Diana Mah, O.D.
NPI 1689633216 · Optometrist · Salisbury, NC
Enrolled with Medicare as Order and Referring Only - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Mah, O.D. is a Optometrist provider in Salisbury, NC (NPI 1689633216).
Provider details
- NPI number
- 1689633216
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- License
- 1801 (NC)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-03-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diana Mah's NPI number?
- Diana Mah's National Provider Identifier (NPI) is 1689633216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Mah's specialty?
- Diana Mah is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Diana Mah located?
- Diana Mah's practice location on file with NPPES is 1601 Brenner Ave, Salisbury, NC 28144-2515.
- What is Diana Mah's phone number?
- The practice phone number listed in the NPPES registry for Diana Mah is (704) 638-9000.
- Does Diana Mah accept Medicare?
- Diana Mah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Mah's NPI active?
- Yes — Diana Mah's NPI (1689633216) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.