J Pharmacol Exp Ther
Annexin A5Apoptosis Regulatory ProteinsAzathioprine
Dr. Carlton Wayne Thomas Jr., MD
NPI1205881398PAC ID5092779371
- Medicare services, 2024
- 474
- Medicare patients, 2024
- 286
- Part D claims, 2024
- 515
- Publications
- 4
- Hospital affiliations
- 1
- Practice address
- 292 Euclid Ave, Ste 115, San Diego, CA 92114
- Practice phone
- Call (619) 266-3332
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Digestive Disease Associates
Clinical Lab - Full Service · San Diego, California
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. Carlton Wayne Thomas Jr. is a gastroenterologist in San Diego, California
Dr. Thomas practices at Digestive Disease Associates in San Diego, California.
Dr. Thomas' NPI, 1205881398, was assigned on May 24, 2006. Dr. Thomas graduated from Medical University of South Carolina (MUSC) in 1998. Dr. Thomas holds California license 00A88112.
NPI and contact details
- NPI
- 1205881398NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092779371
- NPI enumeration date
- May 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 266-3332
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carlton Wayne Thomas Jr. practices at Digestive Disease Associates in San Diego, California
Dr. Thomas' primary practice is Digestive Disease Associates, at 292 Euclid Ave, Ste 115, San Diego, CA 92114. The practice phone is (619) 266-3332.
- Digestive Disease Associates292 Euclid Ave, Ste 115, San Diego, CA 92114Phone(619) 266-3332
Source: Dmand AI Affiliation Data
Dr. Carlton Wayne Thomas Jr. is affiliated with 6 sites of care and 5 medical groups
Dr. Thomas' primary practice is Digestive Disease Associates in San Diego, California. Dr. Thomas is also affiliated with Paradise Valley Hospital. The medical group on file is Digestive Disease Associates, Inc. Dmand AI also links Dr. Thomas to 4 more group practices and clinics and 4 medical groups, each named with a free account. Dr. Thomas' employer is on file too: a clinical lab.
Digestive Disease AssociatesPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Carlton Wayne Thomas Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Digestive Disease Associates | Available with a free account |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Carlton Wayne Thomas Jr. is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Thomas is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Thomas' licenses on file in 2 states: California and Minnesota.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Minnesota license
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastroenteritis, gastrointestinal bleeding and gastrointestinal inflammation among the conditions Dr. Thomas treats.
Gastroenterologists near Dr. Thomas
Counts of gastroenterologists 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. Carlton Wayne Thomas Jr. billed Medicare for 474 services in 2024
CMS data shows 474 Medicare services from Dr. Thomas across 10 procedure codes in 2024, for 286 Medicare patients. Medicare paid $45,403 for them.
Medicare services, 2024474
Medicare patients286
Paid by Medicare$45,403
Procedure codes10
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2702024: 2959%
- Surgery
- 2023: 2112024: 16522%
- Other services
- 2023: 182024: 1422%
Where Dr. Thomas' Medicare services took place, 2024
- In an office23950%
- In a facility23550%
Dr. Thomas compared with the California median for gastroenterologists, 2024
- Dr. Thomas
- California median
- Medicare services
- 474vs 58619% below
- Medicare patients
- 286vs 3025% below
- Part D claims
- 401vs 3806% above
Medians across 1,875 gastroenterologists in California 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carlton Wayne Thomas Jr. treated 286 Medicare patients in 2024, average age 70
CMS counts 286 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 157 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 73% are also on Medicaid. Their average risk score is 1.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 56, with 59% women.
Medicare patients, 2024286
Average age70
Average risk score1.74
Also on Medicaid73%
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women15755%
- Men12945%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes47%
- Arthritis43%
- Mood disorders31%
- Chronic kidney disease30%
- Depression28%
- Ischemic heart disease27%
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 56
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carlton Wayne Thomas Jr. wrote 515 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 515 Medicare Part D claims for 298 patients. 90% of them were for generic drugs. CMS names the drug for 401 of them, across 10 drugs with 11 or more claims each, at $90,703 in total drug cost. In 2023, CMS named 299 claims across 12 drugs.
Part D claims, 2024515
Drugs named by CMS10
Total drug cost$90,703
Part D patients298
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic465 claims90%
- Brand-name50 claims10%
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
- Antibiotics7%37 of 515 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: 2992024: 40134%
Drugs named by CMS: 10 in 2024, 12 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. Carlton Wayne Thomas Jr. ranks in the 87th percentile for colonoscopy in Medicare
Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 140 procedures of colonoscopy by Dr. Thomas, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Thomas ranks in Medicare procedure volume
- Colonoscopy
- 87th percentile140 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 70th percentile71 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Carlton Wayne Thomas Jr. has 4 publications on record
Dmand AI links 4 papers to Dr. Thomas in 2004. Dr. Thomas' most frequent co-author is William J. Sandborn, MD.
Papers4
Dr. Thomas' most frequent co-authors
Recent publications by Dr. Thomas
See who Dr. Thomas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thomas works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Carlton Wayne Thomas Jr. received $9,218 in industry payments from 2016 to 2025
CMS Open Payments shows 516 general payments to Dr. Thomas from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $3,169.
General payments to Dr. Thomas by program year, 2016 to 2025
General payments to Dr. Thomas by kind, 2016 to 2025
$9.2Kin total
- Food and beverage$9,11899%
- Education$1001%
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. Carlton Wayne Thomas Jr. graduated from Medical University of South Carolina (MUSC)
Dr. Thomas graduated from Medical University of South Carolina (MUSC) in 1998.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Carlton Wayne Thomas Jr. accepts plans from 16 insurance carriers
Dr. Thomas is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Thomas accepts, by number of carriers
- PPO10
- Medicare8
- HMO7
- POS6
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. Carlton Wayne Thomas Jr.'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Carlton Wayne Thomas Jr.
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. Carlton Wayne Thomas Jr.'s NPI number?
Dr. Carlton Wayne Thomas Jr.'s NPI number is 1205881398. It was assigned on May 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carlton Wayne Thomas Jr.?
Dr. Carlton Wayne Thomas Jr. is a gastroenterologist in San Diego, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Carlton Wayne Thomas Jr. practice?
Dr. Thomas practices at 292 Euclid Ave, Ste 115, San Diego, CA 92114. Dr. Thomas' primary practice is Digestive Disease Associates in San Diego, California. Dmand AI also links Dr. Thomas to 4 group practices and clinics and 4 medical groups.
What is Dr. Carlton Wayne Thomas Jr.'s office phone number?
The practice phone on file for Dr. Thomas is (619) 266-3332.
What is Dr. Carlton Wayne Thomas Jr.'s medical license number?
Dr. Thomas holds California license 00A88112, one of the licenses on file in 2 states.
Which states has Dr. Carlton Wayne Thomas Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Thomas in California (2004 to 2026) and Minnesota (1999 to 2005).
Which hospitals is Dr. Carlton Wayne Thomas Jr. affiliated with?
Dr. Thomas is affiliated with Paradise Valley Hospital.
What medical group is Dr. Carlton Wayne Thomas Jr. part of?
Dr. Thomas is linked to Digestive Disease Associates, Inc. Dmand AI links Dr. Thomas to 4 more medical groups.
Does Dr. Carlton Wayne Thomas Jr. accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 474 services in 2024, and Dr. Thomas accepts Medicare assignment.
How many Medicare patients does Dr. Carlton Wayne Thomas Jr. see?
CMS counts 286 Medicare patients who saw Dr. Thomas in 2024, with an average age of 70.
Show 9 more questionsShow fewer questions
Is Dr. Carlton Wayne Thomas Jr. board certified?
Yes. Dr. Thomas is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Carlton Wayne Thomas Jr. bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and surgery: digestive system (43239).
Where did Dr. Carlton Wayne Thomas Jr. go to medical school?
Dr. Thomas graduated from Medical University of South Carolina (MUSC) in 1998.
What drugs does Dr. Carlton Wayne Thomas Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Gavilyte-C, Omeprazole and Pantoprazole Sodium.
Has Dr. Carlton Wayne Thomas Jr. received payments from drug or device companies?
CMS Open Payments shows $9,218 in general payments to Dr. Thomas from 33 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Carlton Wayne Thomas Jr. been practicing?
Dr. Thomas graduated from medical school in 1998, 28 years ago.
Does Dr. Carlton Wayne Thomas Jr. do research?
Dmand AI links 4 publications to Dr. Thomas.
Who does Dr. Carlton Wayne Thomas Jr. publish with?
Dr. Thomas' most frequent co-authors are William J. Sandborn, MD (1 shared paper).
What insurance does Dr. Carlton Wayne Thomas Jr. accept?
Dr. Thomas is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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