DR. SUMAIYA WASEEM SIDDIQI MD
NPI 1679607709
Internal Medicine - Nephrology in La Crosse, WI

Q: What is Sumaiya Siddiqi's NPI number?

The NPI number for Sumaiya Siddiqi is 1679607709. It was assigned to this individual provider in the NPPES registry on March 14, 2007.

Q: What is Sumaiya Siddiqi's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sumaiya Siddiqi was last updated on June 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 14, 2007PECOS EnrolledAccepts Medicare Assignment

1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: June 26, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Sumaiya Waseem Siddiqi Md NPPES

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

DR. SUMAIYA WASEEM SIDDIQI MD (NPI 1679607709) is an individual nephrology provider in La Crosse, Wisconsin, licensed in Wisconsin (55111) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1679607709

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameDR. SUMAIYA WASEEM SIDDIQICredential: MD

Location Address1836 SOUTH AVELa Crosse, WI 54601-5429

Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300

Phone(608) 782-7300

Sole ProprietorNo

Medical School CMSOtherGraduated 1991

Enumeration DateMarch 14, 2007

Last NPPES UpdateJune 26, 2014

✔ NPI 1679607709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in WI · 55111✔ Licensed in WV · 22688✔ Licensed in IA · 40028

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.

1836 SOUTH AVE, La Crosse, WI 54601

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners 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

Dr. Sumaiya Waseem Siddiqi Md 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 ID9931206638

PECOS Enrollment IDI20110311000315, I20140722001506

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 Sumaiya Siddiqi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gundersen Clinic Ltd

Same address

Clinic/Center

1836 SOUTH AVE
La Crosse, WI 54601

Reassigned Medicare billing, Iowa and Wisconsin enrollments
179 clinicians in this Medicare group

NPI 1851343115 (608) 782-7300

Gundersen Lutheran Medical Center, Inc

Same address

Clinic/Center

710 DENTON ST
La Crosse, WI 54601

Reassigned Medicare billing, Wisconsin enrollment
1,457 clinicians in this Medicare group

NPI 1619210895 (608) 782-7300

Tri-County Memorial Hospital, Inc.

34 mi

Rural Health

420 S PETERSON AVE
Blair, WI 54616

Reassigned Medicare billing, Wisconsin enrollment
293 clinicians in this Medicare group

NPI 1659625192 (608) 989-2505

Gundersen Regional Clinics LLC

43 mi

Clinic/Center

1830 STATE HIGHWAY 9 STE 100
Decorah, IA 52101

Reassigned Medicare billing, Iowa enrollment
83 clinicians in this Medicare group

NPI 1043999071 (608) 782-7300

St. Joseph's Health Services, Inc.

46 mi

Critical Access

400 WATER AVE
Hillsboro, WI 54634

Reassigned Medicare billing, Wisconsin enrollment
Medicare enrollment name: St Josephs Health Services Inc
282 clinicians in this Medicare group

NPI 1972591410 (608) 489-8000

Memorial Hospital Of Boscobel

53 mi

Critical Access

205 PARKER ST
Boscobel, WI 53805

Reassigned Medicare billing, Wisconsin enrollment
299 clinicians in this Medicare group

NPI 1306804794 (608) 375-4112

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 15

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.

Dialysis services, per day, less than full month service (20 years or older) 90970

Dialysis is a treatment that replicates some functions of healthy kidneys when they're not working properly. It helps to remove waste, salt, and excess water from your body and maintain a safe level of certain chemicals in your blood. This service, for patients aged 20 or older, is provided on a daily basis for less than a full month.

245 services11 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.

183 services129 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.

105 services18 patients

Blood count, hemoglobin 85018

A blood count, specifically hemoglobin, is a standard test that measures the amount of hemoglobin in your blood. Hemoglobin is a protein in red blood cells that carries oxygen throughout your body. This test helps assess your overall health and detect a variety of disorders such as anemia or polycythemia.

98 services47 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

90 services63 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

73 services22 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

72 services48 patients

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.

32 services27 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

27 services22 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.

25 services18 patients

Urea nitrogen level to assess kidney function, quantitative 84520

The urea nitrogen level test is a routine blood test that checks the amount of urea nitrogen in your blood to evaluate how well your kidneys are working. If the levels are higher than normal, it may indicate that your kidneys are not functioning properly.

20 services17 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.

18 services18 patients

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

17 services14 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

15 services15 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

14 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Gundersen Lutheran Medical Center

Acute Care Hospitals · La Crosse, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520087

Location1910 South AveLa Crosse, WI 54601 · La Crosse County

Emergency services Birthing friendly

Gundersen St Josephs Hospital And Clinics

Critical Access Hospitals · Hillsboro, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521304

Location400 Water AveHillsboro, WI 54634 · Vernon County

Emergency services

Tomah Memorial Hospital

Critical Access Hospitals · Tomah, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521320

Location501 Gopher DrTomah, WI 54660 · Monroe County

Emergency services

Crossing Rivers Health Medical Center

Critical Access Hospitals · Prairie Du Chien, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521330

Location37868 Us Hwy 18Prairie Du Chien, WI 53821 · Crawford County

Emergency services

Black River Memorial Hospital

Critical Access Hospitals · Black River Falls, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521333

Location711 W Adams StBlack River Falls, WI 54615 · Jackson County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54601 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.

JEFFREY BRIAN TROHKIMOINEN M.D.

Anesthesiology

1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601

La Crosse County (608) 775-2031

JESSICA E THESING CRNA

Nurse Anesthetist, Certified Registered