Jennifer Hallum, M.D.
NPI 1811966286 · Hematology & Oncology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Hallum, M.D. is a Hematology & Oncology Physician provider in Tucson, AZ (NPI 1811966286).
Provider details
- NPI number
- 1811966286
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 21706 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2006-03-16
- Last updated
- 2022-03-16
- Certified
- 2022-03-16
Frequently asked questions
- What is Jennifer Hallum's NPI number?
- Jennifer Hallum's National Provider Identifier (NPI) is 1811966286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Hallum's specialty?
- Jennifer Hallum is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Hallum located?
- Jennifer Hallum's practice location on file with NPPES is 1845 W Orange Grove Rd Bldg 2, Tucson, AZ 85704-1144.
- What is Jennifer Hallum's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Hallum is (520) 531-8967.
- Does Jennifer Hallum accept Medicare?
- Jennifer Hallum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Hallum's NPI active?
- Yes — Jennifer Hallum's NPI (1811966286) is active in the NPPES registry as of the last update on 2022-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.