JOHN CLAUDE WALTON MD
NPI 1245895507
Family Medicine - Adult Medicine in Chicago, IL

Q: What is John Walton's NPI number?

The NPI number for John Walton is 1245895507. It was assigned to this individual provider in the NPPES registry on May 2, 2019.

Q: What is John Walton's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Q: When was this NPI record last updated?

The NPPES record for John Walton was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 May 02, 2019PECOS EnrolledAccepts Medicare Assignment

4822 S COTTAGE GROVE AVE STE 4-200, CHICAGO, IL 60615(312) 926-3627(312) 921-1051 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 17, 2024, Sep 6, 2021, Jul 21, 2021 and 1 more (4 updates tracked since 2019).

On this page

About John Claude Walton Md NPPES

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

JOHN CLAUDE WALTON MD (NPI 1245895507) is an individual adult medicine provider in Chicago, Illinois, licensed in Illinois (036170584) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains a secondary practice location in Evanston.

NPPES Registry Identity

NPI1245895507

Entity TypeIndividualMale

Primary Taxonomy207QA0505X

Provider Legal NameJOHN CLAUDE WALTONCredential: MD

Location Address4822 S COTTAGE GROVE AVE STE 4-200Chicago, IL 60615

Mailing Address4822 S Cottage Grove Ave Ste 4-200Chicago, IL 60615 · (312) 926-3627 · Fax (312) 921-1051

Phone(312) 926-3627

Fax(312) 921-1051

Sole ProprietorYes

Medical School CMSRush Medical College Of Rush UniversityGraduated 2021

Enumeration DateMay 2, 2019

Last NPPES UpdateAugust 28, 20254 updates tracked since enumeration

NPPES CertifiedAugust 20, 2025

✔ NPI 1245895507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyFamily Medicine · Adult MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207QA0505X

License✔ Licensed in IL · 036170584

Definition

The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 125.078956 (IL)

Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License 036.170584 (IL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4822 S COTTAGE GROVE AVE STE 4-200, Chicago, IL 60615

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Secondary Practice Location 1

Location 12650 Ridge Ave Ste 1304Evanston, IL 60201-1700 · Phone (847) 866-7846

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

John Claude Walton 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 ID4486056967

PECOS Enrollment IDI20240819001374

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.

Hospital Affiliations CMS Care Compare 3

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Hillcrest Medical Center

Acute Care Hospitals · Tulsa, OK

2/5 CMS rating

OwnershipProprietary

CMS Certification Number370001

Location1120 South Utica AvenueTulsa, OK 74104 · Tulsa County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60615 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.

Other Providers at the Same Location NPPES

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

NATHAN TAN NAVARRO MD

Family Medicine (Adult Medicine)

4822 S COTTAGE GROVE AVE STE 4-200
CHICAGO, IL 60615

Cook County (312) 926-3627

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 Walton's NPI number?

The NPI number for John Walton is 1245895507. It was assigned to this individual provider in the NPPES registry on May 2, 2019.

Where is John Walton located?

John Walton practices at 4822 S Cottage Grove Ave Ste 4-200, Chicago, IL 60615. The listed phone number is (312) 926-3627.

What is John Walton's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Is John Walton enrolled in Medicare?

Yes. John Walton 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.

Is John Walton affiliated with any hospitals?

According to CMS data, John Walton is affiliated with Northwestern Medicine Central Dupage Hospital, Northwestern Memorial Hospital and Hillcrest Medical Center.

When was this NPI record last updated?

The NPPES record for John Walton was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.