William Thomas Grask, D.D.S.
General Practice Dentistry · Clive, IA
William Thomas Grask, D.D.S. is a general practice dentistry with a practice address in Clive, Iowa, and NPI 1649437054, issued on May 22, 2008. Check the license (Iowa 07734, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Thomas Grask
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 07734 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 NW 114TH St, Clive, IA 50325
- Phone
- (515) 221-0381
- Enumerated
- May 22, 2008
- Record last updated
- May 22, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,239 in Iowa → Look up another NPI →
Also registered at 1601 NW 114TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristi Blomberg, MDFamily Medicine Physician1750392809
- Gary Bremen, DOFamily Medicine Physician1689781676
- Ruby Cureg, MDPediatrics Physician1225147333
- Steven Dawdy, PH.D.Clinical Child & Adolescent Psychologist1144264623
- Debra Dean, ARNPFamily Nurse Practitioner1275994758
- Stephen Eckstat, DOFamily Medicine Physician1053322263
Verify William Thomas Grask in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 07734Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average general practice dentistry in 2024
87 Medicare Part D claims for 49 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin58 claims
- Penicillin V Potassium15 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.
William Thomas Grask among 1,239 general practice dentistry records in Iowa
William Thomas Grask, D.D.S. is one of 1,239 general practice dentistry records with a practice address in Iowa. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2008 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 general practice dentistry records list a practice address in Clive
They are 6 of the 627 NPPES records with a practice address in Clive, and 1,239 general practice dentistry records in Iowa.
All 1,239 in Iowa → Every provider in Clive → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Fariha Baig, DDSClive, IA 503251154389062
- Leslie Ehlen, D.D.S.Clive, IA 503251639377369
- Andrew Majeran, D.M.D.Clive, IA 503251508093857
- Erin McLaughlin, D.D.S.Clive, IA 503251174721609
- Douglas Pick, DDSClive, IA 503251215066741
- Jason Brown, DDSPleasant Hill, IA 503271134417041
- Aaron Jones, DDSPleasant Hill, IA 503271528597457
- Gregory Konchar, D.D.S.Pleasant Hill, IA 503271275672313
Common questions
What is William Thomas Grask, D.D.S.'s NPI number?
William Thomas Grask, D.D.S.'s National Provider Identifier (NPI) is 1649437054, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William Thomas Grask, D.D.S. located?
The NPPES record lists a practice address at 1601 NW 114TH St, Clive, IA, 50325. Phone: (515) 221-0381. Providers update this record themselves, so call before visiting.
How can I verify William Thomas Grask, D.D.S.'s license?
NPPES lists Iowa license number 07734, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does William Thomas Grask, D.D.S. prescribe under Medicare Part D?
In 2024, William Thomas Grask, D.D.S. had 87 Medicare Part D claims for 49 beneficiaries; the average among general practice dentistry prescribers was 83. 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.