P Praxis·MD
● Active Type 1 · Individual

John Nicolau, M.D.

Ophthalmology·San Antonio, TX· NPI 1982808937 · Enumerated 2007 · 18 years on NPI
Nicolau is 1 of 207 ophthalmology providers in San Antonio and 1 of 2155 in Texas.
NPI age
18 years
Enumerated 2007-06-13
Primary specialty
Ophthalmology
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-03-27
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 2155 active ophthalmology providers in Texas.

NPI age
18 years
≈ at median (19 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
2
In the 31% of peers with subspecialties

NPI lifetime · 2007 → 2026

2007-06Enumerated in NPPES
2007 2026

Where they practice

Practice location
1100 N Main Ave
San Antonio, TX 782124712
📞 2102222154fax 2102276056
Mailing address
2191 Nw Military Hwy
San Antonio, TX 782131836
📞 2103488788fax 2103488768

Specialties

  • Ophthalmology Primary
    An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual...
    TX license #M6803 taxonomy 207W00000X
  • Ophthalmology
    An ophthalmologist who specializes in the treatment of intraocular inflammation, scleritis, keratitis and infectious disorders affecting the eye and inflammatory disorders of the adnexa and/or orbit.
    TX license #M6803 taxonomy 207WX0108X
  • Ophthalmology
    An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions.
    TX license #M6803 taxonomy 207WX0009X

Identifiers

TypeValueNotes
05 (TX) 1906315-06
05 (TX) 190631507

Practice context

Part of a multi-provider practice. 10 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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