Doctor profile · Federal record

Dr. Ryan Gianatasio, M.D.

Vascular Neurology Physician (CMS: Neurology) · Neurology Physician · Vascular Neurology Physician · Vascular Neurology Physician · Vascular Neurology Physician · Rapid City, SD

  • NPI 1144489550
  • Accepts Medicare
  • MIPS 87.3 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 5 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
677 Cathedral Dr
Rapid City, SD 577016018
(605) 755-4150
Additional location
205 S Front St Fl 6
Harrisburg, PA 171041619
(717) 988-9370

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
November 9, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
2084V0102X — NUCC code
State licenses (5)
South Dakota #14259 · Texas #P3532 · South Carolina #83282 · New York #260100 · Pennsylvania #MD481374

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144489550. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
124
Distinct HCPCS
6
Medicare allowed
$19,235
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 37 26 $77
36223 Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist 20 20 $304
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 20 20 $318
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 16 16 $12
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $126
99284 Emergency department visit with moderate level of medical decision making 15 15 $116

In context: peer comparison

Among 1 peers in Rapid City Vascular Neurology Physician, average services per provider: 20. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$753
Transactions
20
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
DePuy Synthes Sales INC. 15 $474.06
Route 92 Medical, INC. 1 $162.82
Chiesi USA, INC. 2 $42.93
Qapel Medical INC 1 $37.78
Medtronic, INC. 1 $35.28

By nature of payment

Food and Beverage
$753

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Gianatasio's medical specialty?
Dr. Ryan Gianatasio practices Vascular Neurology Physician in Rapid City, SD.
Where does Dr. Ryan Gianatasio practice?
Dr. Ryan Gianatasio practices at 677 Cathedral Dr, Rapid City, SD 577016018. Office phone: 6057554150.
What is Dr. Ryan Gianatasio's NPI?
Dr. Ryan Gianatasio's National Provider Identifier (NPI) is 1144489550, issued by NPPES.
Does Dr. Ryan Gianatasio accept Medicare assignment?
Yes. Dr. Ryan Gianatasio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Gianatasio commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist (HCPCS 36223); Insertion of tube into brain artery for diagnosis or treatment with review by radiologist (HCPCS 36226). Source: CMS Medicare Physician & Other Practitioners file.