Dr. Robert Lee Thomas III, MD, PhD
- Medicare services, 2024
- 39
- Medicare patients, 2024
- 23
- Part D claims, 2022
- 114
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Thomas III's 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. Robert Lee Thomas III is an internist in San Diego, California
Dr. Thomas III practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Thomas III's NPI, 1053765909, was assigned on April 18, 2016. Dr. Thomas III graduated from UC San Diego School of Medicine in 2024. Dr. Thomas III holds California license A151319.
- NPI
- 1053765909NPI Registry (opens in a new tab)
- NPI enumeration date
- April 18, 2016
- NPI status
- Active
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert Lee Thomas III practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Thomas III's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Lee Thomas III is affiliated with 2 sites of care and 1 medical group
Dr. Thomas III's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Thomas III is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Lee Thomas III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas III practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Lee Thomas III is one of 16,751 internists in California
Internal medicine is Dr. Thomas III's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thomas III is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dr. Thomas III is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Thomas III
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. Robert Lee Thomas III billed Medicare for 39 services in 2024
CMS data shows 39 Medicare services from Dr. Thomas III across 1 procedure code in 2024, for 23 Medicare patients. Medicare paid $2,497 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thomas III's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 462024: 3915%
Dr. Thomas III compared with the California median for internists, 2024
- Dr. Thomas III
- California median
- Medicare services
- 39vs 36189% below
- Medicare patients
- 23vs 15185% below
- Part D claims
- 114vs 42173% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Thomas III's 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 III?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas III and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Lee Thomas III treated 23 Medicare patients in 2024, average age 69
CMS counts 23 Medicare patients who saw Dr. Thomas III in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 74% have diabetes. Their average risk score is 3.46, 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 III's median patient age at 55, with 44% women.
Dr. Thomas III's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Thomas III's Medicare patients, 2024
- High blood pressure75%
- Diabetes74%
- High cholesterol74%
- Arthritis61%
- Mood disorders57%
- Heart failure48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas III's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women44%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Lee Thomas III wrote 114 Medicare Part D claims in 2022
In 2022, Dr. Thomas III wrote 114 Medicare Part D claims. They cover 6 drugs, with $34,550 in total drug cost. In 2021, CMS named 210 claims across 9 drugs.
Dr. Thomas III's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 2102022: 11446%
Drugs named by CMS: 6 in 2022, 9 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Robert Lee Thomas III scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Thomas III for performance year 2024, reported as part of a group.
Dr. Thomas III's MIPS scores, performance year 2024
- 91of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Robert Lee Thomas III received $276 in industry payments from 2021 to 2025
CMS Open Payments shows 4 general payments to Dr. Thomas III from 2 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Mannkind Corporation paid the most, $140.
General payments to Dr. Thomas III by program year, 2021 to 2025
Companies that paid Dr. Thomas III the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Lee Thomas III graduated from UC San Diego School of Medicine
Dr. Thomas III graduated from UC San Diego School of Medicine in 2024.
- Medical school
- Board certified in endocrinology, diabetes and metabolism
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Robert Lee Thomas III accepts plans from 14 insurance carriers
Dr. Thomas III is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Molina
- +6 more carriersWith a free account
Plan types Dr. Thomas III accepts, by number of carriers
- PPO10
- HMO8
- Medicare8
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Lee Thomas III'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Robert Lee Thomas III
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. Robert Lee Thomas III's NPI number?
Dr. Robert Lee Thomas III's NPI number is 1053765909. It was assigned on April 18, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Lee Thomas III?
Dr. Robert Lee Thomas III is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Lee Thomas III practice?
Dr. Thomas III practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Thomas III's primary practice is UCSD Hillcrest Medical Center in San Diego, California.
What is Dr. Robert Lee Thomas III's office phone number?
The practice phone on file for Dr. Thomas III is (619) 543-6222.
What is Dr. Robert Lee Thomas III's medical license number?
Dr. Thomas III holds California license A151319.
Which hospitals is Dr. Robert Lee Thomas III affiliated with?
Dr. Thomas III is affiliated with Hillcrest Medical Center.
What medical group is Dr. Robert Lee Thomas III part of?
Dr. Thomas III is linked to UC San Diego Health.
Does Dr. Robert Lee Thomas III accept Medicare?
Yes. CMS data shows Dr. Thomas III billed Medicare for 39 services in 2024.
What is Dr. Robert Lee Thomas III's MIPS score?
Dr. Thomas III's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. Robert Lee Thomas III see?
CMS counts 23 Medicare patients who saw Dr. Thomas III in 2024, with an average age of 69.
Show 7 more questionsShow fewer questions
Is Dr. Robert Lee Thomas III board certified?
Yes. Dr. Thomas III is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.
What services does Dr. Robert Lee Thomas III bill to Medicare?
In 2024, Dr. Thomas III's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Robert Lee Thomas III go to medical school?
Dr. Thomas III graduated from UC San Diego School of Medicine in 2024.
What drugs does Dr. Robert Lee Thomas III prescribe most?
In 2022 Medicare Part D data, Dr. Thomas III's most prescribed drugs by claims were Levothyroxine Sodium, Hydrocortisone and Tradjenta.
Has Dr. Robert Lee Thomas III received payments from drug or device companies?
CMS Open Payments shows $276 in general payments to Dr. Thomas III from 2 companies from 2021 to 2025. The largest total came from Mannkind Corporation.
How long has Dr. Robert Lee Thomas III been practicing?
Dr. Thomas III graduated from medical school in 2024, 2 years ago.
What insurance does Dr. Robert Lee Thomas III accept?
Dr. Thomas III is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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