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OMER AFZAL M.D.
NPI 1952393944
Internal Medicine - Nephrology in Waukesha, WI

Active since August 17, 2005PECOS EnrolledAccepts Medicare Assignment
111 ANN STREET, WAUKESHA, WI 53188(262) 542-6179(262) 542-6182 Get Directions Write a Review

NPPES record last updated: December 7, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Omer Afzal M.d. NPPES

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

OMER AFZAL M.D. (NPI 1952393944) is an individual nephrology provider in Waukesha, Wisconsin, licensed in Wisconsin (45209) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1952393944
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameOMER AFZALCredential: M.D.
Location Address111 ANN STREETWaukesha, WI 53188
Mailing Address335 Mahn CourtOak Creek, WI 53154 · (414) 762-2020 · Fax (414) 762-2024
Phone(262) 542-6179
Fax(262) 542-6182
Sole ProprietorYes
Medical School CMSOtherGraduated 1996
Enumeration DateAugust 17, 2005
Last NPPES UpdateDecember 7, 2021
NPPES CertifiedDecember 7, 2021
✔ NPI 1952393944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in WI · 45209
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
111 ANN STREET, Waukesha, WI 53188
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Other Identifiers 1

Medicaid34489700WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan and more.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

Omer Afzal 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 ID4688651300
PECOS Enrollment IDI20040701000308
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

5

Medicare enrollment records show Omer Afzal reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aurora Medical Group, Inc.
11 mi
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1457592735 (414) 328-8650
Midwest Nephrology Associates, S.C.
15 mi
Nephrology
3120 S 27TH ST
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Midwest Nephrology Associates Sc
  • 28 clinicians in this Medicare group
NPI 1659304467 (414) 672-8282
Aurora Advanced Healthcare, Inc.
17 mi
Family Medicine
3003 W GOOD HOPE RD
Milwaukee, WI 53209
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,615 clinicians in this Medicare group
NPI 1265629133 (414) 352-3100
Columbia St. Mary's Hospital Milwaukee Inc
18 mi
Multi-Specialty
2323 N LAKE DR
Milwaukee, WI 53211
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
  • 856 clinicians in this Medicare group
NPI 1225071491 (414) 585-1000
Baycare Aurora, LLC
102 mi
General Acute Care Hospital
2845 GREENBRIER RD
Green Bay, WI 54311
  • Reassigned Medicare billing, Wisconsin enrollment
  • 394 clinicians in this Medicare group
NPI 1255387726 (920) 288-8000

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 8

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 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
376 services117 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
263 services39 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.
236 services122 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.
158 services72 patients
Home dialysis services per month (20 years or older) 90966
Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.
142 services22 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.
109 services89 patients

Hospital Affiliations CMS Care Compare 5

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

Ascension Columbia St Mary's Hospital Milwaukee

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520051
Location2323 N Lake DrMilwaukee, WI 53211 · Milwaukee County
Emergency services Birthing friendly

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520139
Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County
Emergency services Birthing friendly

Aurora Medical Center

Acute Care Hospitals · Grafton, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520207
Location975 Port Washington RoadGrafton, WI 53024 · Ozaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53188 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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MIDWEST NEPHROLOGY ASSOCIATES, S.C.
Internal Medicine (Nephrology)
111 ANN STREET
WAUKESHA, WI 53188
Waukesha County (262) 542-6179
MIDWEST KIDNEY CARE, LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
111 ANN STREET
WAUKESHA, WI 53188
Waukesha County (262) 542-6179

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 Omer Afzal's NPI number?

The NPI number for Omer Afzal is 1952393944. It was assigned to this individual provider in the NPPES registry on August 17, 2005.

Where is Omer Afzal located?

Omer Afzal practices at 111 Ann Street, Waukesha, WI 53188. The listed phone number is (262) 542-6179.

What is Omer Afzal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Omer Afzal enrolled in Medicare?

Yes. Omer Afzal 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 Omer Afzal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omer Afzal reassigns Medicare benefits to 5 organizations: Aurora Medical Group, Inc. (West Allis, WI), Midwest Nephrology Associates, S.C. (Milwaukee, WI), Aurora Advanced Healthcare, Inc. (Milwaukee, WI), Columbia St. Mary's Hospital Milwaukee Inc (Milwaukee, WI) and Baycare Aurora, LLC (Green Bay, WI). 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 Omer Afzal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Omer Afzal accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan, HealthPartners and Network Health and 2 other insurers list Omer Afzal 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 Omer Afzal affiliated with any hospitals?

According to CMS data, Omer Afzal is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, Ascension SE Wisconsin Hospital, Aurora St Lukes Medical Center, West Allis Memorial Hospital and Aurora Medical Center.

When was this NPI record last updated?

The NPPES record for Omer Afzal was last updated on December 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.