Christopher Joseph Sumey, M.D.
Hematology & Oncology Physician · Sioux Falls, SD
Christopher Joseph Sumey, M.D. is a hematology & oncology physician with a practice address in Sioux Falls, South Dakota, and NPI 1588836548, issued on Mar 31, 2008. Check the license (South Dakota 9500, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Christopher Joseph Sumey
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 9500 SD
49919 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1309 W 17TH St Ste, Sioux Falls, SD 57104
- Phone
- (605) 328-8000
- Enumerated
- Mar 31, 2008
- Record last updated
- Aug 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (605) 328-8001
- Medicare enrollment
- Enrolled (PECOS I20150818003552); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Verify Christopher Joseph Sumey 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 9500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,543 Medicare Part D claims for 259 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 70 claims were for opioids.
Most prescribed
- Prednisone181 claims
- Abiraterone Acetate113 claims
- Dexamethasone112 claims
- Prochlorperazine Maleate110 claims
- Acyclovir87 claims
- Sulfamethoxazole-Trimethoprim58 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $29.33
1 payment: food and beverage; the largest payer was Tempus AI, 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.
Bills Medicare through one group practice
- Sanford Medical CenterSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in South Dakota
There are 31 hematology & oncology physician records in South Dakota.
Other hematology & oncology physician records in South Dakota
- Ferdinand Addo, MDWatertown, SD1760461388
- Bayan Al Share, MDRapid City, SD1235582065
- Ghassan Al-Shbool, MDRapid City, SD1215450937
- Bipinkumar Amin, MDWatertown, SD1568415628
- Jonathan Bleeker, MDSioux Falls, SD1457573974
- Richard Conklin, MDAberdeen, SD1851394662
- Max Farver, MDYankton, SD1548261548
- Roberto Ferro Valdes, M.D.Sioux Falls, SD1861780108
- Keely Hack, M.D.Sioux Falls, SD1184743148
- Mark Huber, M.D.Sioux Falls, SD1750357299
Common questions
What is Christopher Joseph Sumey, M.D.'s NPI number?
Christopher Joseph Sumey, M.D.'s National Provider Identifier (NPI) is 1588836548, issued on Mar 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Joseph Sumey, M.D. located?
The NPPES record lists a practice address at 1309 W 17TH St Ste, Sioux Falls, SD, 57104. Phone: (605) 328-8000. Providers update this record themselves, so call before visiting.
How can I verify Christopher Joseph Sumey, M.D.'s license?
NPPES lists South Dakota license number 9500, 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 Christopher Joseph Sumey, M.D. prescribe under Medicare Part D?
In 2024, Christopher Joseph Sumey, M.D. had 1,543 Medicare Part D claims for 259 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Christopher Joseph Sumey, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.7 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.