Dr. Michael James Ajuria, MD
- Medicare services, 2024
- 151
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 963
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 4501 Sand Creek Road, Antioch, CA 94531
- Practice phone
- Call (925) 813-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ajuria's professional email, personal email and mobile number
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Dr. Michael James Ajuria is a nephrologist in Antioch, California
Dr. Ajuria practices at Antioch Medical Center in Antioch, California, part of Kaiser Permanente.
Dr. Ajuria's NPI, 1922425057, was assigned on March 26, 2014. Dr. Ajuria graduated from St. George's University School of Medicine in 2014. Dr. Ajuria holds California license A144362.
- NPI
- 1922425057NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305113697
- NPI enumeration date
- March 26, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 813-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael James Ajuria practices at Antioch Medical Center in Antioch, California
Dr. Ajuria's primary practice is Antioch Medical Center, at 4501 Sand Creek Road, Antioch, CA 94531 in Contra Costa County. The practice phone is (925) 813-6500.
- Antioch Medical Center4501 Sand Creek Road, Antioch, CA 94531 · Contra Costa CountyPhone(925) 813-6500
Source: Dmand AI Affiliation Data
Dr. Michael James Ajuria is affiliated with 5 sites of care and 2 medical groups
Dr. Ajuria's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Ajuria to 2 more dialysis centers, 2 group practices and clinics and 1 medical group, 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. Michael James Ajuria's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ajuria practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Antioch Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael James Ajuria is one of 1,401 nephrologists in California
Nephrology is Dr. Ajuria's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ajuria is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ajuria is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Ajuria treats.
Nephrologists near Dr. Ajuria
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. Michael James Ajuria billed Medicare for 151 services in 2024
CMS data shows 151 Medicare services from Dr. Ajuria across 2 procedure codes in 2024, for 120 Medicare patients. Medicare paid $10,069 for them.
Dr. Ajuria's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6952024: 15178%
- Tests and treatments
- 2023: 792024: 0100%
Where Dr. Ajuria's Medicare services took place, 2024
- In an office3221%
- In a facility11979%
Dr. Ajuria compared with the California median for nephrologists, 2024
- Dr. Ajuria
- California median
- Medicare services
- 151vs 1,08486% below
- Medicare patients
- 120vs 30761% below
- Part D claims
- 732vs 95523% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Ajuria'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. Ajuria?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ajuria and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael James Ajuria treated 120 Medicare patients in 2024, average age 72
CMS counts 120 Medicare patients who saw Dr. Ajuria in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 55% are also on Medicaid. Their average risk score is 5.31, 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. Ajuria's median patient age at 66, with 52% women.
Dr. Ajuria's Medicare patients by age, 2024
Dr. Ajuria's Medicare patients by sex, 2024
- Women6151%
- Men5949%
Chronic conditions among Dr. Ajuria's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol73%
- Heart failure63%
- Diabetes59%
- Ischemic heart disease47%
- Atrial fibrillation46%
- Arthritis42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ajuria's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael James Ajuria wrote 963 Medicare Part D claims in 2024
In 2024, Dr. Ajuria wrote 963 Medicare Part D claims for 264 patients. 76% of them were for generic drugs. CMS names the drug for 732 of them, across 25 drugs with 11 or more claims each, at $149,179 in total drug cost. In 2023, CMS named 303 claims across 12 drugs.
Dr. Ajuria's Part D claims by kind of drug, 2024
- Generic734 claims76%
- Brand-name and other229 claims24%
Dr. Ajuria'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. Ajuria's Part D claims, 2024
- Antibiotics2%20 of 963 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: 3032024: 732142%
Drugs named by CMS: 25 in 2024, 12 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 Dr. Michael James Ajuria takes part in Medicare
Dr. Ajuria 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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Dr. Michael James Ajuria has 1 publication on record
Dmand AI links 1 paper to Dr. Ajuria in 2021. Dr. Ajuria's most frequent co-author is Graham Edwin Abra, MD.
Dr. Ajuria's most frequent co-authors
Recent publications by Dr. Ajuria
See who Dr. Ajuria researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ajuria 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. Michael James Ajuria received $54 in industry payments from 2019 to 2022
CMS Open Payments shows 2 general payments to Dr. Ajuria from 2 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $29.
General payments to Dr. Ajuria by program year, 2019 to 2022
Companies that paid Dr. Ajuria the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael James Ajuria graduated from St. George's University School of Medicine
Dr. Ajuria graduated from St. George's University School of Medicine in 2014. Dr. Ajuria is a member of ACP and ASN.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Michael James Ajuria accepts plans from 8 insurance carriers
Dr. Ajuria is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Kaiser Permanente. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
Plan types Dr. Ajuria accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael James Ajuria'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) |
| 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. Michael James Ajuria
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. Michael James Ajuria's NPI number?
Dr. Michael James Ajuria's NPI number is 1922425057. It was assigned on March 26, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael James Ajuria?
Dr. Michael James Ajuria is a nephrologist in Antioch, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Michael James Ajuria practice?
Dr. Ajuria practices at 4501 Sand Creek Road, Antioch, CA 94531. Dr. Ajuria's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. Dmand AI also links Dr. Ajuria to 2 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Michael James Ajuria's office phone number?
The practice phone on file for Dr. Ajuria is (925) 813-6500.
What is Dr. Michael James Ajuria's medical license number?
Dr. Ajuria holds California license A144362.
Which hospitals is Dr. Michael James Ajuria affiliated with?
Dr. Ajuria practices at Antioch Medical Center in Antioch, California.
What medical group is Dr. Michael James Ajuria part of?
Dr. Ajuria is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Ajuria to 1 more medical group.
Does Dr. Michael James Ajuria accept Medicare?
Yes. CMS data shows Dr. Ajuria billed Medicare for 151 services in 2024, and Dr. Ajuria accepts Medicare assignment.
How many Medicare patients does Dr. Michael James Ajuria see?
CMS counts 120 Medicare patients who saw Dr. Ajuria in 2024, with an average age of 72.
Is Dr. Michael James Ajuria board certified?
Yes. Dr. Ajuria is board certified in internal medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Michael James Ajuria bill to Medicare?
In 2024, Dr. Ajuria's most billed Medicare services were hospital inpatient care (99232) and office visit, established patient (99214).
Where did Dr. Michael James Ajuria go to medical school?
Dr. Ajuria graduated from St. George's University School of Medicine in 2014.
What drugs does Dr. Michael James Ajuria prescribe most?
In 2024 Medicare Part D data, Dr. Ajuria's most prescribed drugs by claims were Jardiance, Losartan Potassium and Amlodipine Besylate.
Has Dr. Michael James Ajuria received payments from drug or device companies?
CMS Open Payments shows $54 in general payments to Dr. Ajuria from 2 companies from 2019 to 2022. The largest total came from Gilead Sciences, Inc.
How long has Dr. Michael James Ajuria been practicing?
Dr. Ajuria graduated from medical school in 2014, 12 years ago.
Does Dr. Michael James Ajuria do research?
Dmand AI links 1 publication to Dr. Ajuria.
Who does Dr. Michael James Ajuria publish with?
Dr. Ajuria's most frequent co-authors are Graham Edwin Abra, MD (1 shared paper).
What insurance does Dr. Michael James Ajuria accept?
Dr. Ajuria is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Kaiser Permanente. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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