Spencer Lee Gross, DDS
Dentist · Sioux Falls, SD
Spencer Lee Gross, DDS is a dentist with a practice address in Sioux Falls, South Dakota, and NPI 1194218099, issued on Jun 14, 2018. Check the license (South Dakota D1199, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Spencer Lee Gross
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- D1199 SD
Self-reported in NPPES; status is on the state search - Practice location
- 4501 E 41St St, Sioux Falls, SD 57110
- Phone
- (605) 339-1369
- Enumerated
- Jun 14, 2018
- Record last updated
- Jun 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 235 in South Dakota → Look up another NPI →
Also registered at 4501 E 41St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samuel DernerDentist1417887381
Verify Spencer Lee Gross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license D1199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average dentist in 2024
41 Medicare Part D claims for 31 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin24 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.
Spencer Lee Gross among 235 dentist records in South Dakota
Spencer Lee Gross, DDS is one of 235 dentist records with a practice address in South Dakota. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2018 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in South Dakota
There are 235 dentist records in South Dakota.
All 235 in South Dakota → Every provider in Sioux Falls → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Samuel DernerSioux Falls, SD 571101417887381
- Joie Fan, DDSSioux Falls, SD 571101669049755
- Peyton Kuchenbecker, DDSSioux Falls, SD 571101760377873
- Chelsea Kuipers, D.D.S.Sioux Falls, SD 571101619296019
- Ryon Reckling, D.D.S.Sioux Falls, SD 571101841362266
- Haley Rozeboom, DDSSioux Falls, SD 571101033896790
- Andrew Schuiteman, DDSSioux Falls, SD 571101447830682
- Nichol Smith, DDSSioux Falls, SD 571101487724779
Common questions
What is Spencer Lee Gross, DDS's NPI number?
Spencer Lee Gross, DDS's National Provider Identifier (NPI) is 1194218099, issued on Jun 14, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Lee Gross, DDS located?
The NPPES record lists a practice address at 4501 E 41St St, Sioux Falls, SD, 57110. Phone: (605) 339-1369. Providers update this record themselves, so call before visiting.
How can I verify Spencer Lee Gross, DDS's license?
NPPES lists South Dakota license number D1199, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Spencer Lee Gross, DDS prescribe under Medicare Part D?
In 2024, Spencer Lee Gross, DDS had 41 Medicare Part D claims for 31 beneficiaries; the average among dentist prescribers was 86. 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.