JOHN CHRISTOPHER CHARLES MD
NPI 1104801877
Psychiatry & Neurology - Psychiatry in Green Bay, WI

Q: What is John Charles's NPI number?

The NPI number for John Charles is 1104801877. It was assigned to this individual provider in the NPPES registry on December 14, 2005.

Q: What is John Charles's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: Is John Charles enrolled in Medicare?

No. John Charles has opted out of Medicare through May 23, 2027. 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 John Charles was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 December 14, 2005Opted out of Medicare · through May 23, 2027

2643 LIBAL ST STE C, GREEN BAY, WI 54301(920) 664-6707 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 20, 2026, Nov 23, 2020 (2 updates tracked since 2020).

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About John Christopher Charles Md NPPES

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

JOHN CHRISTOPHER CHARLES MD (NPI 1104801877) is an individual psychiatry provider in Green Bay, Wisconsin, licensed in Wisconsin (42023) and active in the NPI registry since December 2005. He has opted out of Medicare through May 23, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1104801877

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameJOHN CHRISTOPHER CHARLESCredential: MD

Location Address2643 LIBAL ST STE CGreen Bay, WI 54301-2885

Mailing Address2643 Libal St Ste CGreen Bay, WI 54301-2885 · (920) 664-6707

Phone(920) 664-6707

Sole ProprietorYes

Enumeration DateDecember 14, 2005

Last NPPES UpdateApril 20, 20262 updates tracked since enumeration

NPPES CertifiedApril 20, 2026

✔ NPI 1104801877 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in WI · 42023

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

2643 LIBAL ST STE C, Green Bay, WI 54301

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

John Christopher Charles 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 May 23, 2025 through May 23, 2027.

Opt-Out Effective DateMay 23, 2025

Opt-Out In Effect ThroughMay 23, 2027Opt-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 54301 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

$163.24 typical visit price

range $53.90 – $163.24

Typical copayment $40.81 (range $13.47 – $40.81)

Most-billed visit code 99205

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

Most-billed visit code 99213

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 Charles's NPI number?

The NPI number for John Charles is 1104801877. It was assigned to this individual provider in the NPPES registry on December 14, 2005.

Where is John Charles located?

John Charles practices at 2643 Libal St Ste C, Green Bay, WI 54301. The listed phone number is (920) 664-6707.

What is John Charles's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is John Charles enrolled in Medicare?

No. John Charles has opted out of Medicare through May 23, 2027. 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.

What insurance does John Charles accept?

Health plans from CareSource (Common Ground Healthcare) list John Charles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Charles was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.