Dr. Benjamin Fritz, MD

  • Eureka, CA
  • Nephrologist
NPI1265482772PAC ID3678590502
Medicare services, 2024
1,026
Medicare patients, 2024
270
Part D claims, 2022
166
Publications
2
Hospital affiliations
3
Practice address
2505 Lucas St, Eureka, CA 95501
Practice phone
Call (707) 445-2033
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fresenius Medical Care of Eureka

Eureka, California

See all 15 affiliations

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Dr. Benjamin Fritz is a nephrologist in Eureka, California

Dr. Fritz practices at Fresenius Medical Care of Eureka in Eureka, California.

Dr. Fritz's NPI, 1265482772, was assigned on May 12, 2006. Dr. Fritz graduated from Stanford University School Of Medicine in 1997. Dr. Fritz holds Montana license MED-PHYS-LIC-88487.

NPI and contact details
Medicare PAC ID
3678590502
NPI enumeration date
May 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 445-2033
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Benjamin Fritz practices at Fresenius Medical Care of Eureka in Eureka, California

Dr. Fritz's primary practice is Fresenius Medical Care of Eureka, at 2505 Lucas St, Eureka, CA 95501 in Humboldt County. The practice phone is (707) 445-2033.

  • Fresenius Medical Care of Eureka
    2505 Lucas St, Eureka, CA 95501 · Humboldt CountyPhone(707) 445-2033

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Benjamin Fritz is affiliated with 10 sites of care and 5 medical groups

Dr. Fritz's primary practice is Fresenius Medical Care of Eureka in Eureka, California. Dr. Fritz is also affiliated with Eisenhower Health. The medical group on file is Providence St. Patrick Hospital. Dmand AI also links Dr. Fritz to 2 more hospitals, 4 dialysis centers, 4 medical groups and 2 group practices and clinics, each named with a free account.

See all 15 affiliations for Dr. Fritz

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. Benjamin Fritz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fritz practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fresenius Medical Care of EurekaAvailable with a free account
+9 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Benjamin Fritz is one of 1,401 nephrologists in California

Nephrology is Dr. Fritz's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Fritz is board certified in nephrology by the American Board of Internal Medicine. Dmand AI has Dr. Fritz's licenses on file in 8 states: Montana, Arizona, California, West Virginia, Florida, Ohio, Wisconsin and Alabama.

Specialties and state licenses

  • Nephrology, MontanaPrimaryLicense MED-PHYS-LIC-88487 · 2020 to 2026 · taxonomy 207RN0300X
  • Arizona license2024 to 2026
  • Specialist, CaliforniaLicense A66856 · 1998 to 2026 · taxonomy 174400000X
  • West Virginia license2023 to 2026
  • Florida license2023 to 2025
  • Ohio license2023 to 2025
  • Wisconsin license2023 to 2025
  • Alabama license2023 to 2024

Nephrologists near Dr. Fritz

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

1,401nephrologists in California
3nephrologists in Eureka

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Benjamin Fritz billed Medicare for 1,026 services in 2024

CMS data shows 1,026 Medicare services from Dr. Fritz across 5 procedure codes in 2024, for 270 Medicare patients. Medicare paid $77,919 for them.

Medicare services, 20241,026
Medicare patients270
Paid by Medicare$77,919
Procedure codes5

Dr. Fritz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2292024: 948314%
Tests and treatments
2023: 502024: 7856%

Where Dr. Fritz's Medicare services took place, 2024

  • In an office131%
  • In a facility1,01399%

Dr. Fritz compared with the California median for nephrologists, 2024

  • Dr. Fritz
  • California median
Medicare services
1,026vs 1,0845% below
Medicare patients
270vs 30712% below
Part D claims
166vs 95583% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Fritz'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.

See all procedures by Dr. Fritz

Need commercial claims for Dr. Fritz?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fritz and other nephrologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Benjamin Fritz treated 270 Medicare patients in 2024, average age 72

CMS counts 270 Medicare patients who saw Dr. Fritz in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 37% are also on Medicaid. Their average risk score is 5.01, 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. Fritz's median patient age at 68, with 42% women.

Medicare patients, 2024270
Average age72
Average risk score5.01
Also on Medicaid37%

Dr. Fritz's Medicare patients by age, 2024

Dr. Fritz's Medicare patients by sex, 2024

  • Women11442%
  • Men15658%

Chronic conditions among Dr. Fritz's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Heart failure62%
  5. Arthritis59%
  6. Diabetes59%
  7. Ischemic heart disease56%
  8. Atrial fibrillation44%

Share of Medicare patients with each condition. A patient can have several.

Dr. Fritz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women42%
  • Men58%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Benjamin Fritz wrote 166 Medicare Part D claims in 2022

In 2022, Dr. Fritz wrote 166 Medicare Part D claims. Every claim was for a generic drug. They cover 9 drugs, with $11,412 in total drug cost. In 2021, CMS named 210 claims across 13 drugs.

Part D claims, 2022166
Drugs named by CMS9
Total drug cost$11,412

Dr. Fritz's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 2102022: 16621%

Drugs named by CMS: 9 in 2022, 13 in 2021.

See all prescribing by Dr. Fritz

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Benjamin Fritz takes part in Medicare

Dr. Fritz 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

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Dr. Benjamin Fritz has 2 publications on record

Dmand AI links 2 papers to Dr. Fritz. Dr. Fritz's most frequent co-author is Elizabeth M. Wrone, MD.

Papers2

Dr. Fritz's most frequent co-authors

Recent publications by Dr. Fritz

See all 2 publications and co-authors

See who Dr. Fritz researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fritz works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Benjamin Fritz received $244 in industry payments from 2018 to 2023

CMS Open Payments shows 3 general payments to Dr. Fritz from 2 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Calliditas Therapeutics US Inc. paid the most, $123.

General payments to Dr. Fritz by program year, 2018 to 2023

Companies that paid Dr. Fritz the most, 2018 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Fritz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Benjamin Fritz graduated from Stanford University School Of Medicine

Dr. Fritz graduated from Stanford University School Of Medicine in 1997.

  1. Medical schoolStanford University School Of Medicine
  2. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Benjamin Fritz accepts plans from 9 insurance carriers

Dr. Fritz is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Plan types Dr. Fritz accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Benjamin Fritz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Benjamin Fritz

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. Benjamin Fritz's NPI number?

Dr. Benjamin Fritz's NPI number is 1265482772. It was assigned on May 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Benjamin Fritz?

Dr. Benjamin Fritz is a nephrologist in Eureka, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Benjamin Fritz practice?

Dr. Fritz practices at 2505 Lucas St, Eureka, CA 95501. Dr. Fritz's primary practice is Fresenius Medical Care of Eureka in Eureka, California. Dmand AI also links Dr. Fritz to 2 hospitals, 4 dialysis centers, 4 medical groups and 2 group practices and clinics.

What is Dr. Benjamin Fritz's office phone number?

The practice phone on file for Dr. Fritz is (707) 445-2033.

What is Dr. Benjamin Fritz's medical license number?

Dr. Fritz holds Montana license MED-PHYS-LIC-88487, one of the licenses on file in 8 states.

Which states has Dr. Benjamin Fritz been licensed in?

Dmand AI has state licenses on file for Dr. Fritz in Montana (2020 to 2026), Arizona (2024 to 2026), California (1998 to 2026), West Virginia (2023 to 2026), Florida (2023 to 2025), Ohio (2023 to 2025), Wisconsin (2023 to 2025) and Alabama (2023 to 2024).

Which hospitals is Dr. Benjamin Fritz affiliated with?

Dr. Fritz is affiliated with Eisenhower Health. Dmand AI links Dr. Fritz to 2 more hospitals.

What medical group is Dr. Benjamin Fritz part of?

Dr. Fritz is linked to Providence St. Patrick Hospital. Dmand AI links Dr. Fritz to 4 more medical groups.

Does Dr. Benjamin Fritz accept Medicare?

Yes. CMS data shows Dr. Fritz billed Medicare for 1,026 services in 2024, and Dr. Fritz accepts Medicare assignment.

How many Medicare patients does Dr. Benjamin Fritz see?

CMS counts 270 Medicare patients who saw Dr. Fritz in 2024, with an average age of 72.

Show 9 more questionsShow fewer questions

Is Dr. Benjamin Fritz board certified?

Yes. Dr. Fritz is board certified in nephrology by the American Board of Internal Medicine.

What services does Dr. Benjamin Fritz bill to Medicare?

In 2024, Dr. Fritz's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99222).

Where did Dr. Benjamin Fritz go to medical school?

Dr. Fritz graduated from Stanford University School Of Medicine in 1997.

What drugs does Dr. Benjamin Fritz prescribe most?

In 2022 Medicare Part D data, Dr. Fritz's most prescribed drugs by claims were Furosemide, Amlodipine Besylate and Calcitriol.

Has Dr. Benjamin Fritz received payments from drug or device companies?

CMS Open Payments shows $244 in general payments to Dr. Fritz from 2 companies from 2018 to 2023. The largest total came from Calliditas Therapeutics US Inc.

How long has Dr. Benjamin Fritz been practicing?

Dr. Fritz graduated from medical school in 1997, 29 years ago.

Does Dr. Benjamin Fritz do research?

Dmand AI links 2 publications to Dr. Fritz.

Who does Dr. Benjamin Fritz publish with?

Dr. Fritz's most frequent co-authors are Elizabeth M. Wrone, MD (1 shared paper).

What insurance does Dr. Benjamin Fritz accept?

Dr. Fritz is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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