NPPES file of Aug 9, 2026

Ryan Gianatasio, M.D.

Vascular Neurology Physician · Rapid City, SD

Ryan Gianatasio, M.D. is a vascular neurology physician with a practice address in Rapid City, South Dakota, and NPI 1144489550, issued on Jun 2, 2008. Check the license (South Dakota 14259, 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144489550
Name
Ryan Gianatasio
Credential
M.D.
Primary taxonomy
Vascular Neurology Physician 2084V0102X
License numbers
14259 SD
260100 NY
MD481374 PA
83282 SC
P3532 TX
Self-reported in NPPES; status is on the state search
Practice location
677 Cathedral Dr, Rapid City, SD 57701
Phone
(605) 755-4150
Enumerated
Jun 2, 2008
Record last updated
Nov 9, 2023
Medicare enrollment
Enrolled (PECOS I20230620003249); accepts Medicare assignment
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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Also registered at 677 Cathedral Dr

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

  1. Carrie BossmanClinical Social Worker1932570082
  2. Anthony Diehl, MDObstetrics & Gynecology Physician1053342691
  3. Mikelle Eliason, CNPFamily Nurse Practitioner1568200772
  4. Mohamadmostafa Jahansouz, MDNeurology Physician1275160244
  5. Michelle Krohn, D.OObstetrics & Gynecology Physician1255698767
  6. Cara LemmonPhysician Assistant1831582949

Verify Ryan Gianatasio 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 14259
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 87.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.6
  2. Costout of 100 · 30%81.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $752.87

20 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 461 providers of this specialty with any payment received $3,770.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ryan Gianatasio$752.87
  2. Specialty average$3,770.65

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

Bills Medicare through one group practice

  1. Monument Health Rapid City Hospital IncRapid City, SD

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

Vascular Neurology Physician providers in South Dakota

There are 4 vascular neurology physician records in South Dakota.

The 3 vascular neurology physician records with the nearest ZIP codes

  1. Erica Stoddard, MDRapid City, SD 577011871080846
  2. Alex Linn, M.D.Sioux Falls, SD 571051003177338
  3. Divyajot Sandhu, M.D.Sioux Falls, SD 571041790915973

Common questions

What is Ryan Gianatasio, M.D.'s NPI number?

Ryan Gianatasio, M.D.'s National Provider Identifier (NPI) is 1144489550, issued on Jun 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Gianatasio, M.D. located?

The NPPES record lists a practice address at 677 Cathedral Dr, Rapid City, SD, 57701. Phone: (605) 755-4150. Providers update this record themselves, so call before visiting.

How can I verify Ryan Gianatasio, M.D.'s license?

NPPES lists South Dakota license number 14259, 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.

What is Ryan Gianatasio, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.