Jeffrey John Thomas
- Medicare services, 2024
- 14,934
- Medicare patients, 2024
- 3,363
- Part D claims, 2024
- 940
- Industry payments
- $402
- Affiliated sites
- 29
- Practice address
- 1770 N Orange Grove Ave, Pomona, CA 91767
- Practice phone
- Call (909) 469-9494
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Premier Family Medicine Associates, Inc
Pomona, California
Find Jeffrey 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.
Jeffrey John Thomas is an internist in Pomona, California
Jeffrey Thomas practices at Premier Family Medicine Associates, Inc in Pomona, California.
Jeffrey Thomas' NPI, 1932337136, was assigned on June 25, 2009. Jeffrey Thomas graduated from Tufts University School Of Medicine in 2009. Jeffrey Thomas holds California license A115831.
- NPI
- 1932337136NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315101003
- NPI enumeration date
- June 25, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 469-9494
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Jeffrey John Thomas practices at Premier Family Medicine Associates, Inc in Pomona, California
Jeffrey Thomas' primary practice is Premier Family Medicine Associates, Inc, at 1770 N Orange Grove Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (909) 469-9494.
- Premier Family Medicine Associates, Inc1770 N Orange Grove Ave, Pomona, CA 91767 · Los Angeles CountyPhone(909) 469-9494
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jeffrey John Thomas is affiliated with 30 sites of care and 31 medical groups
Jeffrey Thomas' primary practice is Premier Family Medicine Associates, Inc in Pomona, California. The medical group on file is PIH Health Physicians (John M. Geiss, DO). Dmand AI also links Jeffrey Thomas to 30 more medical groups, 25 group practices and clinics and 4 home health agencies, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Jeffrey John Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jeffrey Thomas practices, 29 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Premier Family Medicine Associates, Inc | Available with a free account |
| +29 more sites and 30 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Jeffrey John Thomas is one of 16,751 internists in California
Internal medicine is Jeffrey Thomas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Jeffrey Thomas is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Jeffrey Thomas' licenses on file in 15 states: California, South Dakota, Delaware, Florida, Arizona, Hawaii, Illinois, Kentucky, Montana, Nebraska, New Hampshire, New York, Ohio, Pennsylvania and Virginia.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- South Dakota license
- Delaware license
- Florida license
- Arizona license
- Hawaii license
- Illinois license
- Kentucky license
- Montana license
- Nebraska license
- New Hampshire license
- New York license
- Ohio license
- Pennsylvania license
- Virginia license
Clinical focus
Dmand AI lists acute respiratory failure, cellulitis, gastrointestinal infection, gastrointestinal inflammation, kidney failure, pulmonary embolism and stroke among the conditions Jeffrey Thomas treats.
Internists near Jeffrey 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
Jeffrey John Thomas billed Medicare for 14,934 services in 2024
CMS data shows 14,934 Medicare services from Jeffrey Thomas across 14 procedure codes in 2024, for 3,363 Medicare patients. Medicare paid $2,769,125 for them. Every service was in an office.
Jeffrey Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1162024: 8,921699%
- Other services
- 2023: 02024: 6,013
Jeffrey Thomas compared with the California median for internists, 2024
- Jeffrey Thomas
- California median
- Medicare services
- 14,934vs 36141.4 times
- Medicare patients
- 3,363vs 15122.3 times
- Part D claims
- 613vs 42146% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Jeffrey 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 Jeffrey Thomas?
Medicare shows one payer. Book a meeting to get commercial claims data for Jeffrey Thomas and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Jeffrey John Thomas treated 3,363 Medicare patients in 2024, average age 84
CMS counts 3,363 Medicare patients who saw Jeffrey Thomas in 2024. The largest group is 85 and over, with 1,770 patients. 75% of them have alzheimer's and dementia, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 2.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jeffrey Thomas' median patient age at 85, with 68% women.
Jeffrey Thomas' Medicare patients by age, 2024
Jeffrey Thomas' Medicare patients by sex, 2024
- Women2,29968%
- Men1,06432%
Chronic conditions among Jeffrey Thomas' Medicare patients, 2024
- Alzheimer's and dementia75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders61%
- Depression58%
- Arthritis57%
- Anxiety51%
- Chronic kidney disease43%
Share of Medicare patients with each condition. A patient can have several.
Jeffrey Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 85
Patient panel by sex, all payers
- Women68%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jeffrey John Thomas wrote 940 Medicare Part D claims in 2024
In 2024, Jeffrey Thomas wrote 940 Medicare Part D claims for 145 patients. 95% of them were for generic drugs. CMS names the drug for 613 of them, across 29 drugs with 11 or more claims each, at $21,336 in total drug cost. In 2023, CMS named 428 claims across 24 drugs.
Jeffrey Thomas' Part D claims by kind of drug, 2024
- Generic889 claims95%
- Brand-name and other51 claims5%
Jeffrey 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 Jeffrey Thomas' Part D claims, 2024
- Opioids4%37 of 940 claims
- Antibiotics2%19 of 940 claims
- Antipsychotics, patients 65 and over5%44 of 940 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: 4282024: 61343%
Drugs named by CMS: 29 in 2024, 24 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
How Jeffrey John Thomas takes part in Medicare
Jeffrey 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)
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Jeffrey John Thomas received $402 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Jeffrey Thomas from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $125.
General payments to Jeffrey Thomas by program year, 2016 to 2025
Companies that paid Jeffrey 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
Jeffrey John Thomas graduated from Tufts University School Of Medicine
Jeffrey Thomas graduated from Tufts University School Of Medicine in 2009.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Jeffrey John Thomas accepts plans from 4 insurance carriers
Jeffrey Thomas is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- CMS Medicare
Plan types Jeffrey Thomas accepts, by number of carriers
- Medicare4
- PPO3
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Jeffrey John 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 | 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 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 Jeffrey John 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 Jeffrey John Thomas' NPI number?
Jeffrey John Thomas' NPI number is 1932337136. It was assigned on June 25, 2009, and it is active in the NPI Registry.
What does Jeffrey John Thomas specialize in?
Jeffrey John Thomas is an internist in Pomona, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Jeffrey John Thomas practice?
Jeffrey Thomas practices at 1770 N Orange Grove Ave, Pomona, CA 91767. Jeffrey Thomas' primary practice is Premier Family Medicine Associates, Inc in Pomona, California. Dmand AI also links Jeffrey Thomas to 30 medical groups, 25 group practices and clinics and 4 home health agencies.
What is Jeffrey John Thomas' office phone number?
The practice phone on file for Jeffrey Thomas is (909) 469-9494.
What is Jeffrey John Thomas' medical license number?
Jeffrey Thomas holds California license A115831, one of the licenses on file in 15 states.
Which states has Jeffrey John Thomas been licensed in?
Dmand AI has state licenses on file for Jeffrey Thomas in California (2011 to 2026), South Dakota, Delaware (2024 to 2027), Florida (2024 to 2027), Arizona (2024 to 2026), Hawaii (2025 to 2026), Illinois (2024 to 2026), Kentucky (2024 to 2026), Montana (2024 to 2026), Nebraska (2024 to 2026), New Hampshire (2024 to 2026), New York (2024 to 2026), Ohio (2024 to 2026), Pennsylvania (2024 to 2026) and Virginia (2024 to 2026).
What medical group is Jeffrey John Thomas part of?
Jeffrey Thomas is linked to PIH Health Physicians (John M. Geiss, DO). Dmand AI links Jeffrey Thomas to 30 more medical groups.
Does Jeffrey John Thomas accept Medicare?
Yes. CMS data shows Jeffrey Thomas billed Medicare for 14,934 services in 2024, and Jeffrey Thomas accepts Medicare assignment.
How many Medicare patients does Jeffrey John Thomas see?
CMS counts 3,363 Medicare patients who saw Jeffrey Thomas in 2024, with an average age of 84.
Is Jeffrey John Thomas board certified?
Yes. Jeffrey Thomas is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Jeffrey John Thomas bill to Medicare?
In 2024, Jeffrey Thomas' most billed Medicare services were care management and other visits (99489), medicare service (G0523) and care management and other visits (99487).
Where did Jeffrey John Thomas go to medical school?
Jeffrey Thomas graduated from Tufts University School Of Medicine in 2009.
What drugs does Jeffrey John Thomas prescribe most?
In 2024 Medicare Part D data, Jeffrey Thomas' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Sertraline HCl.
Has Jeffrey John Thomas received payments from drug or device companies?
CMS Open Payments shows $402 in general payments to Jeffrey Thomas from 5 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Jeffrey John Thomas been practicing?
Jeffrey Thomas graduated from medical school in 2009, 17 years ago.
What insurance does Jeffrey John Thomas accept?
Jeffrey Thomas is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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