Ximena Castro, MD
NPI 1245327386 · Family Medicine Physician · Leominster, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ximena Castro, MD is a Family Medicine Physician provider in Leominster, MA (NPI 1245327386).
Provider details
- NPI number
- 1245327386
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 230300 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,073 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 520 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 171 | $117 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 149 | $113 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 80 | $128 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 75 | $171 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefpodoxime Proxetil | 28 | 28 |
| Omeprazole | 17 | 15 |
| Prednisone | 16 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
| Oxycodone Hcl | 13 | 11 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 12 | — |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-09
- Last updated
- 2020-10-28
- Certified
- 2020-10-28
Frequently asked questions
- What is Ximena Castro's NPI number?
- Ximena Castro's National Provider Identifier (NPI) is 1245327386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ximena Castro's specialty?
- Ximena Castro is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ximena Castro located?
- Ximena Castro's practice location on file with NPPES is 60 Hospital Rd, Leominster, MA 01453.
- What is Ximena Castro's phone number?
- The practice phone number listed in the NPPES registry for Ximena Castro is (978) 466-4169.
- Does Ximena Castro accept Medicare?
- Ximena Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ximena Castro's NPI active?
- Yes — Ximena Castro's NPI (1245327386) is active in the NPPES registry as of the last update on 2020-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.