Physician Profile
Unclaimed ProfileAbout LOEWENSTEIN
Based in Tucson, AZ, Roy Loewenstein, MD is listed in the NPI registry under internal medicine. Roy graduated from University of Washington School of Medicine in 2001. Medicare claims data shows Roy provided 9,914 services to 7,641 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (520) 367-4299
- Email not available
Practice Locations
2330 N ROSEMONT BLVD UNIT B
Tucson, AZ 85712
Procedures Most Often Billed to Medicare
9,914 services · 7,641 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,273 |
| Removal of impacted ear wax by washing | Procedure | 69209 |
101 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
130 |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
112 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
112 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
110 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,075 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
841 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test | Lab test | 85027 |
794 |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
703 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other internal medicines in Tucson 8
Same specialty, same city.
Trained at University of Washington School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of Washington School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Loewenstein?
Dr. Loewenstein is an internal medicine in Tucson, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Loewenstein's address?
Dr. Loewenstein is listed at 2330 N ROSEMONT BLVD UNIT B, Tucson, AZ 85712. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Loewenstein?
The number on file is (520) 367-4299. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Loewenstein?
Dr. Loewenstein's National Provider Identifier is 1295793941. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Loewenstein train?
Dr. Loewenstein attended University of Washington School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Loewenstein have?
Dr. Loewenstein has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Loewenstein perform?
According to Medicare billing data, Dr. Loewenstein performs procedures including insertion of needle into vein for collection of blood sample and removal of impacted ear wax by washing; provides treatments such as influenza vaccine split virus, preservative free and sarscv2 vac 30mcg trs-suc im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Loewenstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Loewenstein. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.