Harlene Castillo, WHNP-BC
NPI 1629720834 · Obstetrics & Gynecology Nurse Practitioner · Rosemead, CA
Harlene Castillo, WHNP-BC is a Obstetrics & Gynecology Nurse Practitioner provider in Rosemead, CA (NPI 1629720834).
Provider details
- NPI number
- 1629720834
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- WHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 95018154 (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
4 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 · 2 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 13 | 11 |
| Fluconazole | 12 | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-01-19
- Last updated
- 2022-01-19
- Certified
- 2022-01-19
Frequently asked questions
- What is Harlene Castillo's NPI number?
- Harlene Castillo's National Provider Identifier (NPI) is 1629720834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harlene Castillo's specialty?
- Harlene Castillo is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Harlene Castillo located?
- Harlene Castillo's practice location on file with NPPES is 3006 San Gabriel Blvd, Rosemead, CA 91770-2536.
- What is Harlene Castillo's phone number?
- The practice phone number listed in the NPPES registry for Harlene Castillo is (626) 773-8900.
- Is Harlene Castillo's NPI active?
- Yes — Harlene Castillo's NPI (1629720834) is active in the NPPES registry as of the last update on 2022-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.