Robert T. Ferrell, MD
Obstetrics & Gynecology Physician · Yankton, SD
Robert T. Ferrell, MD is an obstetrics & gynecology physician with a practice address in Yankton, South Dakota, and NPI 1790786796, issued on Aug 2, 2005. Check the license (South Dakota 1529, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert T. Ferrell
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 1529 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1104 W 8TH St, Yankton, SD 57078
- Phone
- (605) 665-7841
- Enumerated
- Aug 2, 2005
- Record last updated
- Jun 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (605) 665-0546
- Medicaid ID
- 6200490 SD
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 99 in South Dakota → Look up another NPI →
Also registered at 1104 W 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amber Authier, PA-CMedical Physician Assistant1518679851
- Clarissa Barnes, M.D.Internal Medicine Physician1770758757
- Leann Bassing, M.D.Rheumatology Physician1871784124
Verify Robert T. Ferrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 1529Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
473 Medicare Part D claims for 71 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Estradiol50 claims
- Atorvastatin Calcium42 claims
- Levothyroxine Sodium37 claims
- Alendronate Sodium32 claims
- Rosuvastatin Calcium31 claims
- Simvastatin30 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.
Robert T. Ferrell among 99 obstetrics & gynecology physician records in South Dakota
Robert T. Ferrell, MD is one of 99 obstetrics & gynecology physician records with a practice address in South Dakota. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2020 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in South Dakota
There are 99 obstetrics & gynecology physician records in South Dakota.
All 99 in South Dakota → Every provider in Yankton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kevin Bray, MDYankton, SD 570781932100914
- Emma Bye, MDYankton, SD 570781316432271
- Amy Eichfeld, MDYankton, SD 570781336140201
- Jill Sternquist, MDYankton, SD 570781841498235
- Mary Meierhenry, MDSioux Falls, SD 571041013965466
- Jeanne Hassebroek-Johnson, M.D.Sioux Falls, SD 571051740286491
- Kristin Hermanson, MDSioux Falls, SD 571051770577967
- Laurie Landeen, M.D.Sioux Falls, SD 571051043216799
Common questions
What is Robert T. Ferrell, MD's NPI number?
Robert T. Ferrell, MD's National Provider Identifier (NPI) is 1790786796, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert T. Ferrell, MD located?
The NPPES record lists a practice address at 1104 W 8TH St, Yankton, SD, 57078. Phone: (605) 665-7841. Providers update this record themselves, so call before visiting.
How can I verify Robert T. Ferrell, MD's license?
NPPES lists South Dakota license number 1529, 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.
How much does Robert T. Ferrell, MD prescribe under Medicare Part D?
In 2024, Robert T. Ferrell, MD had 473 Medicare Part D claims for 71 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.