NPPES file of Aug 9, 2026

Gunther Rencken, MD

Family Medicine Physician · Walterboro, SC

Gunther Rencken, MD is a family medicine physician with a practice address in Walterboro, South Carolina, and NPI 1568402089, issued on Jun 7, 2006. Check the license (South Carolina 23598, as entered in NPPES) on the South Carolina Board of Medical Examiners; 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
1568402089
Name
Gunther Rencken
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
23598 SC
Self-reported in NPPES; status is on the state search
Practice location
107 Church St, Walterboro, SC 29488
Phone
(843) 549-1558
Enumerated
Jun 7, 2006
Record last updated
Jan 27, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(843) 549-1454
Medicare enrollment
Enrolled (PECOS I20101027001058); accepts Medicare assignment
Medical or professional school
Medical College Of Georgia School Of Medicine, 2000
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.
Download card Updates feed

Also registered at 107 Church St

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

  1. Joseph Flowers, MDFamily Medicine Physician1295775708
  2. Chandler Grier, MDFamily Medicine Physician1508557901
  3. John Johnston, M.D.Family Medicine Physician1346283421
  4. Allison MorganFamily Nurse Practitioner1619622552
  5. Kimberly Rencken, NPFamily Nurse Practitioner1760425888
  6. Michael Smith, M.D.Family Medicine Physician1912940040

Verify Gunther Rencken in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 23598
    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 South Carolina 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.

6.1 times the Medicare Part D claims of the average family medicine physician in 2024

21,584 Medicare Part D claims for 1,035 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 1,084 claims were for opioids.

  1. Gunther Rencken21,584
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate1,035 claims
  2. Losartan Potassium909 claims
  3. Atorvastatin Calcium718 claims
  4. Hydrocodone-Acetaminophen609 claims
  5. Omeprazole583 claims
  6. Levothyroxine Sodium541 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: $131.97

6 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gunther Rencken$131.97
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. Walterboro Family Practice Associates PAWalterboro, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gunther Rencken among 2,700 family medicine physician records in South Carolina

Gunther Rencken, MD is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2000 · median 2006 among the 1,638 with a school on file
  • Record last updated2010 · 50% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family medicine physician records list a practice address in Walterboro

They are 10 of the 309 NPPES records with a practice address in Walterboro, and 2,700 family medicine physician records in South Carolina.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Creel, M.D.Walterboro, SC 294881992708309
  2. Joseph Flowers, MDWalterboro, SC 294881295775708
  3. Chandler Grier, MDWalterboro, SC 294881508557901
  4. William Haynes, MDWalterboro, SC 294881851341317
  5. John Johnston, M.D.Walterboro, SC 294881346283421
  6. Vlastimil Smetka, MDWalterboro, SC 294881497974273
  7. Michael Smith, M.D.Walterboro, SC 294881912940040
  8. Curtis Stokes, M.D.Walterboro, SC 294881396784369

Common questions

What is Gunther Rencken, MD's NPI number?

Gunther Rencken, MD's National Provider Identifier (NPI) is 1568402089, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gunther Rencken, MD located?

The NPPES record lists a practice address at 107 Church St, Walterboro, SC, 29488. Phone: (843) 549-1558. Providers update this record themselves, so call before visiting.

How can I verify Gunther Rencken, MD's license?

NPPES lists South Carolina license number 23598, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gunther Rencken, MD prescribe under Medicare Part D?

In 2024, Gunther Rencken, MD had 21,584 Medicare Part D claims for 1,035 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.