Registry data as of Aug 27, 2026

Cassandra Patterson, MD

Internal Medicine Physician · Columbia, SC

Cassandra Patterson, MD is an internal medicine physician with a practice address in Columbia, South Carolina, and NPI 1851500821, issued on May 22, 2007. Check the license 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
1851500821
Name
Cassandra Patterson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
1750 Laurel St, Columbia, SC 29201
Phone
(803) 779-3378
Enumerated
May 22, 2007
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 1750 Laurel St

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

  1. Angie Cain, PAMedical Physician Assistant1659556892
  2. Nehal Desai, MDInternal Medicine Physician1801855622
  3. Patricia Head, FNP-BCFamily Nurse Practitioner1205822509
  4. Paul Plante, MDInternal Medicine Physician1508825464

Verify Cassandra Patterson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical ExaminersCheck 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.

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

7,498 Medicare Part D claims for 519 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. 82 claims were for opioids.

  1. Cassandra Patterson7,498
  2. Specialty average2,785

Most prescribed

  1. Amlodipine Besylate536 claims
  2. Atorvastatin Calcium384 claims
  3. Levothyroxine Sodium314 claims
  4. Pantoprazole Sodium233 claims
  5. Metoprolol Succinate197 claims
  6. Gabapentin180 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 practice group's Medicare quality score for 2023: 83 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score80.5
  2. Costout of 100 · 30%72.2
  3. Promoting interoperabilityout of 100 · 25%89.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $546.99

32 payments, mostly food and beverage; the largest payer was Abbott Laboratories. 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. Cassandra Patterson$546.99
  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.

One hospital or facility affiliation

  1. Lexington Health IncWest Columbia, 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.

359 internal medicine physician records list a Columbia practice address

They are 359 of the 11,200 NPPES records with a Columbia 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 Cassandra Patterson, MD's NPI number?

Cassandra Patterson, MD's National Provider Identifier (NPI) is 1851500821, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Patterson, MD located?

The NPPES record lists a practice address at 1750 Laurel St, Columbia, SC, 29201. Phone: (803) 779-3378. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Patterson, MD's license?

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 Cassandra Patterson, MD prescribe under Medicare Part D?

In 2024, Cassandra Patterson, MD had 7,498 Medicare Part D claims for 519 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Cassandra Patterson, MD's Medicare quality score?

The 2023 MIPS final score is 83 of 100, reported for the practice group. 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.