Active NPI 1912947227 Individual Practitioner Male Practitioner

Dr. Gregory James Thomas , DDS, MS

Oral & Maxillofacial Surgery • Warren, MI

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Thomas, DDS, MS is a registered healthcare professional specializing in Oral & Maxillofacial Surgery in Warren, MI. Practice services are available at 29427 RYAN RD under active NPI credentials.

Frequently performed procedures and clinical services include x-ray of lower jaws, upper jaws and teeth, new patient outpatient office visit, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

29427 Ryan Rd

Warren, MI 480922203

Telephone 5867559340

Fax 5867551081

Associated Practice Facility / Clinic

🏢 Summit Oral & Maxillofacial Surgery Pc Facility NPI 1811066129

Specialty Benchmarks & Practice Insights

Comparative analytics for Oral & Maxillofacial Surgery in Warren, MI

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 27.5 Yrs

State Avg: 19.8 Yrs

Regional Practice Density

6 Specialists

Practicing in Warren, MI (53 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

33.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
70355 X-ray of lower jaws, upper jaws and teeth	23	22	$105.00	$18.40
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$95.00	$73.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	14	$55.00	$54.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$139.23	$114.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
70355 X-ray of lower jaws, upper jaws and teeth	39	33	$102.69	$18.57
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	31	19	$35.00	$23.49
99202 New patient office or other outpatient visit, typically 20 minutes	24	24	$92.50	$75.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	15	$55.00	$54.46
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	13	12	$225.58	$52.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
70355 X-ray of lower jaws, upper jaws and teeth	33	29	$100.00	$19.24
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	26	22	$35.77	$23.20
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$90.00	$75.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	11	$55.00	$55.00
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	14	14	$259.93	$52.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
70355 X-ray of lower jaws, upper jaws and teeth	49	33	$99.29	$19.85
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	18	$54.68	$47.14
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	21	15	$35.00	$23.58
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$88.50	$78.71
99213 Established patient office or other outpatient visit, typically 15 minutes	14	11	$82.50	$77.25
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	13	12	$235.77	$51.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
70355 X-ray of lower jaws, upper jaws and teeth	37	32	$95.00	$20.50
99213 Established patient office or other outpatient visit, typically 15 minutes	35	22	$80.00	$75.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	17	$50.00	$45.77
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$85.00	$77.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
70355 X-ray of lower jaws, upper jaws and teeth	50	46	$95.00	$20.33
99213 Established patient office or other outpatient visit, typically 15 minutes	45	28	$80.00	$70.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	27	$50.00	$42.14
99202 New patient office or other outpatient visit, typically 20 minutes	29	29	$85.00	$72.34
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	16	15	$259.06	$49.09
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	13	12	$30.00	$20.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
70355 X-ray of lower jaws, upper jaws and teeth	43	34	$95.00	$19.95
99213 Established patient office or other outpatient visit, typically 15 minutes	42	27	$80.00	$69.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	25	$50.00	$41.23
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$85.00	$70.75
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	14	14	$239.82	$47.93

Medical Specialties & State Licenses

Oral & Maxillofacial Surgery Primary Specialty

NUCC Taxonomy Code: 204E00000X

State License MI 2901013883

Oral and maxillofacial surgeons are trained to recognize and treat a wide spectrum of diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral and maxillofacial region. They are also trained to administer anesthesia, and provide care in an office setting. They are trained to treat problems such as the extraction of wisdom teeth, misaligned jaws, tumors and cysts of the jaw and mouth, and to perform dental implant surgery.

Dentist - Oral and Maxillofacial Surgery

NUCC Taxonomy Code: 1223S0112X

State License MI 2901013883

The specialty of dentistry which includes 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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Blue Cross Pin

970E07680 (MI)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners

Dr. David Coviak , DDS, MD

Dentist - Oral and Maxillofacial Surgery

NPI 1164829438

Doctor of Dental Surgery, Doctor of Medicine (M.D.)

Dr. Nicolette Essian , DMD

Dentist - Oral and Maxillofacial Pathology

NPI 1184240640

Doctor of Dental Medicine

Matt Demerle

Dentist - Oral and Maxillofacial Surgery

NPI 1285172213

Dr. Michael Kraemer , DMD, MD

Oral & Maxillofacial Surgery

NPI 1366480238

Doctor of Dental Medicine, Doctor of Medicine (M.D.)

Dr. Arshi Lehal , MD

Oral & Maxillofacial Surgery

NPI 1720341886

Doctor of Medicine (M.D.)

Dr. John Hackenberger , DDS

Dentist - Oral and Maxillofacial Surgery

NPI 1790730406

Doctor of Dental Surgery

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active August 10, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location August 10, 2015

Registered at 29427 RYAN RD, WARREN, MI 480922203 (Tel: 5867559340)

📍

Updated Business Mailing Address August 10, 2015

Registered at 29425 RYAN RD, WARREN, MI 480922203 (Tel: 5867559340)

👤

Provider Name / Credentials Updated August 10, 2015

Recorded as GREGORY THOMAS, DDS, MS

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 10, 2015

Dentist (License #2901013883 in MI)

🟢

Initial NPI Registration & Enumeration June 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1912947227

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 07, 2006

Last Update: August 10, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

29425 Ryan Rd

Warren, MI 480922203

Phone: 5867559340

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.