Dr. David A. Thomas, MD
- Medicare services, 2024
- 171
- Medicare patients, 2024
- 176
- Part D claims, 2024
- 25
- Hospital affiliations
- 1
- Industry payments
- $130
- Practice address
- 14662 Newport Ave, Tustin, CA 92780
- Practice phone
- Call (714) 619-7700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. David A. Thomas is an emergency medicine physician in Tustin, California
Dr. Thomas practices at Foothill Regional Medical Center in Tustin, California, part of Astrana Health.
Dr. Thomas' NPI, 1083705628, was assigned on September 27, 2006. Dr. Thomas graduated from Keck School of Medicine of USC in 1990. Dr. Thomas holds California license G72902.
- NPI
- 1083705628NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779683685
- NPI enumeration date
- September 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 619-7700
- 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. David A. Thomas practices at Foothill Regional Medical Center in Tustin, California
Dr. Thomas' primary practice is Foothill Regional Medical Center, at 14662 Newport Ave, Tustin, CA 92780 in Orange County. The practice phone is (714) 619-7700.
- Foothill Regional Medical Center14662 Newport Ave, Tustin, CA 92780 · Orange CountyPhone(714) 619-7700
Source: Dmand AI Affiliation Data
Dr. David A. Thomas is affiliated with 1 site of care and 4 medical groups
Dr. Thomas' primary practice is Foothill Regional Medical Center in Tustin, California, part of Astrana Health. The medical group on file is Can Emergency Physicians Medical Group. Dmand AI also links Dr. Thomas to 3 more medical groups, 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. David A. Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Foothill Regional Medical Center | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Astrana Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David A. Thomas is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Thomas is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Thomas
Counts of emergency medicine physicians 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. David A. Thomas billed Medicare for 171 services in 2024
CMS data shows 171 Medicare services from Dr. Thomas across 2 procedure codes in 2024, for 176 Medicare patients. Medicare paid $24,798 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1752024: 1712%
- Tests and treatments
- 2023: 172024: 0100%
Dr. Thomas compared with the California median for emergency medicine physicians, 2024
- Dr. Thomas
- California median
- Medicare services
- 171vs 26535% below
- Medicare patients
- 176vs 24328% below
- Part D claims
- 20vs 6268% below
Medians across 7,079 emergency medicine physicians 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.
Need commercial claims for Dr. Thomas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David A. Thomas treated 176 Medicare patients in 2024, average age 74
CMS counts 176 Medicare patients who saw Dr. Thomas in 2024. The largest group is 75 to 84, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 91% are also on Medicaid. Their average risk score is 3.11, 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 45, with 49% women.
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women8448%
- Men9252%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Depression73%
- Anxiety65%
- Heart failure59%
- Diabetes57%
- Arthritis56%
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 45
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David A. Thomas wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 25 Medicare Part D claims for 17 patients. 96% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $118 in total drug cost. In 2016, CMS named 15 claims across 1 drug.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic24 claims96%
- Brand-name and other1 claims4%
Dr. Thomas' most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 152017: 2033%
Drugs named by CMS: 1 in 2017, 1 in 2016.
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
How Dr. David A. Thomas takes part in Medicare
Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David A. Thomas received $130 in industry payments from 2018 to 2024
CMS Open Payments shows 6 general payments to Dr. Thomas from 3 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $96.
General payments to Dr. Thomas by program year, 2018 to 2024
Companies that paid Dr. Thomas the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David A. Thomas graduated from Keck School of Medicine of USC
Dr. Thomas graduated from Keck School of Medicine of USC in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. David A. Thomas accepts plans from 1 insurance carrier
Dr. Thomas is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. David A. 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) |
| 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. David A. 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. David A. Thomas' NPI number?
Dr. David A. Thomas' NPI number is 1083705628. It was assigned on September 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Thomas?
Dr. David A. Thomas is an emergency medicine physician in Tustin, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. David A. Thomas practice?
Dr. Thomas practices at 14662 Newport Ave, Tustin, CA 92780. Dr. Thomas' primary practice is Foothill Regional Medical Center in Tustin, California, part of Astrana Health. Dmand AI also links Dr. Thomas to 3 medical groups.
What is Dr. David A. Thomas' office phone number?
The practice phone on file for Dr. Thomas is (714) 619-7700.
What is Dr. David A. Thomas' medical license number?
Dr. Thomas holds California license G72902.
Which hospitals is Dr. David A. Thomas affiliated with?
Dr. Thomas practices at Foothill Regional Medical Center in Tustin, California.
What medical group is Dr. David A. Thomas part of?
Dr. Thomas is linked to Can Emergency Physicians Medical Group. Dmand AI links Dr. Thomas to 3 more medical groups.
Does Dr. David A. Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 171 services in 2024, and Dr. Thomas accepts Medicare assignment.
How many Medicare patients does Dr. David A. Thomas see?
CMS counts 176 Medicare patients who saw Dr. Thomas in 2024, with an average age of 74.
What services does Dr. David A. Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were emergency department visit (99285) and critical care (99291).
Show 5 more questionsShow fewer questions
Where did Dr. David A. Thomas go to medical school?
Dr. Thomas graduated from Keck School of Medicine of USC in 1990.
What drugs does Dr. David A. Thomas prescribe most?
In 2017 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. David A. Thomas received payments from drug or device companies?
CMS Open Payments shows $130 in general payments to Dr. Thomas from 3 companies from 2018 to 2024. The largest total came from Gilead Sciences, Inc.
How long has Dr. David A. Thomas been practicing?
Dr. Thomas graduated from medical school in 1990, 36 years ago.
What insurance does Dr. David A. Thomas accept?
Dr. Thomas is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card