Frederic Kass, MD
NPI 1538181110 · Hematology & Oncology Physician · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederic Kass, MD is a Hematology & Oncology Physician provider in Santa Barbara, CA (NPI 1538181110).
Provider details
- NPI number
- 1538181110
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G68274 (CA)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,974 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 338 | $135 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 300 | $189 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 267 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 180 | $9 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 168 | $17 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 34 | 13 |
| Tamoxifen Citrate | 31 | 12 |
| Abemaciclibbrand: Verzenio | 29 | — |
| Palbociclibbrand: Ibrance | 20 | — |
| Alprazolam | 15 | — |
| Estradiolbrand: Imvexxy | 14 | — |
| Dexamethasone | 13 | — |
| Ondansetron |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70 across 4 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
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2021-09-28
- Certified
- 2021-09-28
Frequently asked questions
- What is Frederic Kass's NPI number?
- Frederic Kass's National Provider Identifier (NPI) is 1538181110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederic Kass's specialty?
- Frederic Kass is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Frederic Kass located?
- Frederic Kass's practice location on file with NPPES is 309 W Quinto St, Santa Barbara, CA 93105-5318.
- What is Frederic Kass's phone number?
- The practice phone number listed in the NPPES registry for Frederic Kass is (805) 563-0041.
- Does Frederic Kass accept Medicare?
- Frederic Kass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederic Kass's NPI active?
- Yes — Frederic Kass's NPI (1538181110) is active in the NPPES registry as of the last update on 2021-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.