DR. MAHWASH FATIMA SIDDIQUI M.D
NPI 1396291183
Internal Medicine - Endocrinology, Diabetes & Metabolism in Chicago, IL

Q: What is Mahwash Siddiqui's NPI number?

The NPI number for Mahwash Siddiqui is 1396291183. It was assigned to this individual provider in the NPPES registry on August 31, 2016.

Q: What is Mahwash Siddiqui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Mahwash Siddiqui was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 31, 2016PECOS EnrolledAccepts Medicare Assignment

80.83/100

CMS Quality Rating

2701 W 68TH ST, CHICAGO, IL 60629(708) 884-7350 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 7, 2026, Mar 17, 2021, Aug 31, 2016 (3 updates tracked since 2016).

On this page

About Dr. Mahwash Fatima Siddiqui M.d NPPES

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

DR. MAHWASH FATIMA SIDDIQUI M.D (NPI 1396291183) is an individual endocrinology, diabetes & metabolism provider in Chicago, Illinois, licensed in Illinois (036150022) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and maintains a secondary practice location in North Chicago.

NPPES Registry Identity

NPI1396291183

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameDR. MAHWASH FATIMA SIDDIQUICredential: M.D

Location Address2701 W 68TH STChicago, IL 60629-1813

Mailing Address747 W Meryls CtPalatine, IL 60074-1053 · (847) 807-9648

Phone(708) 884-7350

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateAugust 31, 2016

Last NPPES UpdateJanuary 7, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 7, 2026

✔ NPI 1396291183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in IL · 036150022

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125069419 (IL)

2701 W 68TH ST, Chicago, IL 60629

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Secondary Practice Location 1

Location 13333 green bay road, Rosalind Franklin university of medicine and scienceNorth Chicago, IL 60064 · Phone (847) 578-3227

Other Identifiers 1

Medicaid036150022IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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. Mahwash Fatima Siddiqui 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 ID9830506690

PECOS Enrollment IDI20210324001085

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 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.

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.

88 services24 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.

48 services30 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.

14 services12 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.

13 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Mt Sinai Hospital Medical Center

Acute Care Hospitals · Chicago, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140018

Location1500 S Fairfield AveChicago, IL 60608 · Cook County

Emergency services Birthing friendly

Holy Cross Hospital

Acute Care Hospitals · Chicago, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140133

Location2701 W 68th StreetChicago, IL 60629 · Cook County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60629 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.83/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

64.96

Promoting Interoperability

Improvement Activities

Cost

63.15

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier11 claims11 services$184.61 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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. KENYATTA JAMAL FRAZIER M.D.

Emergency Medicine

2701 W 68TH ST
CHICAGO, IL 60629

Cook County (773) 884-9000

RALPH JACKSON D.O.

Emergency Medicine

2701 W 68TH ST
CHICAGO, IL 60629

Cook County (773) 471-8000

DR. SUNITA SINGH M.D.

Internal Medicine

2701 W 68TH ST
CHICAGO, IL 60629

Cook County (773) 884-7920

LYNNE WENTZ

Registered Nurse (Diabetes Educator)

2701 W 68TH ST, RM.S 409
CHICAGO, IL 60629

Cook County (773) 884-9899

REBEKAH RAEBURN LCSW

Social Worker (Clinical)

2701 W 68TH ST
CHICAGO, IL 60629

Cook County (773) 565-2550

SARAH ARGENTINE AGPCNP-BC

Nurse Practitioner (Adult Health)

2701 W 68TH ST
CHICAGO, IL 60629

Cook County (773) 884-9000

PAMELA E SMITH MD MPH CHES SC

Obstetrics & Gynecology

2701 W 68TH ST
CHICAGO, IL 60629

Cook County (773) 884-7920

MOUNT SINAI COMMUNITY FOUNDATION DBA SINAI MEDICAL GROUP

Clinic/Center (Rehabilitation, Substance Use Disorder)

2701 W 68TH ST
CHICAGO, IL 60629

Cook County (773) 849-9000

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 Mahwash Siddiqui's NPI number?

The NPI number for Mahwash Siddiqui is 1396291183. It was assigned to this individual provider in the NPPES registry on August 31, 2016.

Where is Mahwash Siddiqui located?

Mahwash Siddiqui practices at 2701 W 68th St, Chicago, IL 60629. The listed phone number is (708) 884-7350.

What is Mahwash Siddiqui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Mahwash Siddiqui enrolled in Medicare?

Yes. Mahwash Siddiqui 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 Mahwash Siddiqui accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Mahwash Siddiqui 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 Mahwash Siddiqui affiliated with any hospitals?

According to CMS data, Mahwash Siddiqui is affiliated with Mt Sinai Hospital Medical Center and Holy Cross Hospital.

When was this NPI record last updated?

The NPPES record for Mahwash Siddiqui was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.