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DR. JOHN FRANCIS WILLIAMS JR. M.D.
NPI 1891032108
Internal Medicine in Indianapolis, IN

Active since January 07, 2013PECOS Enrolled
8000 N ILLINOIS ST, INDIANAPOLIS, IN 46260(317) 259-4808 Get Directions Write a Review

NPPES record last updated: January 7, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Francis Williams Jr. M.d. NPPES

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

DR. JOHN FRANCIS WILLIAMS JR. M.D. (NPI 1891032108) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01017792A) and active in the NPI registry since January 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891032108
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN FRANCIS WILLIAMS JR.Credential: M.D.
Location Address8000 N ILLINOIS STIndianapolis, IN 46260-2939
Mailing Address8000 N Illinois StIndianapolis, IN 46260-2939 · (317) 259-4808
Phone(317) 259-4808
Sole ProprietorYes
Enumeration DateJanuary 7, 2013
✔ NPI 1891032108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IN · 01017792A
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.
8000 N ILLINOIS ST, Indianapolis, IN 46260
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Francis Williams Jr. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46260 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

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 John Williams's NPI number?

The NPI number for John Williams is 1891032108. It was assigned to this individual provider in the NPPES registry on January 7, 2013.

Where is John Williams located?

John Williams practices at 8000 N Illinois St, Indianapolis, IN 46260. The listed phone number is (317) 259-4808.

What is John Williams's specialty?

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

Is John Williams enrolled in Medicare?

Yes. John Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Williams was last updated on January 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.