Si-Yuen Moy, M.D.
Hematology & Oncology Physician · Siuox Falls, SD
Si-Yuen Moy, M.D. is a hematology & oncology physician with a practice address in Siuox Falls, South Dakota, and NPI 1649465162, issued on Sep 7, 2007. Check the license on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Si-Yuen Moy
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 234766 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2501 West 22ND Street, Siuox Falls, SD 57117
- Phone
- (605) 336-3230
- Enumerated
- Sep 7, 2007
- Record last updated
- Oct 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (605) 333-5380
- Medicaid ID
- 03231550 NY
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 31 in South Dakota → Look up another NPI →
Verify Si-Yuen Moy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $145.68
1 payment: food and beverage; the largest payer was BeiGene USA, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Si-Yuen Moy among 31 hematology & oncology physician records in South Dakota
Si-Yuen Moy, M.D. is one of 31 hematology & oncology physician records with a practice address in South Dakota. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 39% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2011 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in South Dakota
There are 31 hematology & oncology physician records in South Dakota.
All 31 in South Dakota → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Roberto Ferro Valdes, M.D.Sioux Falls, SD 571051861780108
- Mark Huber, M.D.Sioux Falls, SD 571051750357299
- Waqas Jehangir, MD, MBBSSioux Falls, SD 571051659752541
- Kelly McCaul, M.D.Sioux Falls, SD 571051295701522
- Michael McHale, MDSioux Falls, SD 571051124017256
- Heidi McKean, MDSioux Falls, SD 571051992714281
- Houman Nourkeyhani, M.D.Sioux Falls, SD 571051184935652
- Vinod Parameswaran, M.D.Sioux Falls, SD 571051013983352
Common questions
What is Si-Yuen Moy, M.D.'s NPI number?
Si-Yuen Moy, M.D.'s National Provider Identifier (NPI) is 1649465162, issued on Sep 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Si-Yuen Moy, M.D. located?
The NPPES record lists a practice address at 2501 West 22ND Street, Siuox Falls, SD, 57117. Phone: (605) 336-3230. Providers update this record themselves, so call before visiting.
How can I verify Si-Yuen Moy, M.D.'s license?
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.
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.