Juliet Penn, M.D.
NPI 1215175070 · Medical Oncology Physician · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Juliet Penn, M.D. is a Medical Oncology Physician provider in Santa Barbara, CA (NPI 1215175070).
Provider details
- NPI number
- 1215175070
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A105540 (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
17 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
3,861 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 | 1,046 | $135 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 433 | $17 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 420 | $17 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 329 | $8 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 271 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 35 | 15 |
| Ondansetronbrand: Ondansetron Odt | 31 | 18 |
| Prednisone | 29 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 19 | 11 |
| Abemaciclibbrand: Verzenio | 18 | — |
| Lorazepam | 16 | — |
| Raloxifene Hcl | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$243 across 7 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
- 2009-01-31
- Last updated
- 2022-12-14
- Certified
- 2022-12-14
Frequently asked questions
- What is Juliet Penn's NPI number?
- Juliet Penn's National Provider Identifier (NPI) is 1215175070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Juliet Penn's specialty?
- Juliet Penn is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Juliet Penn located?
- Juliet Penn's practice location on file with NPPES is 309 W Quinto St, Santa Barbara, CA 93105-5318.
- What is Juliet Penn's phone number?
- The practice phone number listed in the NPPES registry for Juliet Penn is (805) 563-0041.
- Does Juliet Penn accept Medicare?
- Juliet Penn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Juliet Penn's NPI active?
- Yes — Juliet Penn's NPI (1215175070) is active in the NPPES registry as of the last update on 2022-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.