WILLIAM R HARPER MD
NPI 1629131149
Internal Medicine in Chicago, IL

Q: What is William Harper's NPI number?

The NPI number for William Harper is 1629131149. It was assigned to this individual provider in the NPPES registry on December 18, 2006.

Q: What is William Harper's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: Is William Harper enrolled in Medicare?

No. William Harper has opted out of Medicare through June 29, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for William Harper was last updated on August 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 December 18, 2006Opted out of Medicare · through Jun 29, 2028

737 N MICHIGAN AVE, SUITE 2020, CHICAGO, IL 60611(855) 947-7371(312) 284-4124 Get Directions Write a Review

NPPES record last updated: August 16, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 16, 2018, Apr 13, 2017 (2 updates tracked since 2017).

On this page

About William R Harper Md NPPES

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

WILLIAM R HARPER MD (NPI 1629131149) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036097080) and active in the NPI registry since December 2006. He has opted out of Medicare through June 29, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1629131149

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameWILLIAM R HARPERCredential: MD

Location Address737 N MICHIGAN AVE, SUITE 2020Chicago, IL 60611

Mailing Address5119 S Dorchester AveChicago, IL 60615-4117 · (855) 947-7371 · Fax (312) 284-4124

Phone(855) 947-7371

Fax(312) 284-4124

Sole ProprietorYes

Enumeration DateDecember 18, 2006

Last NPPES UpdateAugust 16, 20182 updates tracked since enumeration

✔ NPI 1629131149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 036097080

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

737 N MICHIGAN AVE, Chicago, IL 60611

Open in Google Maps ↗

Other Identifiers 1

Medicaid036097080IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

William R Harper Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from June 29, 2016 through June 29, 2028.

Opt-Out Effective DateJune 29, 2016

Opt-Out In Effect ThroughJune 29, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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.

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 supplier12 claims12 services$215.65 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.

PSYCHIATRIC ASSOCIATES SC

Psychiatry & Neurology (Psychiatry)

737 N MICHIGAN AVE, SUITE 1200
CHICAGO, IL 60611

Cook County (312) 373-7300

DR. IAN MURPHY

General Acute Care Hospital (Critical Access)

737 N MICHIGAN AVE, SUITE 1600, CARDIOVASCULAR IMAGING
CHICAGO, IL 60611

Cook County (312) 926-2000

ORTHODONTICS FOR ALL AGES, P.C.

Dentist (Orthodontics and Dentofacial Orthopedics)

737 N MICHIGAN AVE, SUITE 1330
CHICAGO, IL 60611

Cook County (312) 266-7118

DR. WILIIAM DONALD CIGANEK M.D.

Psychiatry & Neurology (Psychiatry)

737 N MICHIGAN AVE, SUITE 2240
CHICAGO, IL 60611

Cook County (312) 255-0140

AMY MARIE YOUNG MS, OTR/L, CHT

Occupational Therapist (Hand)

737 N MICHIGAN AVE, SUITE 700
CHICAGO, IL 60611

Cook County (312) 337-6960

JUDITH LICHTENSTEIN, MD, S.C.

Psychoanalyst

737 N MICHIGAN AVE, #2240
CHICAGO, IL 60611

Cook County (312) 944-1701

MRS. BARBARA LEE HARTNETT MS,NP

Nurse Practitioner (Obstetrics & Gynecology)

737 N MICHIGAN AVE
CHICAGO, IL 60611

Cook County (312) 440-3810

THOMAS A WIEDRICH MD

Orthopaedic Surgery (Hand Surgery)

737 N MICHIGAN AVE, STE 700
CHICAGO, IL 60611

Cook County (312) 337-6960

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 William Harper's NPI number?

The NPI number for William Harper is 1629131149. It was assigned to this individual provider in the NPPES registry on December 18, 2006.

Where is William Harper located?

William Harper practices at 737 N Michigan Ave Suite 2020, Chicago, IL 60611. The listed phone number is (855) 947-7371.

What is William Harper's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Harper enrolled in Medicare?

No. William Harper has opted out of Medicare through June 29, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for William Harper was last updated on August 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.