Mac2, PLLC
NPI 1457522237 · Durable Medical Equipment & Medical Supplies · Kingsport, TN
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mac2, PLLC is a Durable Medical Equipment & Medical Supplies organization in Kingsport, TN (NPI 1457522237).
Provider details
- NPI number
- 1457522237
- Entity type
- Organization
- Primary specialty
- Durable Medical Equipment & Medical SuppliesSuppliers
- Organization subpart
- No
- Authorized official
- William Mcmillin, Optometrist(423) 239-5491
- License
- 621039107 (TN)
Specialties & taxonomies
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Other names (DBA / former)
- Doing business as
- Mcmillin Eyecare
- Former legal business name
- William C. Mcmillin, OD
Registry dates
- Enumerated
- 2008-03-19
- Last updated
- 2018-06-16
Frequently asked questions
- What is Mac2, PLLC's NPI number?
- Mac2, PLLC's National Provider Identifier (NPI) is 1457522237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mac2, PLLC?
- Mac2, PLLC is classified in the NPPES registry as Durable Medical Equipment & Medical Supplies (Suppliers).
- Where is Mac2, PLLC located?
- Mac2, PLLC's practice location on file with NPPES is 4617 Fort Henry Dr, Kingsport, TN 37663-2616.
- What is Mac2, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Mac2, PLLC is (423) 239-5491.
- Does Mac2, PLLC accept Medicare?
- Mac2, PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mac2, PLLC?
- The authorized official listed on Mac2, PLLC's NPPES record is William Mcmillin, Optometrist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mac2, PLLC's NPI active?
- Yes — Mac2, PLLC's NPI (1457522237) is active in the NPPES registry as of the last update on 2018-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.