Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1063640845 Individual Practitioner Female Practitioner

Allison Mahlstedt Callender , PA-C

Physician Assistant • Houston, TX

Professional Overview & Biography Verified Profile Summary

Allison Callender, PA-C is a registered healthcare professional specializing in Physician Assistant in Houston, TX. Practice services are available at 6621 FANNIN ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

6621 Fannin St
19345-C

Houston, TX 770302358

Telephone 8328265600
Fax 8328250166
Associated Practice Facility / Clinic
🏢 Texas Childrens Hospital Facility NPI 1487600334

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Houston, TX

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.1 Yrs
State Avg: 13.9 Yrs
Regional Practice Density
1817 Specialists

Practicing in Houston, TX (11140 Statewide)

Telehealth Adoption Rate
17.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TX PA07495

A 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 trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

16 Associated Practitioners
Dr. Shannon Rivenes , MD

Pediatrics - Pediatric Cardiology

NPI 1013097435

Doctor of Medicine (M.D.)

Dr. Hari Tunuguntla , MD

Pediatrics - Pediatric Cardiology

NPI 1043470800

Doctor of Medicine (M.D.)

Dr. Giles Vick , MD

Pediatrics - Pediatric Cardiology

NPI 1134209471

Doctor of Medicine (M.D.)

Dr. William Dreyer , MD

Pediatrics - Pediatric Cardiology

NPI 1184704421

Doctor of Medicine (M.D.)

Dr. Maria Lantin-Hermoso , MD

Pediatrics - Pediatric Cardiology

NPI 1255376984

Doctor of Medicine (M.D.)

Dr. Christina Miyake , MD

Pediatrics - Pediatric Cardiology

NPI 1346411352

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active October 28, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location October 28, 2015

Registered at 6621 FANNIN ST, 19345-C, HOUSTON, TX 770302358 (Tel: 8328265600)

📍
Updated Business Mailing Address October 28, 2015

Registered at 6621 FANNIN ST, 19345-C, HOUSTON, TX 770302358 (Tel: 8328265600)

👤
Provider Name / Credentials Updated October 28, 2015

Recorded as ALLISON CALLENDER, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 28, 2015

Physician Assistant (License #PA07495 in TX)

🟢
Initial NPI Registration & Enumeration June 30, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1063640845
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 30, 2009
Last Update: October 28, 2015
Sole Proprietor: No

Mailing Address

6621 Fannin St, 19345-C

Houston, TX 770302358

Phone: 8328265600

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.