Natalie Castillo, NP
NPI 1427555754 · Family Nurse Practitioner · Nashville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Castillo, NP is a Family Nurse Practitioner provider in Nashville, TN (NPI 1427555754).
Provider details
- NPI number
- 1427555754
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 0000023638 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
332 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 269 | $78 |
| Remote Monitoring of Pulmonary Artery Pressure Sensor, Up to 30 Days93264 | 36 | $28 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $114 |
Typical Medicare-allowed amounts for these services range $28–$114 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Spironolactone | 180 | 76 |
| Sacubitril/Valsartanbrand: Entresto | 162 | 60 |
| Potassium Chloride | 130 | 66 |
| Metoprolol Succinate | 115 | 56 |
| Empagliflozinbrand: Jardiance | 108 | 40 |
| Apixabanbrand: Eliquis | 101 | 37 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$145 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 185 E 7th AveChico, CA 95926-3356Phone: (530) 332-4400
- 1614 Gunbarrel Rd Ste 101Chattanooga, TN 37421-3125Phone: (423) 778-8604Fax: (423) 826-8609
Registry dates
- Enumerated
- 2018-04-12
- Last updated
- 2025-09-04
- Certified
- 2025-09-04
Frequently asked questions
- What is Natalie Castillo's NPI number?
- Natalie Castillo's National Provider Identifier (NPI) is 1427555754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Castillo's specialty?
- Natalie Castillo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Natalie Castillo located?
- Natalie Castillo's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-3125.
- What is Natalie Castillo's phone number?
- The practice phone number listed in the NPPES registry for Natalie Castillo is (615) 322-3000.
- Does Natalie Castillo accept Medicare?
- Natalie Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Castillo's NPI active?
- Yes — Natalie Castillo's NPI (1427555754) is active in the NPPES registry as of the last update on 2025-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.