Dr. Gary Douglas Thomas, MD
- Medicare services, 2024
- 12,052
- Medicare patients, 2024
- 620
- Part D claims, 2024
- 14,950
- Hospital affiliations
- 3
- Industry payments
- $6,539
- Practice address
- 1530 US Hwy 43, Winfield, AL 35594
- Practice phone
- Call (205) 487-7748
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Mississippi Health Services-South Marion
Mammography / Breast Imaging Center · Winfield, Alabama
Find Dr. Thomas' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gary Douglas Thomas is an internist in Winfield, Alabama
Dr. Thomas practices at North Mississippi Health Services-South Marion in Winfield, Alabama.
Dr. Thomas' NPI, 1407895261, was assigned on June 6, 2006. Dr. Thomas graduated from University of Alabama School of Medicine in 1990. Dr. Thomas holds Alabama license 15979.
- NPI
- 1407895261NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002987898
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (205) 487-7748
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary Douglas Thomas practices at North Mississippi Health Services-South Marion in Winfield, Alabama
Dr. Thomas' primary practice is North Mississippi Health Services-South Marion, at 1530 US Hwy 43, Winfield, AL 35594. The practice phone is (205) 487-7748.
- North Mississippi Health Services-South Marion1530 US Hwy 43, Winfield, AL 35594Phone(205) 487-7748
Source: Dmand AI Affiliation Data
Dr. Gary Douglas Thomas is affiliated with 15 sites of care and 4 medical groups
Dr. Thomas' primary practice is North Mississippi Health Services-South Marion in Winfield, Alabama. Dr. Thomas is also affiliated with North Mississippi Health Services-South Marion. The medical group on file is Winfield Internal Medicine. Dmand AI also links Dr. Thomas to 2 more hospitals, 5 home health agencies, 3 group practices and clinics, 3 medical groups, 2 skilled nursing facilities and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary Douglas Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 15 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Mississippi Health Services-South Marion | Available with a free account |
| +14 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary Douglas Thomas is one of 1,685 internists in Alabama
Internal medicine is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thomas is licensed in Alabama.
Specialties and state licenses
- Internal medicine, AlabamaPrimary
Internists near Dr. Thomas
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gary Douglas Thomas billed Medicare for 12,052 services in 2024
CMS data shows 12,052 Medicare services from Dr. Thomas across 47 procedure codes in 2024, for 620 Medicare patients. Medicare paid $337,946 for them.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1782024: 3,28351%
- Drugs given in the office
- 2023: 1,0612024: 2,795163%
- Lab and pathology
- 2023: 3,0532024: 2,45720%
- Other services
- 2023: 1,2112024: 1,64136%
- Surgery
- 2023: 1,3112024: 87233%
- Tests and treatments
- 2023: 9762024: 82715%
- Imaging
- 2023: 2372024: 17725%
Where Dr. Thomas' Medicare services took place, 2024
- In an office11,35094%
- In a facility7026%
Dr. Thomas compared with the Alabama median for internists, 2024
- Dr. Thomas
- Alabama median
- Medicare services
- 12,052vs 66418.2 times
- Medicare patients
- 620vs 2033.1 times
- Part D claims
- 14,182vs 50028.4 times
Medians across 1,610 internists in Alabama with Dmand AI profiles that report each measure.
Dr. Thomas' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Thomas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other internists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary Douglas Thomas treated 620 Medicare patients in 2024, average age 76
CMS counts 620 Medicare patients who saw Dr. Thomas in 2024. The largest group is 75 to 84, with 241 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 75, with 59% women.
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women36359%
- Men25741%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes52%
- Mood disorders40%
- Depression38%
- Anxiety36%
- Chronic kidney disease36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary Douglas Thomas wrote 14,950 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 14,950 Medicare Part D claims for 597 patients. 87% of them were for generic drugs. CMS names the drug for 14,182 of them, across 172 drugs with 11 or more claims each, at $1,039,541 in total drug cost. In 2023, CMS named 13,863 claims across 180 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic12,998 claims87%
- Brand-name1,815 claims12%
- Other137 claims1%
Dr. Thomas' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Thomas' Part D claims, 2024
- Opioids5%787 of 14,950 claims
- Antibiotics1%192 of 14,950 claims
- Antipsychotics, patients 65 and over1%109 of 14,950 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 13,8632024: 14,1822%
Drugs named by CMS: 172 in 2024, 180 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gary Douglas Thomas offers telehealth to Medicare patients
CMS lists Dr. Thomas as offering telehealth.
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gary Douglas Thomas received $6,539 in industry payments from 2016 to 2025
CMS Open Payments shows 418 general payments to Dr. Thomas from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $895.
General payments to Dr. Thomas by program year, 2016 to 2025
General payments to Dr. Thomas by kind, 2016 to 2025
- Food and beverage$6,50499%
- Education$361%
Companies that paid Dr. Thomas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary Douglas Thomas graduated from University of Alabama School of Medicine
Dr. Thomas graduated from University of Alabama School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary Douglas Thomas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gary Douglas Thomas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gary Douglas Thomas' NPI number?
Dr. Gary Douglas Thomas' NPI number is 1407895261. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary Douglas Thomas?
Dr. Gary Douglas Thomas is an internist in Winfield, Alabama. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gary Douglas Thomas practice?
Dr. Thomas practices at 1530 US Hwy 43, Winfield, AL 35594. Dr. Thomas' primary practice is North Mississippi Health Services-South Marion in Winfield, Alabama. Dmand AI also links Dr. Thomas to 2 hospitals, 5 home health agencies, 3 group practices and clinics, 3 medical groups, 2 skilled nursing facilities and 1 hospice.
What is Dr. Gary Douglas Thomas' office phone number?
The practice phone on file for Dr. Thomas is (205) 487-7748.
What is Dr. Gary Douglas Thomas' medical license number?
Dr. Thomas holds Alabama license 15979.
Which hospitals is Dr. Gary Douglas Thomas affiliated with?
Dr. Thomas is affiliated with North Mississippi Health Services-South Marion. Dmand AI links Dr. Thomas to 2 more hospitals.
What medical group is Dr. Gary Douglas Thomas part of?
Dr. Thomas is linked to Winfield Internal Medicine. Dmand AI links Dr. Thomas to 3 more medical groups.
Does Dr. Gary Douglas Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 12,052 services in 2024.
Does Dr. Gary Douglas Thomas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Thomas as offering telehealth services.
How many Medicare patients does Dr. Gary Douglas Thomas see?
CMS counts 620 Medicare patients who saw Dr. Thomas in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Gary Douglas Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were injected or infused drug (J1010), care management and other visits (99490) and office visit, established patient (99214).
Where did Dr. Gary Douglas Thomas go to medical school?
Dr. Thomas graduated from University of Alabama School of Medicine in 1990.
What drugs does Dr. Gary Douglas Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Gabapentin.
Has Dr. Gary Douglas Thomas received payments from drug or device companies?
CMS Open Payments shows $6,539 in general payments to Dr. Thomas from 38 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Gary Douglas Thomas been practicing?
Dr. Thomas graduated from medical school in 1990, 36 years ago.
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