Registry data as of Aug 27, 2026

Charles Murdock, MD

Internal Medicine Physician · Spartanburg, SC

Charles Murdock, MD is an internal medicine physician with a practice address in Spartanburg, South Carolina, and NPI 1679533640, issued on Mar 24, 2006. Check the license (South Carolina 12557, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1679533640
Name
Charles Murdock
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
12557 SC
12257 SC
Self-reported in NPPES; status is on the state search
Practice location
126 Dillon Dr, Spartanburg, SC 29307
Phone
(864) 327-1212
Enumerated
Mar 24, 2006
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.
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Also registered at 126 Dillon Dr

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

  1. Kathryn Knoy, MDInternal Medicine Physician1760441026
  2. Kristen Koch, PA-CMedical Physician Assistant1356653968
  3. Matthew Lambert, M.D.Nephrology Physician1992840805
  4. Frances Wise, ACNPAcute Care Nurse Practitioner1992855902

Verify Charles Murdock 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 12557
    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.

18% more Medicare Part D claims than the average internal medicine physician in 2024

3,280 Medicare Part D claims for 445 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 56 claims were for opioids.

  1. Charles Murdock3,280
  2. Specialty average2,785

Most prescribed

  1. Calcium Acetate187 claims
  2. Furosemide170 claims
  3. Amlodipine Besylate163 claims
  4. Benazepril Hcl134 claims
  5. Alprazolam119 claims
  6. Auryxia113 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.

The Medicare quality score for 2023: 93.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.9
  2. Costout of 100 · 30%81.4
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,416.03

63 payments, mostly food and beverage; the largest payer was Akebia Therapeutics Inc. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Murdock$1,416.03
  2. Specialty average$2,536.66

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

2 hospital and facility affiliations

  1. Foothills Nephrology PCSpartanburg, SC
  2. Union Medical CenterUnion, SC · Acute Care Hospitals

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

118 internal medicine physician records list a Spartanburg practice address

They are 118 of the 3,328 NPPES records with a Spartanburg practice address, and 2,276 internal medicine physician records in South Carolina.

Other internal medicine physician records in South Carolina

  1. John Abbott, M.D.Sumter, SC1093830762
  2. Murad Abdelsalam, MDRock Hill, SC1013229756
  3. Mohammed Abdulfatah, MDOrangeburg, SC1285167023
  4. Amjad Abdulrahman, MDIrmo, SC1194718841
  5. Elizabeth Abell, MDSpartanburg, SC1083623805
  6. Alvin Abinsay, M.D.Marion, SC1689608002
  7. Izabela Abissi, DOCharleston, SC1376387803
  8. Tinu Abraham, MDGreenwood, SC1194354399
  9. Natallia Abramovich, MDSeneca, SC1568647949
  10. Mohammad Abudalou, MDColumbia, SC1164084653

Common questions

What is Charles Murdock, MD's NPI number?

Charles Murdock, MD's National Provider Identifier (NPI) is 1679533640, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Murdock, MD located?

The NPPES record lists a practice address at 126 Dillon Dr, Spartanburg, SC, 29307. Phone: (864) 327-1212. Providers update this record themselves, so call before visiting.

How can I verify Charles Murdock, MD's license?

NPPES lists South Carolina license number 12557, 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 Charles Murdock, MD prescribe under Medicare Part D?

In 2024, Charles Murdock, MD had 3,280 Medicare Part D claims for 445 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Charles Murdock, MD's Medicare quality score?

The 2023 MIPS final score is 93.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.