David Merrifield, MD
NPI 1770666018 · Emergency Medicine Physician · Johnson City, TN
David Merrifield, MD is a Emergency Medicine Physician provider in Johnson City, TN (NPI 1770666018).
Provider details
- NPI number
- 1770666018
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 26618 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-23
- Last updated
- 2011-03-25
Frequently asked questions
- What is David Merrifield's NPI number?
- David Merrifield's National Provider Identifier (NPI) is 1770666018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Merrifield's specialty?
- David Merrifield is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Merrifield located?
- David Merrifield's practice location on file with NPPES is 401 Princeton Rd, Johnson City, TN 37601-2028.
- What is David Merrifield's phone number?
- The practice phone number listed in the NPPES registry for David Merrifield is (423) 854-5880.
- Is David Merrifield's NPI active?
- Yes — David Merrifield's NPI (1770666018) is active in the NPPES registry as of the last update on 2011-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.