Dr. April J. Fox, MD
- Medicare services, 2024
- 681
- Medicare patients, 2024
- 226
- Part D claims, 2024
- 2,677
- MIPS score, 2024
- 67
- Hospital affiliations
- 2
- Practice address
- 97 San Marin Dr, Novato, CA 94945
- Practice phone
- Call (415) 453-4437
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Rafael Dialysis
Novato, California
Find Dr. Fox'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. April J. Fox is a nephrologist in Novato, California
Dr. Fox practices at San Rafael Dialysis in Novato, California.
Dr. Fox's NPI, 1679571921, was assigned on July 11, 2005. Dr. Fox graduated from Tulane School of Medicine in 1999. Dr. Fox holds Louisiana license 024775.
- NPI
- 1679571921NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274519392
- NPI enumeration date
- July 11, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 453-4437
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. April J. Fox practices at San Rafael Dialysis in Novato, California
Dr. Fox's primary practice is San Rafael Dialysis, at 97 San Marin Dr, Novato, CA 94945 in Marin County. The practice phone is (415) 453-4437.
- San Rafael Dialysis97 San Marin Dr, Novato, CA 94945 · Marin CountyPhone(415) 453-4437
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. April J. Fox is affiliated with 6 sites of care and 2 medical groups
Dr. Fox's primary practice is San Rafael Dialysis in Novato, California. Dr. Fox is also affiliated with Touro Infirmary. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Fox to 1 more hospital, 2 group practices and clinics, 1 dialysis center and 1 medical group, each named with a free account.
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. April J. Fox's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fox practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Rafael Dialysis | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. April J. Fox is one of 1,401 nephrologists in California
Nephrology is Dr. Fox's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Fox is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Fox's licenses on file in 3 states: Louisiana, California and Colorado.
Specialties and state licenses
- Nephrology, LouisianaPrimary
- California license
- Colorado license
Clinical focus
Dmand AI lists acute kidney failure, chronic anemia, chronic kidney disease, fluid and electrolyte imbalances, gout, hypercalcemia, kidney cysts and kidney disease among the conditions Dr. Fox treats.
Nephrologists near Dr. Fox
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. April J. Fox billed Medicare for 681 services in 2024
CMS data shows 681 Medicare services from Dr. Fox across 11 procedure codes in 2024, for 226 Medicare patients. Medicare paid $67,627 for them.
Dr. Fox's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4862024: 56216%
- Other services
- 2023: 532024: 7338%
- Tests and treatments
- 2023: 592024: 4622%
Where Dr. Fox's Medicare services took place, 2024
- In an office36954%
- In a facility31246%
Dr. Fox compared with the California median for nephrologists, 2024
- Dr. Fox
- California median
- Medicare services
- 681vs 1,08437% below
- Medicare patients
- 226vs 30726% below
- Part D claims
- 2,304vs 9552.4 times
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Fox'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fox and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. April J. Fox treated 226 Medicare patients in 2024, average age 74
CMS counts 226 Medicare patients who saw Dr. Fox in 2024. The largest group is 65 to 74, with 96 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.65, 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. Fox's median patient age at 74, with 56% women.
Dr. Fox's Medicare patients by age, 2024
Dr. Fox's Medicare patients by sex, 2024
- Women13058%
- Men9642%
Chronic conditions among Dr. Fox's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease74%
- Arthritis50%
- Diabetes50%
- Heart failure36%
- Ischemic heart disease33%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fox's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. April J. Fox wrote 2,677 Medicare Part D claims in 2024
In 2024, Dr. Fox wrote 2,677 Medicare Part D claims for 315 patients. 70% of them were for generic drugs. CMS names the drug for 2,304 of them, across 56 drugs with 11 or more claims each, at $1,058,919 in total drug cost. In 2023, CMS named 2,160 claims across 55 drugs.
Dr. Fox's Part D claims by kind of drug, 2024
- Generic1,877 claims70%
- Brand-name and other800 claims30%
Dr. Fox'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. Fox's Part D claims, 2024
- Opioids1%14 of 2,677 claims
- Antibiotics2%44 of 2,677 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: 2,1602024: 2,3047%
Drugs named by CMS: 56 in 2024, 55 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. April J. Fox scored 67 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 67 out of 100 for Dr. Fox for performance year 2024, reported through an alternative payment model (APM). Dr. Fox accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fox's MIPS scores, performance year 2024
- 67of 100Final score
- 78.3of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. April J. Fox received $10,054 in industry payments from 2016 to 2025
CMS Open Payments shows 543 general payments to Dr. Fox from 51 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Amgen Inc. paid the most, $1,570.
General payments to Dr. Fox by program year, 2016 to 2025
General payments to Dr. Fox by kind, 2016 to 2025
- Food and beverage$9,85198%
- Education$2032%
Companies that paid Dr. Fox the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. April J. Fox has 1 award and honors on record
Dmand AI lists 1 award for Dr. Fox, most recently CMS Stage 1 2012 in 2012. Dr. Fox serves on Gulf South Quality Network, LAPCO and New Orleans Kidney Center ARA.
Awards and honors for Dr. Fox
- 2012
- CMS Stage 1 2012
Dr. Fox's committees and leadership roles
- Gulf South Quality NetworkBoard Member
- 2016 to present
- LAPCOBoard Member
- 2016 to present
- New Orleans Kidney Center ARAMedical Director
- 2016 to present
Source: Dmand AI Professional Profile Data
Dr. April J. Fox graduated from Tulane School of Medicine
Dr. Fox graduated from Tulane School of Medicine in 1999.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. April J. Fox accepts plans from 18 insurance carriers
Dr. Fox is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +10 more carriersWith a free account
Plan types Dr. Fox accepts, by number of carriers
- PPO11
- Medicare9
- HMO8
- POS8
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. April J. Fox'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)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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. April J. Fox
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. April J. Fox's NPI number?
Dr. April J. Fox's NPI number is 1679571921. It was assigned on July 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. April J. Fox?
Dr. April J. Fox is a nephrologist in Novato, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. April J. Fox practice?
Dr. Fox practices at 97 San Marin Dr, Novato, CA 94945. Dr. Fox's primary practice is San Rafael Dialysis in Novato, California. Dmand AI also links Dr. Fox to 1 hospital, 2 group practices and clinics, 1 dialysis center and 1 medical group.
What is Dr. April J. Fox's office phone number?
The practice phone on file for Dr. Fox is (415) 453-4437.
What is Dr. April J. Fox's medical license number?
Dr. Fox holds Louisiana license 024775, one of the licenses on file in 3 states.
Which states has Dr. April J. Fox been licensed in?
Dmand AI has state licenses on file for Dr. Fox in Louisiana (2000 to 2026), California (2025 to 2027) and Colorado (2005 to 2007).
Which hospitals is Dr. April J. Fox affiliated with?
Dr. Fox is affiliated with Touro Infirmary. Dmand AI links Dr. Fox to 1 more hospital.
What medical group is Dr. April J. Fox part of?
Dr. Fox is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Fox to 1 more medical group.
Does Dr. April J. Fox accept Medicare?
Yes. CMS data shows Dr. Fox billed Medicare for 681 services in 2024, and Dr. Fox accepts Medicare assignment.
What is Dr. April J. Fox's MIPS score?
Dr. Fox's MIPS final score for performance year 2024 is 67 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. April J. Fox see?
CMS counts 226 Medicare patients who saw Dr. Fox in 2024, with an average age of 74.
Is Dr. April J. Fox board certified?
Yes. Dr. Fox is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. April J. Fox bill to Medicare?
In 2024, Dr. Fox's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. April J. Fox go to medical school?
Dr. Fox graduated from Tulane School of Medicine in 1999.
What drugs does Dr. April J. Fox prescribe most?
In 2024 Medicare Part D data, Dr. Fox's most prescribed drugs by claims were Farxiga, Furosemide and Losartan Potassium.
Has Dr. April J. Fox received payments from drug or device companies?
CMS Open Payments shows $10,054 in general payments to Dr. Fox from 51 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. April J. Fox been practicing?
Dr. Fox graduated from medical school in 1999, 27 years ago.
What insurance does Dr. April J. Fox accept?
Dr. Fox is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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