Mark C. Feinstein, D.O.
Psychiatry Physician · Scottsdale, AZ
Mark C. Feinstein, D.O. is a psychiatry physician with a practice address in Scottsdale, Arizona, and NPI 1033176755, issued on Apr 27, 2006. Check the license (Arizona 006223, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark C. Feinstein
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 006223 AZ
DO 565 SC
44430 WI
Self-reported in NPPES; status is on the state search - Practice location
- 6501 E Greenway Pkwy # 103-468, Scottsdale, AZ 85254
- Phone
- (480) 695-8600
- Enumerated
- Apr 27, 2006
- Record last updated
- Nov 4, 2022
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Verify Mark C. Feinstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 006223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average psychiatry physician in 2024
791 Medicare Part D claims for 53 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Clonazepam124 claims
- Lamotrigine62 claims
- Dextroamphetamine-Amphetamine50 claims
- Quetiapine Fumarate41 claims
- Trazodone Hcl33 claims
- Alprazolam26 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.
Mark C. Feinstein among 942 psychiatry physician records in Arizona
Mark C. Feinstein, D.O. is one of 942 psychiatry physician records with a practice address in Arizona. 67% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Arizona
There are 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Scottsdale → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Richard Gottlieb, M.D.Scottsdale, AZ 852541205891413
- Marie Gronley, M.D.Scottsdale, AZ 852541447392725
- Supriya Nair, D.O.Scottsdale, AZ 852541841328077
- Alpa Sanghvi, M.D.Scottsdale, AZ 852541174610976
- Anna Shier, DOScottsdale, AZ 852541427211937
- Jack Shier, M.D.Scottsdale, AZ 852541245468016
- Kevin Stahl, M.D.Scottsdale, AZ 852541356319982
- Gary Stern, D.O.Scottsdale, AZ 852541548257702
Common questions
What is Mark C. Feinstein, D.O.'s NPI number?
Mark C. Feinstein, D.O.'s National Provider Identifier (NPI) is 1033176755, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark C. Feinstein, D.O. located?
The NPPES record lists a practice address at 6501 E Greenway Pkwy # 103-468, Scottsdale, AZ, 85254. Phone: (480) 695-8600. Providers update this record themselves, so call before visiting.
How can I verify Mark C. Feinstein, D.O.'s license?
NPPES lists Arizona license number 006223, 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 C. Feinstein, D.O. prescribe under Medicare Part D?
In 2024, Mark C. Feinstein, D.O. had 791 Medicare Part D claims for 53 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.