Roy Loewenstein, MD
Internal Medicine Physician · Tucson, AZ
Roy Loewenstein, MD is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1295793941, issued on May 3, 2006. Check the license (Arizona 31081, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Roy Loewenstein
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 31081 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2330 N Rosemont Blvd Unit B, Tucson, AZ 85712
- Phone
- (520) 367-4299
- Enumerated
- May 3, 2006
- Record last updated
- Jun 25, 2026
- Fax
- (520) 367-4335
- Medicare enrollment
- Enrolled (PECOS I20040818000507); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2330 N Rosemont Blvd Unit B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monika Lynn, AGNP-CNurse Practitioner1588269732
- Veronica Pimienta, MDInternal Medicine Physician1952482663
- Tonya Taylor, FNPFamily Nurse Practitioner1578904454
Verify Roy Loewenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 31081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average internal medicine physician in 2024
10,930 Medicare Part D claims for 1,013 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 39 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium1,052 claims
- Losartan Potassium588 claims
- Amlodipine Besylate574 claims
- Atorvastatin Calcium458 claims
- Levothyroxine Sodium456 claims
- Pravastatin Sodium344 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: $148.95
9 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Arizona Community Physicians PCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 651 in Tucson → All 2,853 in Arizona → Every provider in Tucson →
Other internal medicine physician records in Arizona
- Daniel Aaronson, MDTucson, AZ1134865355
- Constantia Abarikwu, MDPhoenix, AZ1497832620
- Jaber Abawi, MDPayson, AZ1629038542
- Demsas Abay, MDPeoria, AZ1720312390
- Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
- Hassan Abbas, D.O.Mesa, AZ1477294775
- Jalal Abbas, M.D.Sun City West, AZ1205895034
- Tayeb Abbas, MDSun City West, AZ1093406795
- Hamed Abbaszadegan, MDPhoenix, AZ1407083579
- Kristopher Abbate, MDTucson, AZ1184112401
Common questions
What is Roy Loewenstein, MD's NPI number?
Roy Loewenstein, MD's National Provider Identifier (NPI) is 1295793941, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roy Loewenstein, MD located?
The NPPES record lists a practice address at 2330 N Rosemont Blvd Unit B, Tucson, AZ, 85712. Phone: (520) 367-4299. Providers update this record themselves, so call before visiting.
How can I verify Roy Loewenstein, MD's license?
NPPES lists Arizona license number 31081, 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 Roy Loewenstein, MD prescribe under Medicare Part D?
In 2024, Roy Loewenstein, MD had 10,930 Medicare Part D claims for 1,013 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.