Dr. John R. Armstrong , MD
Ophthalmology β’ Ft. Worth, TX
911 6th Avenue
Ft. Worth, TX 761042807
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
911 6th Avenue
Ft. Worth, TX 761042807
What Public CMS Data Show
Ophthalmology: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2005
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Ft. Worth and Texas
3 active clinicians are listed under Ophthalmology with a practice address in Ft. Worth, TX (1,517 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207W00000X
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 disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
NPPES lists this NPI as deactivated as of August 10, 2018; the reason is not published.
Record officially reactivated for active practice on September 03, 2008
Registered at 911 6TH AVENUE, FT. WORTH, TX 761042807 (Tel: 8173321945)
Registered at 911 6TH AVENUE, FT. WORTH, TX 761042807 (Tel: 8173321945)
Recorded as JOHN ARMSTRONG, M.D.
Ophthalmology (license number reported to NPPES: TX C7525)
NPPES lists this NPI as deactivated as of July 28, 2008; the reason is not published.
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Ophthalmology Specialists in Ft. Worth
Healthcare providers in Ft. WorthMailing Address
911 6th Avenue
Ft. Worth, TX 761042807
Phone: 8173321945