Mark A. Tosca, D.O.
Family Medicine Physician · Scottsdale, AZ
Mark A. Tosca, D.O. is a family medicine physician with a practice address in Scottsdale, Arizona, and NPI 1053370981, issued on Mar 20, 2006. Check the license (Arizona 4273, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark A. Tosca
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4273 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 8401 E Bonnie Rose Ave, Scottsdale, AZ 85250
- Phone
- (480) 612-1427
- Enumerated
- Mar 20, 2006
- Record last updated
- Mar 8, 2023
- Fax
- (602) 288-2495
- Medicaid ID
- 980012 AZ
- Medicare enrollment
- Enrolled (PECOS I20060504000042); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Verify Mark A. Tosca in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 4273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
363 Medicare Part D claims for 265 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Cefdinir48 claims
- Prednisone40 claims
- Doxycycline Monohydrate31 claims
- Amoxicillin-Clavulanate Potass26 claims
- Ondansetron Hcl20 claims
- Tramadol Hcl15 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.
Bills Medicare through 2 group practices
- Emergency Group OF Arizona Professional CorporationPhoenix, AZ
- Emergency Physicians Southwest PCPayson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Tosca among 3,119 family medicine physician records in Arizona
Mark A. Tosca, D.O. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2001 · median 2006 among the 1,775 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
285 family medicine physician records list a practice address in Scottsdale
They are 285 of the 11,008 NPPES records with a practice address in Scottsdale, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Scottsdale → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dena Cornelius, MDScottsdale, AZ 852501366429086
- Andrew Davey, M.D.Scottsdale, AZ 852501992742563
- Mark Dechter, M.D.Scottsdale, AZ 852501174598478
- Shari Gibson, MDScottsdale, AZ 852501902814916
- Laura Henson, M.D.Scottsdale, AZ 852501265780027
- Helen Hilts, M.D.Scottsdale, AZ 852501396791893
- Theo Keating, DNPScottsdale, AZ 852501982595716
- Karen Lee, M.D.Scottsdale, AZ 852501477592467
Common questions
What is Mark A. Tosca, D.O.'s NPI number?
Mark A. Tosca, D.O.'s National Provider Identifier (NPI) is 1053370981, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Tosca, D.O. located?
The NPPES record lists a practice address at 8401 E Bonnie Rose Ave, Scottsdale, AZ, 85250. Phone: (480) 612-1427. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Tosca, D.O.'s license?
NPPES lists Arizona license number 4273, 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 Mark A. Tosca, D.O. prescribe under Medicare Part D?
In 2024, Mark A. Tosca, D.O. had 363 Medicare Part D claims for 265 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.