Galen Giaccone Cullen, D.D.S.
General Practice Dentistry · Milton, DE
Galen Giaccone Cullen, D.D.S. is a general practice dentistry with a practice address in Milton, Delaware, and NPI 1457747362, issued on Apr 8, 2015. Check the license (Delaware G1-0001376, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Galen Giaccone Cullen
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- G1-0001376 DE
Self-reported in NPPES; status is on the state search - Practice location
- 524 Union St, Milton, DE 19968
- Phone
- (302) 684-1100
- Enumerated
- Apr 8, 2015
- Record last updated
- Feb 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 245 in Delaware → Look up another NPI →
Verify Galen Giaccone Cullen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license G1-0001376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average general practice dentistry in 2024
34 Medicare Part D claims for 31 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
- Amoxicillin20 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: $25.00
1 payment: education; the largest payer was Hu-Friedy Mfg. Co., LLC. 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.
Galen Giaccone Cullen among 245 general practice dentistry records in Delaware
Galen Giaccone Cullen, D.D.S. is one of 245 general practice dentistry records with a practice address in Delaware. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 69% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Dentistry providers in Delaware
There are 245 general practice dentistry records in Delaware.
All 245 in Delaware → Every provider in Milton → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Paul Collins, D.D.S.Millsboro, DE 199661003936873
- Jahne BristowRehoboth Beach, DE 199711942723523
- Jeffrey Cooper, D.M.D.Rehoboth Beach, DE 199711801005475
- Daniel Luckenbaugh, DDSRehoboth Beach, DE 199711104184936
- Dominic Prestipino, DDSRehoboth Beach, DE 199711780264150
- Stephanie SmithRehoboth Beach, DE 199711992445456
- Katherine Townsend, D.M.D.Rehoboth Beach, DE 199711568721017
- Dustin Venables, DMDRehoboth Beach, DE 199711629644844
Common questions
What is Galen Giaccone Cullen, D.D.S.'s NPI number?
Galen Giaccone Cullen, D.D.S.'s National Provider Identifier (NPI) is 1457747362, issued on Apr 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Galen Giaccone Cullen, D.D.S. located?
The NPPES record lists a practice address at 524 Union St, Milton, DE, 19968. Phone: (302) 684-1100. Providers update this record themselves, so call before visiting.
How can I verify Galen Giaccone Cullen, D.D.S.'s license?
NPPES lists Delaware license number G1-0001376, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Galen Giaccone Cullen, D.D.S. prescribe under Medicare Part D?
In 2024, Galen Giaccone Cullen, D.D.S. had 34 Medicare Part D claims for 31 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.