer Baig 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 Mirza Omer Baig affiliated with any hospitals?

According to CMS data, Mirza Omer Baig is affiliated with Southeast Iowa Regional Medical Center, Henry County Health Center, Mercy Health System Corp and Mercy Walworth Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Mirza Omer Baig was last updated on February 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.