Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MICHAEL H. SIMPSON M.D.
NPI 1194895680
Family Medicine - Obesity Medicine in Chicago, IL

Q: What is Michael Simpson's NPI number?

The NPI number for Michael Simpson is 1194895680. It was assigned to this individual provider in the NPPES registry on November 9, 2006.

Q: What is Michael Simpson's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Obesity Medicine, with taxonomy code 207QB0002X.

Q: When was this NPI record last updated?

The NPPES record for Michael Simpson was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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 November 09, 2006PECOS EnrolledAccepts Medicare Assignment

200 W SUPERIOR ST STE 300, CHICAGO, IL 60654(773) 327-6800(773) 327-6877 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 23, 2026, Feb 23, 2019 (2 updates tracked since 2019).

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About Michael H. Simpson M.d. NPPES

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

MICHAEL H. SIMPSON M.D. (NPI 1194895680) is an individual obesity medicine provider in Chicago, Illinois, licensed in Indiana (01065834A) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center Inc, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1194895680

Entity TypeIndividualMale

Primary Taxonomy207QB0002X

Provider Legal NameMICHAEL H. SIMPSONCredential: M.D.

Location Address200 W SUPERIOR ST STE 300Chicago, IL 60654-5563

Mailing Address200 W Superior St Ste 300Chicago, IL 60654-5563 · (773) 327-6800 · Fax (773) 327-6877

Phone(773) 327-6800

Fax(773) 327-6877

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateNovember 9, 2006

Last NPPES UpdateJuly 23, 20262 updates tracked since enumeration

NPPES CertifiedJuly 23, 2026

✔ NPI 1194895680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Obesity MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207QB0002X

License✔ Licensed in IN · 01065834A

Definition

A family medicine physician who specializes in the treatment of obesity demonstrates competency in and a thorough understanding of the treatment of obesity and the genetic, biologic, environmental, social, and behavioral factors that contribute to obesity. The obesity medicine physician employs therapeutic interventions including diet, physical activity, behavioral change, and pharmacotherapy. The obesity medicine physician utilizes a comprehensive approach, and may include additional resources such as dietitians, exercise physiologists, mental health professionals and bariatric surgeons as indicated to achieve optimal results. Additionally, the obesity medicine physician maintains competency in providing pre- peri- and post-surgical care of bariatric surgery patients, promotes the prevention of obesity, and advocates for those who suffer from obesity.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 036112784 (IL), 54865-020 (WI), 01065834A (IN)

200 W SUPERIOR ST STE 300, Chicago, IL 60654

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Other Identifiers 1

MedicaidPAYEE 1IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Michael H. Simpson 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 ID143273383

PECOS Enrollment IDI20081201000448

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.

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.

132 services51 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.

112 services54 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

16 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

St Mary Medical Center Inc

Acute Care Hospitals · Hobart, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150034

Location1500 S Lake Park AveHobart, IN 46342 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60654 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

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.

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.

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

3 suppliers14 claims15 services$26.22 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 8

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

RUSSELL HERBERG

Surgery