Maria Annabelle De Los Santos, F.N.P.
NPI 1427053503 · Family Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Annabelle De Los Santos, F.N.P. is a Family Nurse Practitioner provider in Houston, TX (NPI 1427053503).
Provider details
- NPI number
- 1427053503
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- F.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 539582 (TX)
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 tenure28% of score
21 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
138 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 81 | $99 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 57 | $146 |
Typical Medicare-allowed amounts for these services range $99–$146 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 39 | 39 |
| Cephalexin | 19 | 18 |
| Gabapentin | 19 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Ibuprofen | 15 | 15 |
| Dicyclomine Hcl | 14 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 12 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2015-03-06
Frequently asked questions
- What is Maria Annabelle De Los Santos's NPI number?
- Maria Annabelle De Los Santos's National Provider Identifier (NPI) is 1427053503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Annabelle De Los Santos's specialty?
- Maria Annabelle De Los Santos is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Annabelle De Los Santos located?
- Maria Annabelle De Los Santos's practice location on file with NPPES is 12141 Richmond Ave, Houston, TX 77082-2408.
- What is Maria Annabelle De Los Santos's phone number?
- The practice phone number listed in the NPPES registry for Maria Annabelle De Los Santos is (281) 588-8110.
- Does Maria Annabelle De Los Santos accept Medicare?
- Maria Annabelle De Los Santos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Annabelle De Los Santos's NPI active?
- Yes — Maria Annabelle De Los Santos's NPI (1427053503) is active in the NPPES registry as of the last update on 2015-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.