Fredrick V. Osorio, M.D.
Nephrology Physician · Mesa, AZ
Fredrick V. Osorio, M.D. is a nephrology physician with a practice address in Mesa, Arizona, and NPI 1306830229, issued on Sep 7, 2005. Check the license (Arizona 24517, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Fredrick V. Osorio
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 24517 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 301 S Power RD Ste 103, Mesa, AZ 85206
- Phone
- (480) 325-7535
- Enumerated
- Sep 7, 2005
- Record last updated
- Jun 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (480) 325-7462
- Medicaid IDs
- 380840 AZ
7712630 SD - Medicare enrollment
- Enrolled (PECOS I20070508000559); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1991
- Entity
- Type 1 · individual
Also registered at 301 S Power RD Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bindu Jayavelu, M.D.Nephrology Physician1003965278
- Vasudevan Nair, M.D.Nephrology Physician1629025796
Verify Fredrick V. Osorio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 24517Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average nephrology physician in 2024
1,566 Medicare Part D claims for 358 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Amlodipine Besylate140 claims
- Losartan Potassium139 claims
- Calcitriol134 claims
- Hydrochlorothiazide120 claims
- Furosemide107 claims
- Spironolactone89 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $648.85
31 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Banner Cancer Center Specialists LLCGilbert, AZ
- Southwest Kidney Institute PLCCarefree, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in Arizona
There are 278 nephrology physician records in Arizona.
Other nephrology physician records in Arizona
- Abubakr Abdelaziz, M.DKingman, AZ1649617226
- Sohail Abdul Salim, MDPhoenix, AZ1457658007
- Manuel Abrante, M.D.Mesa, AZ1942293527
- Naief Abudaff, MDPhoenix, AZ1295229920
- Chirag Acharya, MDSun City, AZ1437512506
- Mohit AgarwalPhoenix, AZ1407061781
- Irfan Ahmed, MDChandler, AZ1750540498
- Jamil Ahmed, M.D.Tucson, AZ1588685879
- Kamal Eldin Ahmed, M.D.Yuma, AZ1952352411
- Sami Alasfar, M.D.Scottsdale, AZ1447489000
Common questions
What is Fredrick V. Osorio, M.D.'s NPI number?
Fredrick V. Osorio, M.D.'s National Provider Identifier (NPI) is 1306830229, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Fredrick V. Osorio, M.D. located?
The NPPES record lists a practice address at 301 S Power RD Ste 103, Mesa, AZ, 85206. Phone: (480) 325-7535. Providers update this record themselves, so call before visiting.
How can I verify Fredrick V. Osorio, M.D.'s license?
NPPES lists Arizona license number 24517, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Fredrick V. Osorio, M.D. prescribe under Medicare Part D?
In 2024, Fredrick V. Osorio, M.D. had 1,566 Medicare Part D claims for 358 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.