DR. GREGORY JAMES THOMAS DDS, MS
NPI 1912947227
Oral & Maxillofacial Surgery in Warren, MI

NPI Status: Active since June 07, 2006

Contact Information

29427 RYAN RD
WARREN, MI
ZIP 48092
Phone: (586) 755-9340
Fax: (586) 755-1081

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  • Individual
  • Male
  • Oral & Maxillofacial Surgery
  • Accepts Insurance
  • PECOS Enrolled

About GREGORY THOMAS

This page provides the complete NPI Profile along with additional information for Gregory Thomas, a provider established in Warren, Michigan with a medical specialization in Oral & Maxillofacial Surgery. The healthcare provider is registered in the NPI registry with number 1912947227 assigned on June 2006. The practitioner's primary taxonomy code is 204E00000X with license number 2901013883 (MI). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1912947227
Provider Name
DR. GREGORY JAMES THOMAS DDS, MS
Gender
Male
Entity Type
Individual
Location Address
29427 RYAN RD WARREN, MI 48092
Location Phone
(586) 755-9340
Location Fax
(586) 755-1081
Mailing Address
29425 RYAN RD WARREN, MI 48092
Mailing Phone
(586) 755-9340
Mailing Fax
(586) 755-1081
Is Sole Proprietor?
No
Enumeration Date
06-07-2006
Last Update Date
08-10-2015
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Oral & Maxillofacial Surgery

Taxonomy Code
204E00000X
Type
Allopathic & Osteopathic Physicians
License No.
2901013883
License State
MI
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11223S0112XDental Providers

Dentist
Oral and Maxillofacial Surgery

2901013883 (MI)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BEST Life Preferred Dental Plan - PPO
  • BEST Life Superior Dental Plan - PPO
  • BEST Life Essental Preferred Dental Plan - PPO
  • BEST Life Essental Value Dental Plan - PPO
  • BEST Life Essential Basic Dental Plan - PPO
  • BEST Life Essential Basic Dental - PPO
  • BEST Life Essential Basic Dental Plan - Indemnity
  • BEST Life Essential Basic Dental Plan - PPO
  • BEST Life Essential Value Dental Plan - PPO
  • BEST Life Essential Value Dental - PPO
  • BEST Life Essential Value Dental Plan - Indemnity
  • BEST Life Essential Value Dental Plan - PPO
  • BEST Life Preferred Dental - PPO
  • BEST Life Preferred Dental Plan - PPO
  • BEST Life Preferred Dental Plan - Indemnity
  • BEST Life Preferred Dental Plan - PPO
  • BEST Life Superior Dental - PPO
  • BEST Life Superior Dental Plan - PPO
  • BEST Life Superior Dental Plan - Indemnity
  • BEST Life Superior Dental Plan - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • BlueCare Dental? 1D - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • BlueCare Dental? 1D - PPO
  • BlueCare Dental 1D - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • Blue Dental EPO 80/50/50 (0/0/0) - EPO
  • Blue Dental PPO 100/50/50 (50/50/50) - PPO
  • Blue Dental PPO 100/70/50 (80/60/50) - PPO
  • Blue Dental PPO 80/50/50 (50/50/50) - PPO
  • Blue Dental PPO Pediatric 80/50/50 (50/50/50) - PPO
  • Blue Dental PPO Plus 80/60/50 - PPO
  • Choice PPO Basic - PPO
  • Choice PPO Basic Kids - PPO
  • Choice PPO Plus - PPO
  • Choice PPO Premium - PPO
  • Choice PPO Premium Kids - PPO
  • Choice PPO Preventive - PPO
  • EMI Health Advantage Co-Pay - PPO
  • EMI Health Advantage PPO - PPO
  • EMI Health Premier PPO (High) - PPO
  • EMI Health Premier PPO (Low) - PPO
  • BlueDental Copayment Q - PPO
  • Guardian Essentials for Families and Individuals - PPO
  • Guardian Preventive Plus for Families and Individuals - PPO
  • Guardian Select for Families and Individuals - PPO
  • HRI Essential Plus Plan - HMO
  • HRI Essential Plus Plan - PPO
  • HRI Preventive Family Plan - HMO
  • HRI Preventive Family Plan - PPO
  • HRI Total Care Plan - HMO
  • HRI Total Care Plan - PPO
  • Humana Dental Smart Choice - PPO
  • Humana Dental Smart Choice - Basic - PPO
  • Humana Dental Smart Choice - High - PPO
  • Humana Dental Smart Choice - Lite - PPO
  • Humana Dental Smart Choice - Low - PPO
  • Paramount Dental Essential Plus Plan - EPO
  • Paramount Dental Preventive Family Plan - EPO
  • Paramount Dental Total Care Plan - EPO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
T97261MEDICARE UPIN (02)MI 
970E07680OTHER (01)MIBLUE CROSS PIN
0E0768003MEDICARE ID-TYPE UNSPECIFIED (04)MI 

Medicare Participation & PECOS Enrollment Status

Gregory Thomas is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 10-19 minutes

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 19 times for 15 patients

New patient office or other outpatient visit, 15-29 minutes

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

This service was performed 24 times for 24 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

This service was performed 31 times for 19 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

This service was performed 13 times for 12 patients

X-ray of lower jaws, upper jaws and teeth

An X-ray of lower jaws, upper jaws, and teeth is a diagnostic procedure that uses radiation to create images of these areas. This helps in identifying issues like tooth decay, gum problems, or jawbone irregularities. It's a quick, painless process and crucial for maintaining oral health.

This service was performed 39 times for 33 patients

Reviews for DR. GREGORY JAMES THOMAS DDS, MS

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1912947227, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 9 → 18 → 9 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 2 + 2 + 1 + 8 + 4 + 1 + 4 + 2 + 4 + 24 = 63

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1912947227.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Dentist (Oral and Maxillofacial Surgery)
29427 RYAN RD
WARREN, MI 48092
Dentist (Oral and Maxillofacial Surgery)
29427 RYAN RD
WARREN, MI 48092
Oral & Maxillofacial Surgery
29427 RYAN RD
WARREN, MI 48092
Dentist (Oral and Maxillofacial Surgery)
29427 RYAN RD
WARREN, MI 48092
Oral & Maxillofacial Surgery
29427 RYAN RD
WARREN, MI 48092
Oral & Maxillofacial Surgery
29427 RYAN RD
WARREN, MI 48092
Dentist (Oral and Maxillofacial Pathology)
29427 RYAN RD
WARREN, MI 48092

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912947227, enumerated as an "individual" on June 07, 2006.

The provider is located at 29427 RYAN RD WARREN, MI 48092 and the phone number is (586) 755-9340.

Oral & Maxillofacial Surgery with taxonomy code 204E00000X.

The provider might be accepting Accepts: BEST Life, Blue Cross and Blue Shield of Montana,. Please consult your insurance carrier or call the provider to verify.