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DR. JOHN L HOLDEN MD
NPI 1356341846
Internal Medicine - Gastroenterology in Downers Grove, IL

Active since July 26, 2005PECOS Enrolled
3825 HIGHLAND AVE SUITE 203, DOWNERS GROVE, IL 60515(630) 969-1167(630) 969-1284 Get Directions Write a Review

NPPES record last updated: April 28, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. John L Holden Md NPPES

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

DR. JOHN L HOLDEN MD (NPI 1356341846) is an individual gastroenterology provider in Downers Grove, Illinois, licensed in Illinois (036054681) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356341846
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JOHN L HOLDENCredential: MD
Location Address3825 HIGHLAND AVE SUITE 203Downers Grove, IL 60515-1552
Mailing Address3825 Highland Ave Suite 203Downers Grove, IL 60515-1552 · (630) 969-1167 · Fax (630) 969-1284
Phone(630) 969-1167
Fax(630) 969-1284
Sole ProprietorNo
Enumeration DateJuly 26, 2005
Last NPPES UpdateApril 28, 2008
✔ NPI 1356341846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 036054681
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3825 HIGHLAND AVE SUITE 203, Downers Grove, IL 60515
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Other Identifiers 1

Medicare PINK48921IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John L Holden Md 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.

Medicare Billing Reassignments

2

Medicare enrollment records show John Holden reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology Services, Ltd
Same address
Gastroenterology
3825 HIGHLAND AVE, SUITE 203
Downers Grove, IL 60515
  • Reassigned Medicare billing, Illinois enrollment
  • 5 clinicians in this Medicare group
NPI 1205966678 (630) 969-1167
Mount Sinai Community Foundation
11 mi
Internal Medicine
610 S MAPLE AVE, STE 2100
Oak Park, IL 60304
  • Reassigned Medicare billing, Illinois enrollment
  • 646 clinicians in this Medicare group
NPI 1215046347 (708) 848-7373

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60515 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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 Holden's NPI number?

The NPI number for John Holden is 1356341846. It was assigned to this individual provider in the NPPES registry on July 26, 2005.

Where is John Holden located?

John Holden practices at 3825 Highland Ave Suite 203, Downers Grove, IL 60515. The listed phone number is (630) 969-1167.

What is John Holden's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Holden enrolled in Medicare?

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

Which organizations bill Medicare for John Holden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Holden reassigns Medicare benefits to 2 organizations: Gastroenterology Services, Ltd (Downers Grove, IL) and Mount Sinai Community Foundation (Oak Park, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Holden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Holden was last updated on April 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.