Dr. Joji James, MD
- Medicare services, 2024
- 4,060
- Medicare patients, 2024
- 311
- Part D claims, 2024
- 543
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 23141 Moulton Pkwy, Laguna Hills, CA 92653
- Practice phone
- Call (949) 516-0606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rhwc Surgery Center, LLC
Laguna Hills, California
Find Dr. James' 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. Joji James is a nephrologist in Laguna Hills, California
Dr. James practices at Rhwc Surgery Center, LLC in Laguna Hills, California.
Dr. James' NPI, 1134534571, was assigned on June 24, 2014. Dr. James graduated from Other in 2012. Dr. James holds California license A176909.
- NPI
- 1134534571NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446594618
- NPI enumeration date
- June 24, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (949) 516-0606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joji James practices at Rhwc Surgery Center, LLC in Laguna Hills, California
Dr. James' primary practice is Rhwc Surgery Center, LLC, at 23141 Moulton Pkwy, Laguna Hills, CA 92653 in Orange County. The practice phone is (949) 516-0606.
- Rhwc Surgery Center, LLC23141 Moulton Pkwy, Laguna Hills, CA 92653 · Orange CountyPhone(949) 516-0606
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joji James is affiliated with 7 sites of care and 3 medical groups
Dr. James' primary practice is Rhwc Surgery Center, LLC in Laguna Hills, California. Dr. James is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is SCKE Health. Dmand AI also links Dr. James to 2 more hospitals, 2 group practices and clinics, 2 medical groups and 1 dialysis center, 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 Dr. Joji James' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. James practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rhwc Surgery Center, LLC | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joji James is one of 1,401 nephrologists in California
Nephrology is Dr. James' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. James is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. James' licenses on file in 3 states: California, Pennsylvania and New York.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Pennsylvania license
- New York license
Clinical focus
Dmand AI lists acute kidney failure, chronic diabetes, chronic kidney disease, fluid and electrolyte imbalances, kidney cysts and tobacco use among the conditions Dr. James treats.
Nephrologists near Dr. James
Counts of nephrologists 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. Joji James billed Medicare for 4,060 services in 2024
CMS data shows 4,060 Medicare services from Dr. James across 34 procedure codes in 2024, for 311 Medicare patients. Medicare paid $132,304 for them.
Dr. James' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 6562024: 2,325254%
- Office and hospital visits
- 2023: 5492024: 80446%
- Other services
- 2023: 872024: 563547%
- Surgery
- 2023: 1052024: 258146%
- Imaging
- 2023: 502024: 8876%
- Tests and treatments
- 2023: 5972024: 2296%
Where Dr. James' Medicare services took place, 2024
- In an office3,92097%
- In a facility1403%
Dr. James compared with the California median for nephrologists, 2024
- Dr. James
- California median
- Medicare services
- 4,060vs 1,0843.7 times
- Medicare patients
- 311vs 307Close to median
- Part D claims
- 370vs 95561% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. James' 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. James?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. James and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joji James treated 311 Medicare patients in 2024, average age 76
CMS counts 311 Medicare patients who saw Dr. James in 2024. The largest group is 75 to 84, with 137 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 14% 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 Dr. James' median patient age at 72, with 50% women.
Dr. James' Medicare patients by age, 2024
Dr. James' Medicare patients by sex, 2024
- Women17055%
- Men14145%
Chronic conditions among Dr. James' Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Arthritis50%
- Ischemic heart disease38%
- Mood disorders28%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. James' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joji James wrote 543 Medicare Part D claims in 2024
In 2024, Dr. James wrote 543 Medicare Part D claims for 159 patients. 76% of them were for generic drugs. CMS names the drug for 370 of them, across 11 drugs with 11 or more claims each, at $81,622 in total drug cost. In 2023, CMS named 87 claims across 5 drugs.
Dr. James' Part D claims by kind of drug, 2024
- Generic414 claims76%
- Brand-name129 claims24%
Dr. James' 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. James' Part D claims, 2024
- Antibiotics4%24 of 543 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: 872024: 370325%
Drugs named by CMS: 11 in 2024, 5 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. Joji James offers telehealth to Medicare patients
Dr. James accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. James as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joji James has 1 publication on record
Dmand AI links 1 paper to Dr. James in 2019. Dr. James' most frequent co-authors are Steven N. Fishbane, MD and Kenar Dinesh Jhaveri, MD.
Dr. James' most frequent co-authors
- Steven N. Fishbane, MD1 shared paper
- Kenar Dinesh Jhaveri, MD1 shared paper
Recent publications by Dr. James
See who Dr. James researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. James works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joji James received $1,600 in industry payments from 2022 to 2025
CMS Open Payments shows 59 general payments to Dr. James from 22 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 99% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $305.
General payments to Dr. James by program year, 2022 to 2025
General payments to Dr. James by kind, 2022 to 2025
- Food and beverage$1,58699%
- Education$141%
Companies that paid Dr. James the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joji James graduated from Other
Dr. James graduated from Other in 2012.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Joji James accepts plans from 12 insurance carriers
Dr. James is in network with 12 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Highmark
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- +4 more carriersWith a free account
Plan types Dr. James accepts, by number of carriers
- Medicare11
- PPO9
- HMO7
- EPO4
- POS4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Joji James'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) |
| 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. Joji James
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. Joji James' NPI number?
Dr. Joji James' NPI number is 1134534571. It was assigned on June 24, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Joji James?
Dr. Joji James is a nephrologist in Laguna Hills, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Joji James practice?
Dr. James practices at 23141 Moulton Pkwy, Laguna Hills, CA 92653. Dr. James' primary practice is Rhwc Surgery Center, LLC in Laguna Hills, California. Dmand AI also links Dr. James to 2 hospitals, 2 group practices and clinics, 2 medical groups and 1 dialysis center.
What is Dr. Joji James' office phone number?
The practice phone on file for Dr. James is (949) 516-0606.
What is Dr. Joji James' medical license number?
Dr. James holds California license A176909, one of the licenses on file in 3 states.
Which states has Dr. Joji James been licensed in?
Dmand AI has state licenses on file for Dr. James in California (2022 to 2026), Pennsylvania (2019 to 2022) and New York (2018 to 2021).
Which hospitals is Dr. Joji James affiliated with?
Dr. James is affiliated with MemorialCare Saddleback Medical Center. Dmand AI links Dr. James to 2 more hospitals.
What medical group is Dr. Joji James part of?
Dr. James is linked to SCKE Health. Dmand AI links Dr. James to 2 more medical groups.
Does Dr. Joji James accept Medicare?
Yes. CMS data shows Dr. James billed Medicare for 4,060 services in 2024, and Dr. James accepts Medicare assignment.
Does Dr. Joji James offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. James as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Joji James see?
CMS counts 311 Medicare patients who saw Dr. James in 2024, with an average age of 76.
Is Dr. Joji James board certified?
Yes. Dr. James is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Joji James bill to Medicare?
In 2024, Dr. James' most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G2211).
Where did Dr. Joji James go to medical school?
Dr. James graduated from Other in 2012.
What drugs does Dr. Joji James prescribe most?
In 2024 Medicare Part D data, Dr. James' most prescribed drugs by claims were Losartan Potassium, Kerendia and Furosemide.
Has Dr. Joji James received payments from drug or device companies?
CMS Open Payments shows $1,600 in general payments to Dr. James from 22 companies from 2022 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Joji James been practicing?
Dr. James graduated from medical school in 2012, 14 years ago.
Does Dr. Joji James do research?
Dmand AI links 1 publication to Dr. James.
Who does Dr. Joji James publish with?
Dr. James' most frequent co-authors are Steven N. Fishbane, MD (1 shared paper) and Kenar Dinesh Jhaveri, MD (1 shared paper).
What insurance does Dr. Joji James accept?
Dr. James is in network with 12 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
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