Erika Hartwell, FNP-C
NPI 1588266142 · Nurse Practitioner · Rancho Palos Verdes, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erika Hartwell, FNP-C is a Nurse Practitioner provider in Rancho Palos Verdes, CA (NPI 1588266142).
Provider details
- NPI number
- 1588266142
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95015965 (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 tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 258 | 84 |
| Levothyroxine Sodium | 130 | 34 |
| Amlodipine Besylate | 108 | 31 |
| Lisinopril | 90 | 23 |
| Losartan Potassium | 83 | 18 |
| Gabapentin | 78 | 20 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 2 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)
- 2777 Pacific Ave Ste ELong Beach, CA 90806-2626Phone: (562) 426-6571Fax: (562) 595-8695
Registry dates
- Enumerated
- 2020-11-09
- Last updated
- 2025-06-16
- Certified
- 2025-06-16
Frequently asked questions
- What is Erika Hartwell's NPI number?
- Erika Hartwell's National Provider Identifier (NPI) is 1588266142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erika Hartwell's specialty?
- Erika Hartwell is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erika Hartwell located?
- Erika Hartwell's practice location on file with NPPES is 29409 S Western Ave, Rancho Palos Verdes, CA 90275-1137.
- What is Erika Hartwell's phone number?
- The practice phone number listed in the NPPES registry for Erika Hartwell is (310) 891-6684.
- Does Erika Hartwell accept Medicare?
- Erika Hartwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erika Hartwell's NPI active?
- Yes — Erika Hartwell's NPI (1588266142) is active in the NPPES registry as of the last update on 2025-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.