NPPES file of Aug 9, 2026

Sarah Margaret O'Neill, PA

Medical Physician Assistant · Mount Pleasant, SC

Sarah Margaret O'Neill, PA is a medical physician assistant with a practice address in Mount Pleasant, South Carolina, and NPI 1700400728, issued on Jun 5, 2020. Check the license with the South Carolina board that licenses this profession; 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
1700400728
Name
Sarah Margaret O'Neill
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
Practice location
1625 Hospital Dr Ste 360, Mount Pleasant, SC 29464
Phone
(843) 936-5951
Enumerated
Jun 5, 2020
Record last updated
Dec 29, 2023
Medicare enrollment
Enrolled (PECOS I20240209000485); accepts Medicare assignment
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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Verify Sarah Margaret O'Neill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this professionCheck 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
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82% fewer Medicare Part D claims than the average medical physician assistant in 2024

212 Medicare Part D claims for 84 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 41 claims were for opioids.

  1. Sarah O'Neill212
  2. Specialty average1,148

Most prescribed

  1. Eliquis52 claims
  2. Diazepam31 claims
  3. Gabapentin31 claims
  4. Oxycodone Hcl20 claims
  5. Tramadol Hcl11 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: $1,968.74

14 payments; by number, the most common kind was food and beverage; the largest payer was Mimedx Group, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah O'Neill$1,968.74
  2. Specialty average$1,055.00

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. East Cooper Physician Group LLCMount Pleasant, SC

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

Sarah Margaret O'Neill among 493 medical physician assistant records in South Carolina

Sarah Margaret O'Neill, PA is one of 493 medical physician assistant records with a practice address in South Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.

  • NPI issued2020 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2023 · median 2014 among the 282 with a school on file
  • Record last updated2023 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in South Carolina

There are 493 medical physician assistant records in South Carolina.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Edward Burnside, PA-CMt Pleasant, SC 294641639492952
  2. Erin Copenhaver, PA-CMt Pleasant, SC 294641992079545
  3. Peter Forrester, PA-CMount Pleasant, SC 294641669677415
  4. Allyson Garrison, PAMt Pleasant, SC 294641073854956
  5. Ann Griffin, PA-CMt Pleasant, SC 294641710159033
  6. Joanna Harvey, P.A.Mount Pleasant, SC 294641316228679
  7. Sarette Kelley, PA-CMount Pleasant, SC 294641760804256
  8. Nicole Ketchin, PACMt Pleasant, SC 294641093741613

Common questions

What is Sarah Margaret O'Neill, PA's NPI number?

Sarah Margaret O'Neill, PA's National Provider Identifier (NPI) is 1700400728, issued on Jun 5, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Margaret O'Neill, PA located?

The NPPES record lists a practice address at 1625 Hospital Dr Ste 360, Mount Pleasant, SC, 29464. Phone: (843) 936-5951. Providers update this record themselves, so call before visiting.

How can I verify Sarah Margaret O'Neill, PA's license?

Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Sarah Margaret O'Neill, PA prescribe under Medicare Part D?

In 2024, Sarah Margaret O'Neill, PA had 212 Medicare Part D claims for 84 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.