Mark Byun, FNP-BC
NPI 1437659414 · Family Nurse Practitioner · Brentwood, TN
Mark Byun, FNP-BC is a Family Nurse Practitioner provider in Brentwood, TN (NPI 1437659414).
Provider details
- NPI number
- 1437659414
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 22697 (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 tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-02-16
- Last updated
- 2024-07-09
- Certified
- 2024-07-09
Frequently asked questions
- What is Mark Byun's NPI number?
- Mark Byun's National Provider Identifier (NPI) is 1437659414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Byun's specialty?
- Mark Byun is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Byun located?
- Mark Byun's practice location on file with NPPES is 1810 Sonoma Trce, Brentwood, TN 37027-3835.
- What is Mark Byun's phone number?
- The practice phone number listed in the NPPES registry for Mark Byun is (615) 878-6286.
- Is Mark Byun's NPI active?
- Yes — Mark Byun's NPI (1437659414) is active in the NPPES registry as of the last update on 2024-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.