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Edit this profileAt a glance
- 1500 Duarte Rd, Duarte, CA 91010
About Dr. Mortimer
Based in Duarte, CA, Joanne Mortimer, M.D. is listed in the NPI registry under medical oncology. Joanne graduated from Loyola University of Chicago, Stritch School of Medicine in 1977. Joanne is also listed as specializing in internal medicine. According to Medicare claims data, Joanne cared for 379 Medicare patients across 754 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1558319038 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (626) 359-8111
- Email not available
Practice Locations
1500 DUARTE RD
Duarte, CA 91010
Conditions Commonly Evaluated or Treated
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Abdominal cancer
Blood cancer
Blood disorders
Cancer complications
Chest cancer
Complications
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
Metastatic cancer
Metastatic disease
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
Thoracic cancers
Treatment side effects
Urologic cancer
Urologic cancers
Procedures & services
Most searched procedures
Cancer treatment care
Complication management
Consultations
- Cancer survivorship care
- Integrative oncology consultation
- Post-cancer surveillance scan review
- Pre-Surgery Chemotherapy Consultation
- Preventative Chemotherapy Consultation
- Radiopharmaceutical therapy consultation
- Second Opinion For Cancer
- Stem cell transplant consultation
- Tumor Board Case Review
Diagnostic testing
Diagnostics
- Bone Marrow Biopsy
- Cancer Genetic Testing
- Pathology second opinion for cancer
- Tumor Biomarker Testing
Infusions
- Bone Strengthening Infusion
- Iron Infusion
- IV hydration for cancer patients
- Neurologic infusion treatment
Injections
Medication management
Patient education
Port and line care
Procedures
Specialized treatments
- Bladder instillation therapy
- Heated Chemotherapy Consultation
- Hepatic Artery Pump Chemotherapy Consultation
Specialty treatments
- Bone Strengthening Injections For Cancer
- CAR-T Therapy
- Chemo allergy desensitization
- Clinical Trial Screening
- Hormone Therapy For Cancer
- Spinal chemo injection
Supportive care
- Advance Care Planning For Cancer
- Cancer nutrition counseling
- Cancer pain management
- Cancer Rehabilitation Evaluation
- Cancer weight loss management
- Chemo brain treatment
- Chemo nausea treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hospice care consultation
- Lymphedema evaluation
- Palliative cancer care
Treatment side effects
Vascular access
Procedures Most Often Billed to Medicare
754 services · 379 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
509 | More often than most peers in Medical Oncology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
154 | More often than most peers in Medical Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
61 | As often as other peers in Medical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
30 | As often as other peers in Medical Oncology |
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 oncologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 23 related providers in 3 groups
Other oncologists in Duarte 7
Same specialty, same city.
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Joanne Mortimer specialize in?
Joanne Mortimer is an oncologist in Duarte, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Where is Joanne Mortimer located?
Joanne Mortimer is listed at 1500 Duarte Rd, Duarte, CA 91010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Joanne Mortimer's phone number?
The number on file is (626) 359-8111. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Joanne Mortimer's NPI number?
Joanne Mortimer's National Provider Identifier is 1558319038. 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 Joanne Mortimer train?
Joanne Mortimer attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Joanne Mortimer been practicing?
Joanne Mortimer has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Joanne Mortimer do most often?
According to Medicare billing data, Joanne Mortimer the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Joanne Mortimer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Joanne Mortimer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.