NPPES file of Aug 9, 2026

William Joseph Kolhoff, M.D.

Internal Medicine Physician · Rincon, GA

William Joseph Kolhoff, M.D. is an internal medicine physician with a practice address in Rincon, Georgia, and NPI 1669703278, issued on Jan 21, 2010. Check the license (Georgia 063706, as entered in NPPES) on the Georgia Composite Medical Board; 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
1669703278
Name
William Joseph Kolhoff
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
063706 GA
Self-reported in NPPES; status is on the state search
Practice location
800 Towne Park Dr Ste 100, Rincon, GA 31326
Phone
(912) 826-0052
Enumerated
Jan 21, 2010
Record last updated
Jul 15, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(912) 826-4726
Medicaid ID
623869721A GA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify William Joseph Kolhoff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 063706
    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 Georgia 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

67% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,056 Medicare Part D claims for 54 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. William Kolhoff1,056
  2. Specialty average3,176

Most prescribed

  1. Lansoprazole101 claims
  2. Levetiracetam72 claims
  3. Sucralfate63 claims
  4. Levothyroxine Sodium56 claims
  5. Atorvastatin Calcium54 claims
  6. Lacosamide39 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.

Industry payments in 2024: $272.60

11 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Kolhoff$272.60
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

William Joseph Kolhoff among 3,911 internal medicine physician records in Georgia

William Joseph Kolhoff, M.D. is one of 3,911 internal medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.

  • NPI issued2010 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2015 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 internal medicine physician records list a practice address in Rincon

They are 5 of the 282 NPPES records with a practice address in Rincon, and 3,911 internal medicine physician records in Georgia.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lawrence Adjei, MDRincon, GA 313261689637134
  2. Frances Decker, M.D.Rincon, GA 313261942236781
  3. Lucas Policastro, MDRincon, GA 313261013442177
  4. Joseph Snooks, MDRincon, GA 313261083205249
  5. Donald Cobb, MDRichmond Hill, GA 313241386688554
  6. Thomas Garner, M.D.Richmond Hill, GA 313241801185442
  7. Savannah Grunhard, MDRichmond Hill, GA 313241073254363
  8. Edward Hoffman, M.D.Richmond Hill, GA 313241154313229

Common questions

What is William Joseph Kolhoff, M.D.'s NPI number?

William Joseph Kolhoff, M.D.'s National Provider Identifier (NPI) is 1669703278, issued on Jan 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is William Joseph Kolhoff, M.D. located?

The NPPES record lists a practice address at 800 Towne Park Dr Ste 100, Rincon, GA, 31326. Phone: (912) 826-0052. Providers update this record themselves, so call before visiting.

How can I verify William Joseph Kolhoff, M.D.'s license?

NPPES lists Georgia license number 063706, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Joseph Kolhoff, M.D. prescribe under Medicare Part D?

In 2024, William Joseph Kolhoff, M.D. had 1,056 Medicare Part D claims for 54 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.