Dr. James P. Dinh, MD
- Medicare services, 2021
- 27
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 237
- Hospital affiliations
- 1
- Industry payments
- $366
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Dinh'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. James P. Dinh is a hospitalist in Fontana, California
Dr. Dinh practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Dinh's NPI, 1104915081, was assigned on October 11, 2006. Dr. Dinh graduated from Tufts University School Of Medicine in 1998. Dr. Dinh holds California license A71332.
- NPI
- 1104915081NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890711238
- NPI enumeration date
- October 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James P. Dinh practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Dinh's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James P. Dinh is affiliated with 3 sites of care and 1 medical group
Dr. Dinh's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Dinh is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Dinh to 1 more group practice or clinic, 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 Dr. James P. Dinh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dinh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +2 more affiliated sites | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James P. Dinh is one of 3,186 hospitalists in California
Hospitalist is Dr. Dinh's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Dinh is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dmand AI has Dr. Dinh's licenses on file in 2 states: California and Utah.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Utah license
Hospitalists near Dr. Dinh
Counts of hospitalists 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. James P. Dinh billed Medicare for 27 services in 2021
CMS data shows 27 Medicare services from Dr. Dinh across 1 procedure code in 2021, for 11 Medicare patients. Medicare paid $1,705 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dinh's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 372021: 2727%
Dr. Dinh compared with the California median for hospitalists, 2021
- Dr. Dinh
- California median
- Medicare services
- 27vs 43094% below
- Medicare patients
- 11vs 20195% below
- Part D claims
- 38vs 6945% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Dinh's most billed Medicare procedure codes, 2021
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. Dinh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dinh and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James P. Dinh treated 11 Medicare patients in 2024, average age 65
CMS counts 11 Medicare patients who saw Dr. Dinh in 2024. Their average risk score is 5.13, 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. Dinh's median patient age at 69, with 52% women.
Dr. Dinh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James P. Dinh wrote 237 Medicare Part D claims in 2024
In 2024, Dr. Dinh wrote 237 Medicare Part D claims for 76 patients. 89% of them were for generic drugs. CMS names the drug for 38 of them, across 2 drugs with 11 or more claims each, at $622 in total drug cost. In 2022, CMS named 20 claims across 1 drug.
Dr. Dinh's Part D claims by kind of drug, 2024
- Generic212 claims89%
- Brand-name25 claims11%
Dr. Dinh's 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. Dinh's Part D claims, 2024
- Antibiotics15%35 of 237 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 202024: 3890%
Drugs named by CMS: 2 in 2024, 1 in 2022.
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. James P. Dinh takes part in Medicare
Dr. Dinh 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. James P. Dinh received $366 in industry payments from 2016 to 2023
CMS Open Payments shows 4 general payments to Dr. Dinh from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $126.
General payments to Dr. Dinh by program year, 2016 to 2023
Companies that paid Dr. Dinh the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James P. Dinh graduated from Tufts University School Of Medicine
Dr. Dinh graduated from Tufts University School Of Medicine in 1998.
- Medical school
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. James P. Dinh accepts plans from 3 insurance carriers
Dr. Dinh is in network with 3 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Michigan and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Dinh accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. James P. Dinh'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 Dr. James P. Dinh
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. James P. Dinh's NPI number?
Dr. James P. Dinh's NPI number is 1104915081. It was assigned on October 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James P. Dinh?
Dr. James P. Dinh is a hospitalist in Fontana, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. James P. Dinh practice?
Dr. Dinh practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Dinh's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Dinh to 1 group practice or clinic.
What is Dr. James P. Dinh's office phone number?
The practice phone on file for Dr. Dinh is (909) 427-5000.
What is Dr. James P. Dinh's medical license number?
Dr. Dinh holds California license A71332, one of the licenses on file in 2 states.
Which states has Dr. James P. Dinh been licensed in?
Dmand AI has state licenses on file for Dr. Dinh in California (2000 to 2026) and Utah (2001 to 2006).
Which hospitals is Dr. James P. Dinh affiliated with?
Dr. Dinh is affiliated with Fontana Medical Center.
What medical group is Dr. James P. Dinh part of?
Dr. Dinh is linked to Southern California Permanente Medical Group.
Does Dr. James P. Dinh accept Medicare?
Yes. CMS data shows Dr. Dinh billed Medicare for 27 services in 2021, and Dr. Dinh accepts Medicare assignment.
How many Medicare patients does Dr. James P. Dinh see?
CMS counts 11 Medicare patients who saw Dr. Dinh in 2024, with an average age of 65.
Show 7 more questionsShow fewer questions
Is Dr. James P. Dinh board certified?
Yes. Dr. Dinh is board certified in hospice and palliative medicine by the American Board of Internal Medicine.
What services does Dr. James P. Dinh bill to Medicare?
In 2021, Dr. Dinh's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. James P. Dinh go to medical school?
Dr. Dinh graduated from Tufts University School Of Medicine in 1998.
What drugs does Dr. James P. Dinh prescribe most?
In 2024 Medicare Part D data, Dr. Dinh's most prescribed drugs by claims were Bisoprolol Fumarate and Furosemide.
Has Dr. James P. Dinh received payments from drug or device companies?
CMS Open Payments shows $366 in general payments to Dr. Dinh from 4 companies from 2016 to 2023. The largest total came from Cook Medical LLC.
How long has Dr. James P. Dinh been practicing?
Dr. Dinh graduated from medical school in 1998, 28 years ago.
What insurance does Dr. James P. Dinh accept?
Dr. Dinh is in network with 3 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Michigan and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to hospitalist practices?
See hospitalists 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