NPPES file of Aug 9, 2026

Charles Robert Williams, DO

Family Medicine Physician · Marietta, OH

Charles Robert Williams, DO is a family medicine physician with a practice address in Marietta, Ohio, and NPI 1154326205, issued on Jun 16, 2005. Check the license (Ohio 34006534, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154326205
Name
Charles Robert Williams
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
34006534 OH
Self-reported in NPPES; status is on the state search
Practice location
1106 Colegate Dr, Marietta, OH 45750
Phone
(740) 568-2000
Enumerated
Jun 16, 2005
Record last updated
May 8, 2024
Medicare enrollment
Enrolled (PECOS I20040817000159); accepts Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1106 Colegate Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joseph Castle, D.O.Anesthesiology Physician1275588774
  2. Holly FrancisOccupational Therapist1891678413
  3. Gary Gelesh, DOEmergency Medicine Physician1730169822
  4. Johnna Hartline, LPTAPhysical Therapy Assistant1619850237
  5. Tiffany Heu, D.O.Emergency Medicine Physician1780982991
  6. Kristin Lindsey, PTPhysical Therapist1639053952

Verify Charles Robert Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34006534
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average family medicine physician in 2024

417 Medicare Part D claims for 217 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 87 claims were for opioids.

  1. Charles Williams417
  2. Specialty average3,544

Most prescribed

  1. Hydrocodone-Acetaminophen67 claims
  2. Ondansetron Odt43 claims
  3. Cephalexin41 claims
  4. Prednisone37 claims
  5. Levofloxacin28 claims
  6. Amoxicillin-Clavulanate Potass26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital affiliation

  1. Marietta Memorial HospitalMarietta, OH · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Charles Robert Williams among 5,606 family medicine physician records in Ohio

Charles Robert Williams, DO is one of 5,606 family medicine physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1995 · median 2005 among the 3,510 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 family medicine physician records list a practice address in Marietta

They are 29 of the 1,141 NPPES records with a practice address in Marietta, and 5,606 family medicine physician records in Ohio.

The 8 family medicine physician records with the nearest ZIP codes

  1. Cynthia Brock, DOMarietta, OH 457501508861899
  2. Michael Brockett, MDMarietta, OH 457501366419343
  3. Roxanne Cech, M.D.Marietta, OH 457501497830566
  4. Joy Chesnut, MDMarietta, OH 457501194793885
  5. Richard Clark, MDMarietta, OH 457501053316364
  6. Eric Hunkele, M.D.Marietta, OH 457501033186044
  7. Kenneth Leopold, MDMarietta, OH 457501871561472
  8. Amado Maijub, M.D., PHDMarietta, OH 457501902854748

Common questions

What is Charles Robert Williams, DO's NPI number?

Charles Robert Williams, DO's National Provider Identifier (NPI) is 1154326205, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Charles Robert Williams, DO located?

The NPPES record lists a practice address at 1106 Colegate Dr, Marietta, OH, 45750. Phone: (740) 568-2000. Providers update this record themselves, so call before visiting.

How can I verify Charles Robert Williams, DO's license?

NPPES lists Ohio license number 34006534, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles Robert Williams, DO prescribe under Medicare Part D?

In 2024, Charles Robert Williams, DO had 417 Medicare Part D claims for 217 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.