Dr. Gregory James Thomas
DDS, MS | Oral and Maxillofacial Surgeon | 41+ years Exp
29427 Ryan Rd, Warren
Michigan, 48092-2203
586-755-9340 586-755-1081
Maps & DirectionsDr. Gregory James Thomas is a Warren, Michigan based Oral and Maxillofacial Surgeon with
41 years of experience in
Oral and Maxillofacial Surgery. He completed his graduation from
University Of Detroit Mercy School Of Dentistry in 1984 He is also affiliated with hospitals like
. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Gregory James Thomas is
2901013883 in Michigan. His current practice location is
29427 Ryan Rd, Warren. Patients can reach him at
586-755-9340.
Dr. Gregory James Thomas deals with the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
Complete Profile:
Dr. Gregory James Thomas speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Dr. Gregory James Thomas |
| Specialization: | Oral and Maxillofacial Surgeon |
| Gender: | Male |
| Credentials: | DDS, MS |
| Experience: | 41+ years |
| Medical School Attended: | University Of Detroit Mercy School Of Dentistry |
| Graduation Year: | 1984 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 29427 Ryan Rd, Warren,
Michigan, 48092-2203 |
| Phone: | 586-755-9340 |
| Fax: | 586-755-1081 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 1850368150 |
| Enrollment ID: | I20070730000151 |
| NPI Number: | 1912947227 |
| NPI Enumeration Date: | 07 Jun, 2006 |
| NPI Last Update On: | 10 Aug, 2015 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Gregory James Thomas are as mentioned below.
| License Number | Specialization | State | Status | |
| 2901013883 | | Michigan | Primary | |
| 2901013883 | Oral and Maxillofacial Surgery | Michigan | Secondary | |
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
| Hospital Name (CCN) | State | Hospital Type |
| (230029) | Pontiac, MI | Acute Care Hospital |
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name
with which Dr. Gregory James Thomas is associated with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| Summit Oral And Maxillofacial Surgery Pc (5991772287) | 6 |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Gregory James Thomas such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 970E07680 | Other | Michigan | BLUE CROSS PIN |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 29425 Ryan Rd,
Warren, Michigan |
| Zip: | 48092-2203 |
| Phone Number: | 586-755-9340 |
| Fax Number: | 586-755-9341 |
Patients can reach Dr. Gregory James Thomas at
29427 Ryan Rd, Warren, Michigan or can
call to book an appointment on 586-755-9340.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on
08 December, 2025.