Marti Willey, N.P.
NPI 1144574062 · Nurse Practitioner · Encinitas, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marti Willey, N.P. is a Nurse Practitioner provider in Encinitas, CA (NPI 1144574062).
Provider details
- NPI number
- 1144574062
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 22548 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
8 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
332 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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 149 | $51 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 84 | $82 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 57 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 18 | $9 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 12 | $125 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 119 | 58 |
| Prochlorperazine Maleate | 83 | 61 |
| Ondansetronbrand: Ondansetron Odt | 74 | 53 |
| Exemestane | 35 | 14 |
| Letrozole | 31 | 17 |
| Dexamethasone | 28 | 19 |
| Lorazepam | 28 | 23 |
| Tamoxifen Citrate | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,963 across 252 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 (7)
- 1200 Garden View RdEncinitas, CA 92024-2477Phone: (800) 926-8273Fax: (888) 539-8781
- 3855 Health Sciences DrLa Jolla, CA 92093-1375Phone: (800) 926-8273Fax: (888) 539-8781
- 28078 Baxter Rd Ste 140Murrieta, CA 92563-1403Phone: (760) 733-9191
- 16950 Via TazonSan Diego, CA 92127-1607Phone: (800) 926-8273Fax: (888) 539-8781
- 4250 1st AveSan Diego, CA 92103Phone: (800) 926-8273Fax: (888) 539-8781
- 200 W Arbor DrSan Diego, CA 92103-9000Phone: (800) 926-8273Fax: (888) 539-8781
- 910 Sycamore AveVista, CA 92081-7832Phone: (800) 926-8273Fax: (888) 539-8781
Registry dates
- Enumerated
- 2012-10-30
- Last updated
- 2025-12-22
- Certified
- 2025-12-22
Frequently asked questions
- What is Marti Willey's NPI number?
- Marti Willey's National Provider Identifier (NPI) is 1144574062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marti Willey's specialty?
- Marti Willey is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marti Willey located?
- Marti Willey's practice location on file with NPPES is 326 Santa Fe Dr Ste 105, Encinitas, CA 92024-5157.
- What is Marti Willey's phone number?
- The practice phone number listed in the NPPES registry for Marti Willey is (760) 452-3340.
- Does Marti Willey accept Medicare?
- Marti Willey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marti Willey's NPI active?
- Yes — Marti Willey's NPI (1144574062) is active in the NPPES registry as of the last update on 2025-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.