Mark Ira Feldman, M.D.
Cardiovascular Disease Physician · Tucson, AZ
Mark Ira Feldman, M.D. is a cardiovascular disease physician with a practice address in Tucson, Arizona, and NPI 1356334957, issued on Aug 30, 2005. Check the license (Arizona 5756, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Ira Feldman
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 5756 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3801 N Campbell Ave, Tucson, AZ 85719
- Phone
- (520) 327-3644
- Enumerated
- Aug 30, 2005
- Record last updated
- May 8, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (520) 327-4867
- Medicaid ID
- 281543 AZ
- Medicare enrollment
- Enrolled (PECOS I20051031000128); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 488 in Arizona → Look up another NPI →
Also registered at 3801 N Campbell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Capotosti, FNPFamily Nurse Practitioner1851613780
- Monica Diamos, O.D.Optometrist1528046240
Verify Mark Ira Feldman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 5756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
146 Medicare Part D claims for 23 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium21 claims
- Furosemide13 claims
- Eliquis12 claims
- Metoprolol Tartrate11 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 Ira Feldman among 488 cardiovascular disease physician records in Arizona
Mark Ira Feldman, M.D. is one of 488 cardiovascular disease physician records with a practice address in Arizona. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1967 · median 1998 among the 329 with a school on file
- Record last updated2008 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Arizona
There are 488 cardiovascular disease physician records in Arizona.
All 488 in Arizona → Every provider in Tucson → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Joseph Alpert, MDTucson, AZ 857191265404446
- Song Peng Ang, MBBSTucson, AZ 857191093448623
- Hossein Ardehali, MDTucson, AZ 857191184750945
- Ikeotunye Chinyere, MD, PHDTucson, AZ 857191659060101
- Christy Lougheed, MDTucson, AZ 857191336767714
- Heidi Messiha, MDTucson, AZ 857191023637956
- Muhammad Pervez, MDTucson, AZ 857191225481443
- Nanda Pullela, MDTucson, AZ 857191952785628
Common questions
What is Mark Ira Feldman, M.D.'s NPI number?
Mark Ira Feldman, M.D.'s National Provider Identifier (NPI) is 1356334957, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ira Feldman, M.D. located?
The NPPES record lists a practice address at 3801 N Campbell Ave, Tucson, AZ, 85719. Phone: (520) 327-3644. Providers update this record themselves, so call before visiting.
How can I verify Mark Ira Feldman, M.D.'s license?
NPPES lists Arizona license number 5756, 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 Ira Feldman, M.D. prescribe under Medicare Part D?
In 2024, Mark Ira Feldman, M.D. had 146 Medicare Part D claims for 23 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.