NPPES file of Aug 9, 2026

Hannah Simpson Greenberg

Physician Assistant · Charleston, SC

Hannah Simpson Greenberg is a physician assistant with a practice address in Charleston, South Carolina, and NPI 1376239525, issued on Apr 12, 2023. Check the license (South Carolina 4897, as entered in NPPES) 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
1376239525
Name
Hannah Simpson Greenberg
Primary taxonomy
Physician Assistant 363A00000X
License number
4897 SC
Self-reported in NPPES; status is on the state search
Practice location
316 Calhoun St, Charleston, SC 29401
Phone
(843) 442-1584
Enumerated
Apr 12, 2023
Record last updated
Apr 7, 2026
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 316 Calhoun St

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

  1. Taylor AdamPhysician Assistant1902576929
  2. Mary Ann Adiong, RNRegistered Nurse1396694287
  3. Elizabeth Alvarez, NPCritical Care Medicine Nurse Practitioner1295288421
  4. Andrew Anderson, M.D.Diagnostic Radiology Physician1073729711
  5. Selena Anderson, FNPFamily Nurse Practitioner1346737673
  6. Claire Andrew, MS, RDRegistered Dietitian1134970049

Verify Hannah Simpson Greenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 4897
    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
Find 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.

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69% fewer Medicare Part D claims than the average physician assistant in 2024

254 Medicare Part D claims for 185 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 25 claims were for opioids.

  1. Hannah Greenberg254
  2. Specialty average830

Most prescribed

  1. Naproxen27 claims
  2. Cephalexin21 claims
  3. Hydrocodone-Acetaminophen20 claims
  4. Methylprednisolone17 claims
  5. Prednisone17 claims
  6. Amoxicillin-Clavulanate Potass16 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: $20.94

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hannah Greenberg$20.94
  2. Specialty average$841.65

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

Hannah Simpson Greenberg among 2,294 physician assistant records in South Carolina

Hannah Simpson Greenberg is one of 2,294 physician assistant records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 76% of them.

  • NPI issued2023 · 76% of these records are older, 17% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2026 · 31% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

407 physician assistant records list a practice address in Charleston

They are 407 of the 10,840 NPPES records with a practice address in Charleston, and 2,294 physician assistant records in South Carolina.

The 8 physician assistant records with the nearest ZIP codes

  1. Ellen Baldino, P.A.Charleston, SC 294011215173372
  2. Adam Callahan, PA-CCharleston, SC 294011700038346
  3. Margaret Courtney, PACharleston, SC 294011851411037
  4. Karen Drawdy, PA-CCharleston, SC 294011346489580
  5. William Etheridge, PA-CCharleston, SC 294011467750315
  6. Deanne Fowler, PA-CCharleston, SC 294011801149752
  7. Whitney Jeffrey, PA-CCharleston, SC 294011073804183
  8. Stephen Keen, PA-CCharleston, SC 294011669797049

Common questions

What is Hannah Simpson Greenberg's NPI number?

Hannah Simpson Greenberg's National Provider Identifier (NPI) is 1376239525, issued on Apr 12, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Simpson Greenberg located?

The NPPES record lists a practice address at 316 Calhoun St, Charleston, SC, 29401. Phone: (843) 442-1584. Providers update this record themselves, so call before visiting.

How can I verify Hannah Simpson Greenberg's license?

NPPES lists South Carolina license number 4897, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Hannah Simpson Greenberg prescribe under Medicare Part D?

In 2024, Hannah Simpson Greenberg had 254 Medicare Part D claims for 185 beneficiaries; the average among physician assistant prescribers was 830. 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.