NPPES file of Aug 9, 2026

William Grant Hennigar, DMD

General Practice Dentistry · Grand Island, NY

William Grant Hennigar, DMD is a general practice dentistry with a practice address in Grand Island, New York, and NPI 1164641429, issued on Apr 25, 2007. Check the license (New York 30725, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164641429
Name
William Grant Hennigar
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
30725 NY
Self-reported in NPPES; status is on the state search
Practice location
2025 Whitehaven RD, Grand Island, NY 14072
Phone
(716) 773-1990
Enumerated
Apr 25, 2007
Record last updated
Jan 26, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(716) 773-2280
Medicaid ID
00607869 NY
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William Grant Hennigar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 30725
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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75% more Medicare Part D claims than the average general practice dentistry in 2024

145 Medicare Part D claims for 82 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. William Hennigar145
  2. Specialty average83

Most prescribed

  1. Clindamycin Hcl85 claims
  2. Amoxicillin29 claims
  3. Cephalexin21 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 Grant Hennigar among 7,828 general practice dentistry records in New York

William Grant Hennigar, DMD is one of 7,828 general practice dentistry records with a practice address in New York. 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 2007, is newer than 35% of them.

  • NPI issued2007 · 35% of these records are older, 35% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 79% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 general practice dentistry records list a practice address in Grand Island

They are 3 of the 230 NPPES records with a practice address in Grand Island, and 7,828 general practice dentistry records in New York.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Russell Colosi, DDSGrand Island, NY 140721497934186
  2. Ferdinand Ruocco, D.D.S.Grand Island, NY 140721912036039
  3. Priscilla Adams, DDSGowanda, NY 140701396752960
  4. Robert Dowrey, DDSGowanda, NY 140701538271937
  5. James Blake, DDSHamburg, NY 140751871517847
  6. Paul Chlosta, D.M.D.Hamburg, NY 140751649280447
  7. William Crossetta, DDSHamburg, NY 140751417978750
  8. Joseph Deluca, DDSHamburg, NY 140751376709931

Common questions

What is William Grant Hennigar, DMD's NPI number?

William Grant Hennigar, DMD's National Provider Identifier (NPI) is 1164641429, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Grant Hennigar, DMD located?

The NPPES record lists a practice address at 2025 Whitehaven RD, Grand Island, NY, 14072. Phone: (716) 773-1990. Providers update this record themselves, so call before visiting.

How can I verify William Grant Hennigar, DMD's license?

NPPES lists New York license number 30725, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does William Grant Hennigar, DMD prescribe under Medicare Part D?

In 2024, William Grant Hennigar, DMD had 145 Medicare Part D claims for 82 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.