William F. May, D.D.S.
General Practice Dentistry · Dubuque, IA
William F. May, D.D.S. is a general practice dentistry with a practice address in Dubuque, Iowa, and NPI 1265599906, issued on Jan 2, 2007. Check the license (Iowa 7034, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William F. May
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 7034 IA
Self-reported in NPPES; status is on the state search - Practice location
- 989 Langworthy St, Dubuque, IA 52001
- Phone
- (563) 583-2681
- Enumerated
- Jan 2, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (583) 563-6303
- Medicaid ID
- 1222596 IA
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,239 in Iowa → Look up another NPI →
Also registered at 989 Langworthy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily May, D.D.S.Dentist1285947739
- Lindsey May, D.D.S.Dentist1265664056
Verify William F. May in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 7034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average general practice dentistry in 2024
182 Medicare Part D claims for 104 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin86 claims
- Clindamycin Hcl24 claims
- Chlorhexidine Gluconate20 claims
- Cephalexin19 claims
- Valacyclovir14 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 F. May among 1,239 general practice dentistry records in Iowa
William F. May, 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 41% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2007 · 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).
32 general practice dentistry records list a practice address in Dubuque
They are 32 of the 1,468 NPPES records with a practice address in Dubuque, and 1,239 general practice dentistry records in Iowa.
All 1,239 in Iowa → Every provider in Dubuque → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Krista Berryhill, DDSDubuque, IA 520011396087284
- Robin Briggs, DDSDubuque, IA 520011952447658
- Allison Heider, DDSDubuque, IA 520011174834410
- Paul Hoffmann, D.D.S., P.C.Dubuque, IA 520011174639918
- Ellen Hoy, DDSDubuque, IA 520011184831653
- Anthony Kalb, DDSDubuque, IA 520011528197845
- Kevin Kane, DDSDubuque, IA 520011073674503
- Nicholas Kane, D.D.SDubuque, IA 520011063725844
Common questions
What is William F. May, D.D.S.'s NPI number?
William F. May, D.D.S.'s National Provider Identifier (NPI) is 1265599906, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William F. May, D.D.S. located?
The NPPES record lists a practice address at 989 Langworthy St, Dubuque, IA, 52001. Phone: (563) 583-2681. Providers update this record themselves, so call before visiting.
How can I verify William F. May, D.D.S.'s license?
NPPES lists Iowa license number 7034, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does William F. May, D.D.S. prescribe under Medicare Part D?
In 2024, William F. May, D.D.S. had 182 Medicare Part D claims for 104 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.