Dr. Fredrick V. Osorio, MD
- Medicare services, 2024
- 3,920
- Medicare patients, 2024
- 763
- Part D claims, 2024
- 1,566
- Hospital affiliations
- 5
- Industry payments
- $8,342
- Practice address
- 612 W Baseline Rd, Mesa, AZ 85210
- Practice phone
- Call (480) 357-8009
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mountain Vista Dialysis Center of Arizona
Mesa, Arizona
Find Dr. Osorio'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. Fredrick V. Osorio is a nephrologist in Mesa, Arizona
Dr. Osorio practices at Mountain Vista Dialysis Center of Arizona in Mesa, Arizona.
Dr. Osorio's NPI, 1306830229, was assigned on September 7, 2005. Dr. Osorio graduated from University of Michigan Medical School in 1991. Dr. Osorio holds Arizona license 24517.
- NPI
- 1306830229NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618879909
- NPI enumeration date
- September 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 357-8009
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Fredrick V. Osorio practices at Mountain Vista Dialysis Center of Arizona in Mesa, Arizona
Dr. Osorio's primary practice is Mountain Vista Dialysis Center of Arizona, at 612 W Baseline Rd, Mesa, AZ 85210 in Maricopa County. The practice phone is (480) 357-8009.
- Mountain Vista Dialysis Center of Arizona612 W Baseline Rd, Mesa, AZ 85210 · Maricopa CountyPhone(480) 357-8009
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Fredrick V. Osorio is affiliated with 12 sites of care and 3 medical groups
Dr. Osorio's primary practice is Mountain Vista Dialysis Center of Arizona in Mesa, Arizona. Dr. Osorio is also affiliated with Banner Baywood Medical Center. The medical group on file is Banner Cancer Center Specialists LLC. Dmand AI also links Dr. Osorio to 4 more hospitals, 4 dialysis centers, 2 group practices and clinics and 2 medical groups, 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. Fredrick V. Osorio's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Osorio practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mountain Vista Dialysis Center of Arizona | Available with a free account |
| +11 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Fredrick V. Osorio is one of 268 nephrologists in Arizona
Nephrology is Dr. Osorio's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Osorio is licensed in Arizona.
Specialties and state licenses
- Nephrology, ArizonaPrimary
Nephrologists near Dr. Osorio
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. Fredrick V. Osorio billed Medicare for 3,920 services in 2024
CMS data shows 3,920 Medicare services from Dr. Osorio across 29 procedure codes in 2024, for 763 Medicare patients. Medicare paid $223,818 for them.
Dr. Osorio's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,7822024: 1,58011%
- Office and hospital visits
- 2023: 1,3802024: 1,4948%
- Tests and treatments
- 2023: 4252024: 34419%
- Other services
- 2023: 02024: 254
- Surgery
- 2023: 3082024: 24819%
- Drugs given in the office
- 2023: 4852024: 0100%
Where Dr. Osorio's Medicare services took place, 2024
- In an office3,10479%
- In a facility81621%
Dr. Osorio compared with the Arizona median for nephrologists, 2024
- Dr. Osorio
- Arizona median
- Medicare services
- 3,920vs 1,4592.7 times
- Medicare patients
- 763vs 40190% above
- Part D claims
- 1,315vs 84057% above
Medians across 272 nephrologists in Arizona with Dmand AI profiles that report each measure.
Dr. Osorio'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. Osorio?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Osorio and other nephrologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Fredrick V. Osorio treated 763 Medicare patients in 2024, average age 76
CMS counts 763 Medicare patients who saw Dr. Osorio in 2024. The largest group is 75 to 84, with 330 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 3.11, 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. Osorio's median patient age at 73, with 44% women.
Dr. Osorio's Medicare patients by age, 2024
Dr. Osorio's Medicare patients by sex, 2024
- Women37749%
- Men38651%
Chronic conditions among Dr. Osorio's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Arthritis53%
- Ischemic heart disease50%
- Heart failure39%
- Atrial fibrillation37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Osorio's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women44%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Fredrick V. Osorio wrote 1,566 Medicare Part D claims in 2024
In 2024, Dr. Osorio wrote 1,566 Medicare Part D claims for 358 patients. 92% of them were for generic drugs. CMS names the drug for 1,315 of them, across 27 drugs with 11 or more claims each, at $62,059 in total drug cost. In 2023, CMS named 1,558 claims across 31 drugs.
Dr. Osorio's Part D claims by kind of drug, 2024
- Generic1,447 claims92%
- Brand-name119 claims8%
Dr. Osorio'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. Osorio's Part D claims, 2024
- Antibiotics2%34 of 1,566 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: 1,5582024: 1,31516%
Drugs named by CMS: 27 in 2024, 31 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. Fredrick V. Osorio takes part in Medicare
Dr. Osorio 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. Fredrick V. Osorio received $8,342 in industry payments from 2016 to 2025
CMS Open Payments shows 282 general payments to Dr. Osorio from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 65% of the total. Relypsa, Inc. paid the most, $3,230.
General payments to Dr. Osorio by program year, 2016 to 2025
General payments to Dr. Osorio by kind, 2016 to 2025
- Food and beverage$5,42365%
- Consulting fees$2,70032%
- Education$2203%
Companies that paid Dr. Osorio 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. Fredrick V. Osorio graduated from University of Michigan Medical School
Dr. Osorio graduated from University of Michigan Medical School in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Fredrick V. Osorio'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Fredrick V. Osorio
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. Fredrick V. Osorio's NPI number?
Dr. Fredrick V. Osorio's NPI number is 1306830229. It was assigned on September 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Fredrick V. Osorio?
Dr. Fredrick V. Osorio is a nephrologist in Mesa, Arizona. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Fredrick V. Osorio practice?
Dr. Osorio practices at 612 W Baseline Rd, Mesa, AZ 85210. Dr. Osorio's primary practice is Mountain Vista Dialysis Center of Arizona in Mesa, Arizona. Dmand AI also links Dr. Osorio to 4 hospitals, 4 dialysis centers, 2 group practices and clinics and 2 medical groups.
What is Dr. Fredrick V. Osorio's office phone number?
The practice phone on file for Dr. Osorio is (480) 357-8009.
What is Dr. Fredrick V. Osorio's medical license number?
Dr. Osorio holds Arizona license 24517.
Which hospitals is Dr. Fredrick V. Osorio affiliated with?
Dr. Osorio is affiliated with Banner Baywood Medical Center. Dmand AI links Dr. Osorio to 4 more hospitals.
What medical group is Dr. Fredrick V. Osorio part of?
Dr. Osorio is linked to Banner Cancer Center Specialists LLC. Dmand AI links Dr. Osorio to 2 more medical groups.
Does Dr. Fredrick V. Osorio accept Medicare?
Yes. CMS data shows Dr. Osorio billed Medicare for 3,920 services in 2024, and Dr. Osorio accepts Medicare assignment.
How many Medicare patients does Dr. Fredrick V. Osorio see?
CMS counts 763 Medicare patients who saw Dr. Osorio in 2024, with an average age of 76.
What services does Dr. Fredrick V. Osorio bill to Medicare?
In 2024, Dr. Osorio's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and dialysis (90960).
Show 4 more questionsShow fewer questions
Where did Dr. Fredrick V. Osorio go to medical school?
Dr. Osorio graduated from University of Michigan Medical School in 1991.
What drugs does Dr. Fredrick V. Osorio prescribe most?
In 2024 Medicare Part D data, Dr. Osorio's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Calcitriol.
Has Dr. Fredrick V. Osorio received payments from drug or device companies?
CMS Open Payments shows $8,342 in general payments to Dr. Osorio from 34 companies from 2016 to 2025. The largest total came from Relypsa, Inc.
How long has Dr. Fredrick V. Osorio been practicing?
Dr. Osorio graduated from medical school in 1991, 35 years ago.
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