Greg Daniel Hawthorne, DDS
General Practice Dentistry · Ames, IA
Greg Daniel Hawthorne, DDS is a general practice dentistry with a practice address in Ames, Iowa, and NPI 1023160439, issued on Jan 17, 2007. Check the license (Iowa 8109, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Greg Daniel Hawthorne
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 8109 IA
Self-reported in NPPES; status is on the state search - Practice location
- 616 Fifth Street, Ames, IA 50010
- Phone
- (515) 232-5401
- Enumerated
- Jan 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (515) 233-1804
- Medicaid ID
- 0239897 IA
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,239 in Iowa → Look up another NPI →
Also registered at 616 Fifth Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Neil Calhoun, DDSGeneral Practice Dentistry1730231143
Verify Greg Daniel Hawthorne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 8109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average general practice dentistry in 2024
60 Medicare Part D claims for 43 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
- Amoxicillin42 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.
Industry payments in 2024: $163.00
2 payments; by number, the most common kind was gift; the largest payer was A-dec, Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
Greg Daniel Hawthorne among 1,239 general practice dentistry records in Iowa
Greg Daniel Hawthorne, DDS 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).
22 general practice dentistry records list a practice address in Ames
They are 22 of the 1,249 NPPES records with a practice address in Ames, and 1,239 general practice dentistry records in Iowa.
All 1,239 in Iowa → Every provider in Ames → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- William Brannan, D.D.S.Ames, IA 500101851434377
- Neil Calhoun, DDSAmes, IA 500101730231143
- John Clary, DDSAmes, IA 500101962584151
- Mary Consamus, DDSAmes, IA 500101699848812
- Joseph Consamus, DDSAmes, IA 500101275606493
- Charles Egeland, D.D.S.Ames, IA 500101316055635
- Joseph GlotfeltyAmes, IA 500101609927912
- Craig Grandgenett, DDSAmes, IA 500101285720235
Common questions
What is Greg Daniel Hawthorne, DDS's NPI number?
Greg Daniel Hawthorne, DDS's National Provider Identifier (NPI) is 1023160439, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Greg Daniel Hawthorne, DDS located?
The NPPES record lists a practice address at 616 Fifth Street, Ames, IA, 50010. Phone: (515) 232-5401. Providers update this record themselves, so call before visiting.
How can I verify Greg Daniel Hawthorne, DDS's license?
NPPES lists Iowa license number 8109, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Greg Daniel Hawthorne, DDS prescribe under Medicare Part D?
In 2024, Greg Daniel Hawthorne, DDS had 60 Medicare Part D claims for 43 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.