NPPES file of Aug 9, 2026

Efrat Feldman, M.D

Neurology Physician · Sioux Falls, SD

Efrat Feldman, M.D is a neurology physician with a practice address in Sioux Falls, South Dakota, and NPI 1821303959, issued on Aug 12, 2010. Check the license (South Dakota 10252, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821303959
Name
Efrat Feldman
Credential
M.D
Primary taxonomy
Neurology Physician 2084N0400X
License number
10252 SD
Self-reported in NPPES; status is on the state search
Practice location
1210 W 18TH St Ste 100, Sioux Falls, SD 57104
Phone
(605) 312-8500
Enumerated
Aug 12, 2010
Record last updated
Oct 3, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210302001568); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest neurology physician records → All 51 in South Dakota → Look up another NPI →

Also registered at 1210 W 18TH St Ste 100

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

  1. Ahmed Abd ElazimNeurology Physician1285157065
  2. Nessim Amin, MDNeurology Physician1316369523
  3. Hasmik Amirjanyan, MDNeurology Physician1396309670
  4. Alexis Blackwelder, FNPFamily Nurse Practitioner1588291744
  5. Santiago Diaz GonzalezNeurology Physician1619545993
  6. Kayla FaberGerontology Nurse Practitioner1184219560

Verify Efrat Feldman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 10252    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 Dakota 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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Bills Medicare through 2 group practices

  1. Mercy Inpatient Medical Associates IncSpringfield, MA
  2. Trinity Health OF New England Provider Network Organization IncHartford, CT

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

Efrat Feldman among 51 neurology physician records in South Dakota

Efrat Feldman, M.D is one of 51 neurology physician records with a practice address in South Dakota. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 55% of them.

  • NPI issued2010 · 55% of these records are older, 43% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2009 · median 2009 among the 41 with a school on file
  • Record last updated2017 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in South Dakota

There are 51 neurology physician records in South Dakota.

All 51 in South Dakota → Every provider in Sioux Falls → Neurology Physician nationwide →

The 8 neurology physician records with the nearest ZIP codes

  1. Ahmed Abd ElazimSioux Falls, SD 571041285157065
  2. Nessim Amin, MDSioux Falls, SD 571041316369523
  3. Hasmik Amirjanyan, MDSioux Falls, SD 571041396309670
  4. Mehwish FarooqiSioux Falls, SD 571041982199303
  5. Xuesheng Feng, MDSioux Falls, SD 571041881880987
  6. Jerome Freeman, MDSioux Falls, SD 571041609899665
  7. Fanny Jaquez, MDSioux Falls, SD 571041740212208
  8. Eugenio Matos, M.D.Sioux Falls, SD 571041023128444

Common questions

What is Efrat Feldman, M.D's NPI number?

Efrat Feldman, M.D's National Provider Identifier (NPI) is 1821303959, issued on Aug 12, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Efrat Feldman, M.D located?

The NPPES record lists a practice address at 1210 W 18TH St Ste 100, Sioux Falls, SD, 57104. Phone: (605) 312-8500. Providers update this record themselves, so call before visiting.

How can I verify Efrat Feldman, M.D's license?

NPPES lists South Dakota license number 10252, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.