IndividualActive
Kassandra Mastras
NPI 1295662047 · Internal Medicine Physician · Tucson, AZ
Kassandra Mastras is a Internal Medicine Physician provider in Tucson, AZ (NPI 1295662047).
Provider details
- NPI number
- 1295662047
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- R82466 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3601 S 6th Ave
Tucson, AZ 85723-0001
Phone: (520) 792-1450
Fax: (520) 629-4631
Street-level locationGet directions
Mailing address
3601 S 6th Ave
Tucson, AZ 85723-0001
Registry dates
- Enumerated
- 2026-05-06
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Kassandra Mastras's NPI number?
- Kassandra Mastras's National Provider Identifier (NPI) is 1295662047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kassandra Mastras's specialty?
- Kassandra Mastras is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kassandra Mastras located?
- Kassandra Mastras's practice location on file with NPPES is 3601 S 6th Ave, Tucson, AZ 85723-0001.
- What is Kassandra Mastras's phone number?
- The practice phone number listed in the NPPES registry for Kassandra Mastras is (520) 792-1450.
- Is Kassandra Mastras's NPI active?
- Yes — Kassandra Mastras's NPI (1295662047) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.