OrganizationActive
Martha Diaz, O.D., P.C.
NPI 1568500916 · Optometrist · Houston, TX
Martha Diaz, O.D., P.C. is a Optometrist organization in Houston, TX (NPI 1568500916).
Provider details
- NPI number
- 1568500916
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Martha Diaz, President(713) 742-5244
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
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
3305 Orlando St
Houston, TX 77093-4854
Phone: (713) 742-5244
Street-level locationGet directions
Mailing address
Po Box 11998
Houston, TX 77293-1998
Other names (DBA / former)
- Doing business as
- Northside Family Eye Care
Registry dates
- Enumerated
- 2007-02-01
- Last updated
- 2009-07-02
Frequently asked questions
- What is Martha Diaz, O.D., P.C.'s NPI number?
- Martha Diaz, O.D., P.C.'s National Provider Identifier (NPI) is 1568500916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Martha Diaz, O.D., P.C.?
- Martha Diaz, O.D., P.C. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Martha Diaz, O.D., P.C. located?
- Martha Diaz, O.D., P.C.'s practice location on file with NPPES is 3305 Orlando St, Houston, TX 77093-4854.
- What is Martha Diaz, O.D., P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Martha Diaz, O.D., P.C. is (713) 742-5244.
- Who is the authorized official for Martha Diaz, O.D., P.C.?
- The authorized official listed on Martha Diaz, O.D., P.C.'s NPPES record is Martha Diaz, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Martha Diaz, O.D., P.C.'s NPI active?
- Yes — Martha Diaz, O.D., P.C.'s NPI (1568500916) is active in the NPPES registry as of the last update on 2009-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.