Ferdinand E. K. Addo, MD
Hematology & Oncology Physician · Watertown, SD
Ferdinand E. K. Addo, MD is a hematology & oncology physician with a practice address in Watertown, South Dakota, and NPI 1760461388, issued on Jan 12, 2006. Check the license (South Dakota 9624, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Ferdinand E. K. Addo
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 9624 SD
6234 ND
Self-reported in NPPES; status is on the state search - Practice location
- 401 9TH Ave NW, Watertown, SD 57201
- Phone
- (605) 882-6800
- Enumerated
- Jan 12, 2006
- Record last updated
- Sep 8, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (605) 882-6831
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 31 in South Dakota → Look up another NPI →
Also registered at 401 9TH Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ghaith Aboud, M.DInternal Medicine Physician1497117618
- Christopher Adducci, MDUrology Physician1598709750
- Kayla Aman, RD, LNRegistered Dietitian1891007837
- Bipinkumar Amin, MDHematology & Oncology Physician1568415628
- Hamid Assadi, MDFamily Medicine Physician1841671872
- Katelynn Bailey, DOEmergency Medicine Physician1972023083
Verify Ferdinand E. K. Addo 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 9624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
15 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
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.
Ferdinand E. K. Addo among 31 hematology & oncology physician records in South Dakota
Ferdinand E. K. Addo, MD 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 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 55% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2015 · 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 → Every provider in Watertown → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Bipinkumar Amin, MDWatertown, SD 572011568415628
- Si-Yuen Moy, M.D.Siuox Falls, SD 571171649465162
- 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
Common questions
What is Ferdinand E. K. Addo, MD's NPI number?
Ferdinand E. K. Addo, MD's National Provider Identifier (NPI) is 1760461388, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ferdinand E. K. Addo, MD located?
The NPPES record lists a practice address at 401 9TH Ave NW, Watertown, SD, 57201. Phone: (605) 882-6800. Providers update this record themselves, so call before visiting.
How can I verify Ferdinand E. K. Addo, MD's license?
NPPES lists South Dakota license number 9624, 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 Ferdinand E. K. Addo, MD prescribe under Medicare Part D?
In 2024, Ferdinand E. K. Addo, MD had 15 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.