CHARLES W GRAEBER (MD) – Nephrology Physician, NPI 1801867452

CHARLES W GRAEBER (MD) is a healthcare provider. based in Naples, Florida. specializing in Nephrology Physician. They hold the professional credentials MD. They hold a License No. 020577 (CT). The NPI Number for CHARLES W GRAEBER (MD) is 1801867452

Main info

Male
52 Years Of Experience
Accepts Medicare Assignment
Name
CHARLES W GRAEBER (MD)
NPI
1801867452
Phone
(239) 624-0940
Address
311 9TH ST N STE 100
Enumeration Date
31 January 2006
Last Update Date
21 July 2022

Doctor Profile

Medical School Name
RUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Secondary Phone
2392617711
Graduation Year
1974 (52 years ago)
PAC ID
0446260194
Group Practice PAC ID
9436139565
Professional Enrollment ID
I20160829001800
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for CHARLES W GRAEBER (MD)

  • 9th Street North, Naples, Collier County, Florida, 34102:34103, United States

    NAPLES, FL 341025886

    Phone: (239) 624-0940

    Fax: (239) 624-0941

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 34102)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9436139565View full group profile
NameSpecialtyState
Family PracticeFL
-OH
-FL
H O S P I T A L I S TFL
-FL
Cardiovascular Disease (Cardiology)MN
Cardiovascular Disease (Cardiology)FL
Diagnostic RadiologyNC
Nurse PractitionerFL
-FL

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Frequently asked questions

What is the standard ID for CHARLES W GRAEBER (MD) in the U.S.?
In the U.S., CHARLES W GRAEBER (MD) is identified by NPI 1801867452.
Does the public listing show CHARLES W GRAEBER (MD) as active?
CHARLES W GRAEBER (MD)'s NPI record reflects an active status in NPPES.
What services align with CHARLES W GRAEBER (MD)'s listing?
CHARLES W GRAEBER (MD)'s public classification highlights Nephrology Physician. Clinical services aligned with this taxonomy classification.
Is CHARLES W GRAEBER (MD) tied to Naples, Florida?
If you are local to Naples, Florida, CHARLES W GRAEBER (MD) may be relevant to your search.
Why is information missing for CHARLES W GRAEBER (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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