NPPES file of Aug 9, 2026

Hannah Michelle Istre-Wilz, MD

Internal Medicine Physician · Charleston, SC

Hannah Michelle Istre-Wilz, MD is an internal medicine physician with a practice address in Charleston, South Carolina, and NPI 1285375279, issued on Apr 5, 2022. Check the license (South Carolina LL90145, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285375279
Name
Hannah Michelle Istre-Wilz
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
LL90145 SC
Self-reported in NPPES; status is on the state search
Practice location
169 Ashley Ave, Charleston, SC 29425
Phone
(843) 460-8624
Enumerated
Apr 5, 2022
Record last updated
Jun 19, 2023
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 169 Ashley Ave

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

  1. Yusuf Aboutabl, MDAnesthesiology Physician1164358107
  2. Claire Adcock, MDDiagnostic Radiology Physician1194352021
  3. George Adly, MDInternal Medicine Physician1942824115
  4. Ahmad Aleisa, MDInternal Medicine Physician1043735095
  5. Biff Alexander, MDPsychiatry Physician1619893641
  6. Margaret Allen, MDPediatrics Physician1598505026

Verify Hannah Michelle Istre-Wilz 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 LL90145
    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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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

363 Medicare Part D claims for 197 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Hannah Istre-Wilz363
  2. Specialty average3,176

Most prescribed

  1. Erythromycin107 claims
  2. Prednisolone Acetate29 claims
  3. Latanoprost18 claims
  4. Brimonidine Tartrate17 claims
  5. Moxifloxacin14 claims
  6. Timolol Maleate14 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: $968.73

10 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hannah Istre-Wilz$968.73
  2. Specialty average$1,303.06

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

Hannah Michelle Istre-Wilz among 1,881 internal medicine physician records in South Carolina

Hannah Michelle Istre-Wilz, MD is one of 1,881 internal medicine physician 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 2022, is newer than 82% of them.

  • NPI issued2022 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2023 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

427 internal medicine physician records list a practice address in Charleston

They are 427 of the 10,840 NPPES records with a practice address in Charleston, and 1,881 internal medicine physician records in South Carolina.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sujeev Bains, MDCharleston, SC 294251609889989
  2. Elisha Brownfield, MDCharleston, SC 294251639287683
  3. Ernest Clyburn, MDCharleston, SC 294251235247271
  4. Kimberly Davis, MDCharleston, SC 294251366550311
  5. John Feussner, MDCharleston, SC 294251689782534
  6. Jennifer Goldstein, MDCharleston, SC 294251164472593
  7. Robert Ishak, M.D.Charleston, SC 294251295727790
  8. Brad Keith, MDCharleston, SC 294251578671442

Common questions

What is Hannah Michelle Istre-Wilz, MD's NPI number?

Hannah Michelle Istre-Wilz, MD's National Provider Identifier (NPI) is 1285375279, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Michelle Istre-Wilz, MD located?

The NPPES record lists a practice address at 169 Ashley Ave, Charleston, SC, 29425. Phone: (843) 460-8624. Providers update this record themselves, so call before visiting.

How can I verify Hannah Michelle Istre-Wilz, MD's license?

NPPES lists South Carolina license number LL90145, 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 Hannah Michelle Istre-Wilz, MD prescribe under Medicare Part D?

In 2024, Hannah Michelle Istre-Wilz, MD had 363 Medicare Part D claims for 197 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.