Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John W Merrell, PA

Individual provider Surgical Physician Assistant · NPI 1912961897

John W Merrell, PA is a Physician Assistant in Round Rock, Texas. Qualified in 1990, 36 years ago. Practices with Aspirus Medical Group, Inc, a 274-clinician group and accepts Medicare assignment. Licensed in Louisiana, Tennessee and Texas.

Years since qualifying
36
Licensed in
LA, TN, TX
In the registry since
2006
Specialties on file
3
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

302 University Blvd
Round Rock, TX 78665-1032
Phone: (512) 509-0200
Fax: (512) 218-6330
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence PA13272 (TX)
Surgical Physician Assistant Taxonomy 363AS0400X · Licence A10176 (LA)
Surgical Physician Assistant Taxonomy 363AS0400X · Licence PA2181 (TN)

Record details

NPI number1912961897
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedApril 17, 2006
Last updated in NPPESJanuary 2, 2020
Certification dateJanuary 2, 2020
Mailing addressPo Box 844658, Dallas, TX 75284-4658

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Aspirus Medical Group, Inc. — 274 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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