John Nicolau, M.D.
NPI 1982808937 · Ophthalmology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Nicolau, M.D. is a Ophthalmology Physician provider in San Antonio, TX (NPI 1982808937).
Provider details
- NPI number
- 1982808937
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- M6803 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2007-06-13
- Last updated
- 2019-03-27
Frequently asked questions
- What is John Nicolau's NPI number?
- John Nicolau's National Provider Identifier (NPI) is 1982808937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nicolau's specialty?
- John Nicolau is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Nicolau located?
- John Nicolau's practice location on file with NPPES is 1100 N Main Ave, San Antonio, TX 78212-4712.
- What is John Nicolau's phone number?
- The practice phone number listed in the NPPES registry for John Nicolau is (210) 222-2154.
- Does John Nicolau accept Medicare?
- John Nicolau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Nicolau's NPI active?
- Yes — John Nicolau's NPI (1982808937) is active in the NPPES registry as of the last update on 2019-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.