NPI age
12 years
Enumerated 2014-04-02
● Active
Type 1 · Individual
MR. John William Zern, P.A.
Zern is 1 of 262 physician assistant providers in Houston and 1 of 2220 in Texas.
Primary specialty
Physician Assistant
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-04-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2220 active physician assistant providers in Texas.
NPI age
12 years
↓ 3 yr below median (15 yr)
State licenses
1 state
6% of peers hold multiple states
Subspecialties
1
In the 20% of peers with subspecialties
NPI lifetime · 2014 → 2026
2014-04Enumerated in NPPES
2014
2026
Where they practice
Practice location
3651 Weslayan St, Suite 106
Houston, TX 770276833
Mailing address
1920 E State Highway 114
Southlake, TX 760926510
Specialties
-
Physician Assistant PrimaryDefinition to come...
-
Physician AssistantA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally...
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
Recently enumerated nearby: 3 new physician assistant providers have been added in Houston in the last 180 days.
See all →
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Request a quote →How to verify this provider
- 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.