NPI age
16 years
Enumerated 2010-03-31
● Active
Type 1 · Individual
DR. Joanna Elizabeth Gernsback, MD
Gernsback is 1 of 80 neurological surgery providers in San Antonio and 1 of 947 in Texas.
Primary specialty
Neurological Surgery
Plus 1 subspecialty
Licensed in
TX, IL
2 states
Status
Active
No deactivations on record
Last NPPES update
2024-05-07
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 947 active neurological surgery providers in Texas.
NPI age
16 years
≈ at median (17 yr)
State licenses
2 states
Top 80% — 19% of peers are multi-state
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2010 → 2026
2010-03Enumerated in NPPES
2010
2026
Where they practice
Practice location
8300 Floyd Curl Dr
San Antonio, TX 782293931
Mailing address
8300 Floyd Curl Dr
San Antonio, TX 782293931
Additional practice locations
4 secondary locations on file with NPPES.
Location 2
111 Colchester Ave, Fletcher 309, Mailstop 201fl3
Burlington, VT 054011473
Location 3
225 E Chicago Ave
Chicago, IL 60611
Location 4
1000 N Lincoln Blvd # 4000
Oklahoma City, OK 731043252
Location 5
305 W Jackson St Ste 400
Carbondale, IL 629011474
Specialties
-
Neurological Surgery PrimaryA neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems,...
Practice context
Part of a multi-provider practice. 240 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new neurological surgery providers have been added in San Antonio in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.