Jill Costley, NP
NPI 1548318462 · Nurse Practitioner · Baldwin Park, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jill Costley, NP is a Nurse Practitioner provider in Baldwin Park, CA (NPI 1548318462).
Provider details
- NPI number
- 1548318462
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP7735 (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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 134 | 51 |
| Donepezil Hcl | 98 | 42 |
| Sertraline Hcl | 76 | 32 |
| Trazodone Hcl | 61 | 22 |
| Mirtazapine | 35 | 14 |
| Quetiapine Fumarate | 31 | 14 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-12-03
Frequently asked questions
- What is Jill Costley's NPI number?
- Jill Costley's National Provider Identifier (NPI) is 1548318462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jill Costley's specialty?
- Jill Costley is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jill Costley located?
- Jill Costley's practice location on file with NPPES is 1011 Baldwin Park Blvd, Baldwin Park, CA 91706-5806.
- What is Jill Costley's phone number?
- The practice phone number listed in the NPPES registry for Jill Costley is (626) 851-1011.
- Does Jill Costley accept Medicare?
- Jill Costley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jill Costley's NPI active?
- Yes — Jill Costley's NPI (1548318462) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.