Crystal Walker, APRN
NPI 1821554148 · Pediatric Nurse Practitioner · Nashville, TN
Crystal Walker, APRN is a Pediatric Nurse Practitioner provider in Nashville, TN (NPI 1821554148).
Provider details
- NPI number
- 1821554148
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 216480 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$116 across 1 record (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
Registry dates
- Enumerated
- 2019-02-11
- Last updated
- 2020-11-13
- Certified
- 2020-11-13
Frequently asked questions
- What is Crystal Walker's NPI number?
- Crystal Walker's National Provider Identifier (NPI) is 1821554148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Walker's specialty?
- Crystal Walker is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Walker located?
- Crystal Walker's practice location on file with NPPES is 2200 Childrens Way, Nashville, TN 37232-0005.
- What is Crystal Walker's phone number?
- The practice phone number listed in the NPPES registry for Crystal Walker is (615) 936-1000.
- Is Crystal Walker's NPI active?
- Yes — Crystal Walker's NPI (1821554148) is active in the NPPES registry as of the last update on 2020-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.