Registry data as of Aug 27, 2026

Orr Cobb, M.D.

Internal Medicine Physician · Greenwood, SC

Orr Cobb, M.D. is an internal medicine physician with a practice address in Greenwood, South Carolina, and NPI 1952397085, issued on Sep 23, 2005. Check the license (South Carolina SC6105, 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
1952397085
Name
Orr Cobb
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
SC6105 SC
6105 SC
Self-reported in NPPES; status is on the state search
Practice location
104 Liner Dr, Greenwood, SC 29646
Phone
(864) 227-1115
Enumerated
Sep 23, 2005
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 104 Liner Dr

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

  1. Samuel Burnett III, M.D.Internal Medicine Physician1942296074
  2. Russell Hall, M.D.Internal Medicine Physician1265429492
  3. John Holman, M.D.Infectious Disease Physician1922095405
  4. Ellen Rhodes, NURSE PRACTITIONERFamily Nurse Practitioner1487837514
  5. Alexander Santos, DOInfectious Disease Physician1467039156
  6. Whitney StennettNurse Practitioner1629663810

Verify Orr Cobb 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 SC6105
    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.

2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

5,759 Medicare Part D claims for 640 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 166 claims were for opioids.

  1. Orr Cobb5,759
  2. Specialty average2,785

Most prescribed

  1. Pravastatin Sodium214 claims
  2. Losartan Potassium213 claims
  3. Levothyroxine Sodium205 claims
  4. Atorvastatin Calcium195 claims
  5. Metformin Hcl192 claims
  6. Enalapril Maleate186 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: 96.1 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 score92.2
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

2 hospital and facility affiliations

  1. Self Regional HealthcareGreenwood, SC · Acute Care Hospitals4 of 5 stars
  2. Self Medical GroupGreenwood, SC

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.

25 internal medicine physician records list a Greenwood practice address

They are 25 of the 1,262 NPPES records with a Greenwood 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 Orr Cobb, M.D.'s NPI number?

Orr Cobb, M.D.'s National Provider Identifier (NPI) is 1952397085, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Orr Cobb, M.D. located?

The NPPES record lists a practice address at 104 Liner Dr, Greenwood, SC, 29646. Phone: (864) 227-1115. Providers update this record themselves, so call before visiting.

How can I verify Orr Cobb, M.D.'s license?

NPPES lists South Carolina license number SC6105, 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 Orr Cobb, M.D. prescribe under Medicare Part D?

In 2024, Orr Cobb, M.D. had 5,759 Medicare Part D claims for 640 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Orr Cobb, M.D.'s Medicare quality score?

The 2023 MIPS final score is 96.1 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.