Samantha Alvarez, DNP,APRN,AG-ACNP-BC
NPI 1801400858 · Critical Care Medicine Nurse Practitioner · Nashville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samantha Alvarez, DNP,APRN,AG-ACNP-BC is a Critical Care Medicine Nurse Practitioner provider in Nashville, TN (NPI 1801400858).
Provider details
- NPI number
- 1801400858
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP,APRN,AG-ACNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 28036 (TN)
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
5 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
25 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 25 | $174 |
Typical Medicare-allowed amounts for these services range $174–$174 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-09-06
- Last updated
- 2025-07-16
- Certified
- 2025-07-16
Frequently asked questions
- What is Samantha Alvarez's NPI number?
- Samantha Alvarez's National Provider Identifier (NPI) is 1801400858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samantha Alvarez's specialty?
- Samantha Alvarez is listed in the NPPES registry with a primary specialty of Critical Care Medicine Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Samantha Alvarez located?
- Samantha Alvarez's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0001.
- What is Samantha Alvarez's phone number?
- The practice phone number listed in the NPPES registry for Samantha Alvarez is (615) 322-3000.
- Does Samantha Alvarez accept Medicare?
- Samantha Alvarez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samantha Alvarez's NPI active?
- Yes — Samantha Alvarez's NPI (1801400858) is active in the NPPES registry as of the last update on 2025-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.