NPPES file of Aug 9, 2026

David Harris Schaffer, MD

Medical Toxicology (Emergency Medicine) Physician · Greenville, SC

David Harris Schaffer, MD is a medical toxicology (emergency medicine) physician with a practice address in Greenville, South Carolina, and NPI 1982192456, issued on Apr 30, 2018. Check the license (South Carolina 91878, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982192456
Name
David Harris Schaffer
Credential
MD
Primary taxonomy
Medical Toxicology (Emergency Medicine) Physician 207PT0002X
License numbers
91878 SC
0101273740 VA
Self-reported in NPPES; status is on the state search
Practice location
701 Grove RD FL 1, Greenville, SC 29605
Phone
(864) 455-7899
Enumerated
Apr 30, 2018
Record last updated
Aug 2, 2024
Fax
(864) 455-5474
Medicare enrollment
Enrolled (PECOS I20240724001101); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2018
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.
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Also registered at 701 Grove RD FL 1

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

  1. Katherine AldenPsychiatry Physician1598405649
  2. Judson Alderman, M.D.Emergency Medicine Physician1043667629
  3. Henrique Alencastro Puls, MDCritical Care Medicine (Anesthesiology) Physician1568969723
  4. Fariya Ali, M.D.Psychiatry Physician1891220497
  5. Jordan AllenEmergency Medicine Physician1154958452
  6. Wallace Anderson, MDEmergency Medicine Physician1467080762

Verify David Harris Schaffer 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 91878
    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

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75% fewer Medicare Part D claims than the average medical toxicology (emergency medicine) physician in 2024

34 Medicare Part D claims for 28 beneficiaries, against an average of 138 among the 103 providers of this specialty who prescribed in Part D.

  1. David Schaffer34
  2. Specialty average138

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 MIPS final score for 2023 (Medicare payment program): 79.4 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 score73.7
  2. Costout of 100 · 30%57.7
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Prisma Health University Medical GroupGreenville, SC

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

Medical Toxicology (Emergency Medicine) Physician providers in South Carolina

There are 7 medical toxicology (emergency medicine) physician records in South Carolina.

The 6 medical toxicology (emergency medicine) physician records with the nearest ZIP codes

  1. Natalie Ebeling-KoningGreenville, SC 296051508358821
  2. Kim-Long Nguyen, MDGreenville, SC 296051467013045
  3. Jessica Winkels, MDGreenville, SC 296051275159600
  4. Nicholas Connors, MDCharleston, SC 294251366604944
  5. Lewis Hardison, D.O., MPHColumbia, SC 292031568601870
  6. William Richardson, MDColumbia, SC 292031831160506

Common questions

What is David Harris Schaffer, MD's NPI number?

David Harris Schaffer, MD's National Provider Identifier (NPI) is 1982192456, issued on Apr 30, 2018. An NPI identifies a provider in billing; it is not a license.

Where is David Harris Schaffer, MD located?

The NPPES record lists a practice address at 701 Grove RD FL 1, Greenville, SC, 29605. Phone: (864) 455-7899. Providers update this record themselves, so call before visiting.

How can I verify David Harris Schaffer, MD's license?

NPPES lists South Carolina license number 91878, 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 David Harris Schaffer, MD prescribe under Medicare Part D?

In 2024, David Harris Schaffer, MD had 34 Medicare Part D claims for 28 beneficiaries; the average among medical toxicology (emergency medicine) physician prescribers was 138. Part D covers Medicare prescriptions only.

What is David Harris Schaffer, MD's MIPS final score?

The 2023 MIPS final score is 79.4 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), 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.