Leann Blankenship, M.D.
NPI 1659634772 · Hematology & Oncology Physician · Pleasant Hill, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1659634772
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4301107781 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,804 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 879 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 747 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 571 | $150 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 561 | $18 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 554 | $153 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 449 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 272 | 94 |
| Ondansetron Hcl | 81 | 40 |
| Prochlorperazine Maleate | 80 | 46 |
| Anastrozole | 67 | 19 |
| Tamoxifen Citrate | 60 | 27 |
| Exemestane | 54 | 18 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 53 | 12 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,317 across 198 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1480 64th St Ste 100Emeryville, CA 94608-2038Phone: (510) 629-6682Fax: (510) 830-3316
Registry dates
- Enumerated
- 2012-06-22
- Last updated
- 2021-12-09
- Certified
- 2021-12-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.