Registry data as of Aug 27, 2026

Sarah Thannisch, MD

Surgical Critical Care Physician · Little Rock, AR

Sarah Thannisch, MD is a surgical critical care physician with a practice address in Little Rock, Arkansas, and NPI 1598226748, issued on Mar 29, 2019. Check the license (Arkansas E-19547, as entered in NPPES) on the Arkansas State Medical Board; 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
1598226748
Name
Sarah Thannisch
Credential
MD
Primary taxonomy
Surgical Critical Care Physician 2086S0102X
License number
E-19547 AR
Self-reported in NPPES; status is on the state search
Practice location
4301 W Markham St # 520, Little Rock, AR 72205
Phone
(501) 686-6627
Enumerated
Mar 29, 2019
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 4301 W Markham St # 520

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

  1. John AdamsStudent in an Organized Health Care Education/Training Program1629911771
  2. Ajibola Bakare, MD/PHDStudent in an Organized Health Care Education/Training Program1629862636
  3. David BakerStudent in an Organized Health Care Education/Training Program1467193979
  4. Adrianne Basa, MDInternal Medicine Physician1538713623
  5. Scott Beckman, MDStudent in an Organized Health Care Education/Training Program1437904356
  6. Kaylie Behlmann, MDStudent in an Organized Health Care Education/Training Program1932049426

Verify Sarah Thannisch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license E-19547
    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 Arkansas 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.

79% fewer Medicare Part D claims than the average surgical critical care physician in 2024

16 Medicare Part D claims, against an average of 78 among the 534 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Sarah Thannisch16
  2. Specialty average78

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.

Surgical Critical Care Physician providers in Arkansas

There are 12 surgical critical care physician records in Arkansas.

Other surgical critical care physician records in Arkansas

  1. Nestor Arita, MDMountain Home, AR1124438072
  2. Nolan Bruce, M.D.Little Rock, AR1295154789
  3. Jorge Castro-Otero, M.D.Stuttgart, AR1124219381
  4. Melissa Kost, MDLittle Rock, AR1477811214
  5. Joseph Margolick, MD, FRCSCLittle Rock, AR1942862586
  6. Mandy Rice, D.O.Hot Springs, AR1083050702
  7. Matthew Roberts, M.D.Little Rock, AR1972921443
  8. Leigh Robinson, MDPine Bluff, AR1316331366
  9. Chelsea Scherz, APRNLittle Rock, AR1013759570
  10. Esther Teo, M.D.Little Rock, AR1477787091

Common questions

What is Sarah Thannisch, MD's NPI number?

Sarah Thannisch, MD's National Provider Identifier (NPI) is 1598226748, issued on Mar 29, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Thannisch, MD located?

The NPPES record lists a practice address at 4301 W Markham St # 520, Little Rock, AR, 72205. Phone: (501) 686-6627. Providers update this record themselves, so call before visiting.

How can I verify Sarah Thannisch, MD's license?

NPPES lists Arkansas license number E-19547, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sarah Thannisch, MD prescribe under Medicare Part D?

In 2024, Sarah Thannisch, MD had 16 Medicare Part D claims; the average among surgical critical care physician prescribers was 78. Part D covers Medicare prescriptions only.

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.