Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHARLES ROSS BUCK M.D.
NPI 1598725863
Preventive Medicine - Public Health & General Preventive Medicine in Iowa City, IA

Q: What is Charles Buck's NPI number?

The NPI number for Charles Buck is 1598725863. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Q: What is Charles Buck's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Q: When was this NPI record last updated?

The NPPES record for Charles Buck was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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 March 23, 2006

540 E JEFFERSON ST, SUITE 205, IOWA CITY, IA 52245(319) 339-3921(319) 339-3858 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Charles Ross Buck M.d. NPPES

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

CHARLES ROSS BUCK M.D. (NPI 1598725863) is an individual public health & general preventive medicine provider in Iowa City, Iowa, licensed in Iowa (22906) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1598725863

Entity TypeIndividualMale

Primary Taxonomy2083P0901X

Provider Legal NameCHARLES ROSS BUCKCredential: M.D.

Location Address540 E JEFFERSON ST, SUITE 205Iowa City, IA 52245-2479

Mailing Address540 E Jefferson St, Suite 205Iowa City, IA 52245-2479 · (319) 339-3921 · Fax (319) 339-3858

Phone(319) 339-3921

Fax(319) 339-3858

Sole ProprietorNo

Enumeration DateMarch 23, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1598725863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Public Health & General Preventive MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0901X

License✔ Licensed in IA · 22906

Definition

Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

540 E JEFFERSON ST, Iowa City, IA 52245

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Other Providers at the Same Location NPPES 20

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

BRIAN ALEXANDER JOHNS M.D.

Preventive Medicine (Occupational Medicine)

540 E JEFFERSON ST, SUITE 205
IOWA CITY, IA 52245

Johnson County (319) 339-3921

MS. AMANDA JEAN MORANO MS CCC SLP

Speech-Language Pathologist

540 E JEFFERSON ST, SUITE 302
IOWA CITY, IA 52245

Johnson County (319) 339-3611

SHIRLEY B PAUL M.D.

Pediatrics

540 E JEFFERSON ST, SUITE 105
IOWA CITY, IA 52245

Johnson County (319) 688-7337

IOWA CITY THORACIC AND VASCULAR PLC

Thoracic Surgery (Cardiothoracic Vascular Surgery)

540 E JEFFERSON ST, SUITE 304
IOWA CITY, IA 52245

Johnson County (319) 337-3604

DR. DARWIN DEAN PETERSON D.O.

Surgery

540 E JEFFERSON ST, SUITE 205
IOWA CITY, IA 52245

Johnson County (319) 688-7880

ALICE HWAN P.T.

Physical Therapist

540 E JEFFERSON ST, SUITE 302
IOWA CITY, IA 52245

Johnson County (319) 339-3611

DR. RICHARD FLINT NEIMAN MD

Specialist

540 E JEFFERSON ST, SUITE 201
IOWA CITY, IA 52245

Johnson County (319) 338-5451

DR. NATHAN RYAN SCHNEIDER M.D.

Surgery

540 E JEFFERSON ST, SUITE 205
IOWA CITY, IA 52245

Johnson County (319) 688-7880

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 Charles Buck's NPI number?

The NPI number for Charles Buck is 1598725863. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Charles Buck located?

Charles Buck practices at 540 E Jefferson St Suite 205, Iowa City, IA 52245. The listed phone number is (319) 339-3921.

What is Charles Buck's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

When was this NPI record last updated?

The NPPES record for Charles Buck was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.