Ma Christina Ondrade, M.D.
NPI 1285836536 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ma Christina Ondrade, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1285836536).
Provider details
- NPI number
- 1285836536
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A118768 (CA)
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
19 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 | 19 | $80 |
Typical Medicare-allowed amounts for these services range $80–$80 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 38 | 27 |
| Potassium Chloride | 34 | 25 |
| Amlodipine Besylate | 34 | 23 |
| Prednisone | 29 | 24 |
| Cefpodoxime Proxetil | 27 | 27 |
| Metoprolol Tartrate | 25 | 17 |
| Insulin Regular, Humanbrand: Humulin R | 23 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2021-12-08
Frequently asked questions
- What is Ma Christina Ondrade's NPI number?
- Ma Christina Ondrade's National Provider Identifier (NPI) is 1285836536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ma Christina Ondrade's specialty?
- Ma Christina Ondrade is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ma Christina Ondrade located?
- Ma Christina Ondrade's practice location on file with NPPES is 4647 Zion Ave, San Diego, CA 92120-2507.
- What is Ma Christina Ondrade's phone number?
- The practice phone number listed in the NPPES registry for Ma Christina Ondrade is (619) 528-5000.
- Does Ma Christina Ondrade accept Medicare?
- Ma Christina Ondrade is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ma Christina Ondrade's NPI active?
- Yes — Ma Christina Ondrade's NPI (1285836536) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.