Stephanie Mayfield, NNP
NPI 1396930673 · Neonatal-Perinatal Medicine Physician · Knoxville, TN
Stephanie Mayfield, NNP is a Neonatal-Perinatal Medicine Physician provider in Knoxville, TN (NPI 1396930673).
Provider details
- NPI number
- 1396930673
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- NNP
- Sex
- Female
- Sole proprietor
- No
- License
- 12882 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 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.
$17 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
- 2007-09-11
- Last updated
- 2019-04-04
Frequently asked questions
- What is Stephanie Mayfield's NPI number?
- Stephanie Mayfield's National Provider Identifier (NPI) is 1396930673, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Mayfield's specialty?
- Stephanie Mayfield is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Mayfield located?
- Stephanie Mayfield's practice location on file with NPPES is 1930 Alcoa Hwy, Knoxville, TN 37920-1500.
- What is Stephanie Mayfield's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Mayfield is (865) 544-6650.
- Is Stephanie Mayfield's NPI active?
- Yes — Stephanie Mayfield's NPI (1396930673) is active in the NPPES registry as of the last update on 2019-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.