Charissa Castro, MD
NPI 1922175934 · Internal Medicine Physician · Bellflower, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charissa Castro, MD is a Internal Medicine Physician provider in Bellflower, CA (NPI 1922175934).
Provider details
- NPI number
- 1922175934
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A61407 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 606 | 206 |
| Atenolol | 289 | 93 |
| Amlodipine Besylate | 270 | 92 |
| Levothyroxine Sodium | 253 | 78 |
| Losartan Potassium | 232 | 89 |
| Metformin Hcl | 230 | 85 |
| Hydralazine Hcl | 202 | 70 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2021-12-01
Frequently asked questions
- What is Charissa Castro's NPI number?
- Charissa Castro's National Provider Identifier (NPI) is 1922175934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charissa Castro's specialty?
- Charissa Castro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charissa Castro located?
- Charissa Castro's practice location on file with NPPES is 9400 Rosecrans Ave, Bellflower, CA 90706-2246.
- What is Charissa Castro's phone number?
- The practice phone number listed in the NPPES registry for Charissa Castro is (562) 461-3000.
- Does Charissa Castro accept Medicare?
- Charissa Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charissa Castro's NPI active?
- Yes — Charissa Castro's NPI (1922175934) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.