Active NPI
Roy Loewenstein, MD
- Internal Medicine Physician
- Tucson, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 31081
- Practice address
- 2330 N Rosemont Blvd Unit B
Tucson, AZ 85712-2159 - Phone
- (520) 367-4299
- Fax
- (520) 367-4335
- NPI assigned
- May 3, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 31081 | AZ | Primary |
Addresses
Primary practice location
2330 N Rosemont Blvd Unit B
Tucson, AZ 85712-2159
Mailing address
4801 E Broadway Blvd Ste 251
Tucson, AZ 85711-2700
Phone (520) 327-0460
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- University of Washington School of Medicine, 2001
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2055 W Hospital Dr
Tucson, AZ 85704-7892
Phone (520) 547-5725
5055 E Broadway Blvd
Suite A100
Tucson, AZ 85711-3629
Phone (520) 795-4783
Hospital & facility affiliations
- Bayada Home Health Care, Inc
- Sacred Heart Home Health Care - Tucson
- Dependable Home Health, Inc
- Tucson Medical Center
- St Joseph'S Hospital
- Northwest Medical Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal or shaving of skin growth | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 31081 | AZ | MD | Physical Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Arizona Community Physician PC | Current | Accepting new patients | |
| Arizona Community Physicians PC | Family Medicine | Current | Accepting new patients |
| Ipn of Arizona, PLC | Internal Medicine | Past | Accepting new patients |
Locations
2330 N Rosemont Blvd
Unit B
Tucson, AZ 85712
Phone (520) 323-2073
5265 E Knight Dr
Tucson, AZ 85712
Phone (520) 327-5911
5055 E Broadway Blvd
Ste A100
Tucson, AZ 85711
Phone (520) 327-0460
2055 W Hospital Dr
Tucson, AZ 85704
Phone (520) 547-5725
Interoperability endpoints
- rloewenstein18319@azacp.direct-ci.com
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Tucson, AZ
- NPI 1205871076
Family Medicine
-
- Magnetic Resonance Imaging (MRI) Clinic/Center
- Tucson, AZ
- NPI 1922141902
-
- Internal Medicine Physician
- Glendale, AZ
- NPI 1538119284
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Tucson, AZ
- NPI 1063743078
-
- Home Health Agency
- Tucson, AZ
- NPI 1841221751
-
- Home Health Agency
- Tucson, AZ
- NPI 1902847973
-
- Home Health Agency
- Tucson, AZ
- NPI 1700888757
-
- General Acute Care Hospital
- Tucson, AZ
- NPI 1487607784
-
- General Acute Care Hospital
- Tucson, AZ
- NPI 1538535158
-
- Home Health Agency
- Tucson, AZ
- NPI 1093311284
-
- General Acute Care Hospital
- Tucson, AZ
- NPI 1174512792
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146614400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782345600000",
"number": "1295793941",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4801 E BROADWAY BLVD STE 251",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857112700",
"telephone_number": "520-327-0460",
"fax_number": "520-795-0225"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2330 N ROSEMONT BLVD UNIT B",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857122159",
"telephone_number": "520-367-4299",
"fax_number": "520-367-4335"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LOEWENSTEIN",
"first_name": "ROY",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-03",
"last_updated": "2026-06-25",
"certification_date": "2026-06-25",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "AZ",
"license": "31081",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Tucson, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.