Colleen Mary Guilliat, D.D.S.
General Practice Dentistry · Port Huron, MI
Colleen Mary Guilliat, D.D.S. is a general practice dentistry with a practice address in Port Huron, Michigan, and NPI 1912067588, issued on Dec 12, 2006. Check the license (Michigan 2901017701, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colleen Mary Guilliat
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2901017701 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4018 Lapeer RD, Port Huron, MI 48060
- Phone
- (810) 987-3823
- Enumerated
- Dec 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (810) 987-0182
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,088 in Michigan → Look up another NPI →
Also registered at 4018 Lapeer RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Darghali, D.D.S.Dentist1184005852
Verify Colleen Mary Guilliat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901017701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average general practice dentistry in 2024
55 Medicare Part D claims for 45 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
- Amoxicillin24 claims
- Penicillin V Potassium16 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.
Colleen Mary Guilliat among 4,088 general practice dentistry records in Michigan
Colleen Mary Guilliat, D.D.S. is one of 4,088 general practice dentistry records with a practice address in Michigan. 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 63% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 74% 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 Michigan 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 Port Huron
They are 22 of the 1,657 NPPES records with a practice address in Port Huron, and 4,088 general practice dentistry records in Michigan.
All 4,088 in Michigan → Every provider in Port Huron → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Paulette Bass, D.D.S.Port Huron, MI 480601174565220
- David Bolla, D.D.S.Port Huron, MI 480601366658171
- Jill Brion, DDSPort Huron, MI 480601033269774
- Kevin Carolan, D.D.S.Port Huron, MI 480601184629453
- James Cotter, D.D.S.Port Huron, MI 480601528274339
- James Fraser, DDSPort Huron, MI 480601285793307
- Ralph Gillhooley, DDSPort Huron, MI 480601326198060
- Kris Overly, D.D.S.Port Huron, MI 480601144322660
Common questions
What is Colleen Mary Guilliat, D.D.S.'s NPI number?
Colleen Mary Guilliat, D.D.S.'s National Provider Identifier (NPI) is 1912067588, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Mary Guilliat, D.D.S. located?
The NPPES record lists a practice address at 4018 Lapeer RD, Port Huron, MI, 48060. Phone: (810) 987-3823. Providers update this record themselves, so call before visiting.
How can I verify Colleen Mary Guilliat, D.D.S.'s license?
NPPES lists Michigan license number 2901017701, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Colleen Mary Guilliat, D.D.S. prescribe under Medicare Part D?
In 2024, Colleen Mary Guilliat, D.D.S. had 55 Medicare Part D claims for 45 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.