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Active NPI 1124555800 Individual Practitioner Female Practitioner

Karen Lopez , PA

Physician Assistant • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Karen Lopez, PA is a certified Physician Assistant practicing in Houston, TX. With approximately 10 years of clinical experience since completing medical education in 2016, Karen Lopez delivers high-quality medical care to the local community at 12921 MISTY WILLOW DR.

Karen Lopez is affiliated with National Health Rehabilitation Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least, initial nursing facility visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

12921 Misty Willow Dr

Houston, TX 770705287

Telephone 8722313162
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Houston, TX

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -1.1 yrs vs City Avg
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
67.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lopez (10 Years) 10 Yrs
Houston Specialty Average (11.1 Years) 11.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes
94 29 $249.32 $91.70
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes
44 21 $212.61 $63.41
99306 Initial nursing facility visit, typically 45 minutes per day
39 38 $509.79 $155.03
99213 Established patient office or other outpatient visit, typically 15 minutes
31 31 $250.00 $74.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
25 25 $250.00 $94.19
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus
15 15 $127.25 $34.62
81003 Automated urinalysis test
13 12 $6.00 $2.20
87804 Detection test by immunoassay with direct visual observation for influenza virus
13 13 $41.00 $16.22

Medical Specialties & State Licenses

CMS Verified: 2025-11-12
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TX PA11105

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.

Hospital & Practice Group Affiliations

National Health Rehabilitation Llc

6909 Burnet Ln, Austin, TX 787572430

Phone: 2016546397

National Health Rehabilitation Llc

1222 Park W Green Dr, Katy, TX 774933654

Phone: 2016546397

Practice Associates & Co-Workers

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

40 Associated Practitioners
Emily Smith , PA

Physician Assistant

NPI 1003232612

Physician Assistant

Dr. Jessica Bloomgarden , MD

Physical Medicine & Rehabilitation

NPI 1013158427

Doctor of Medicine (M.D.)

Rajdeep Sandhu , FNP-C

Nurse Practitioner - Family

NPI 1013473073

Family Nurse Practitioner (Certified)

Lyncee Barrett , FNP

Nurse Practitioner - Family

NPI 1013483296

Family Nurse Practitioner

Dr. Allison Williams , MD

Physical Medicine & Rehabilitation

NPI 1013967066

Doctor of Medicine (M.D.)

Arpit Kaul

Physical Medicine & Rehabilitation

NPI 1023452430

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location November 12, 2025

Registered at 12921 MISTY WILLOW DR, HOUSTON, TX 770705287 (Tel: 8722313162)

📍
Updated Business Mailing Address November 12, 2025

Registered at PO BOX 22239, NEW YORK, NY 100870001 (Tel: 7028990595)

NPI Profile Active May 12, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location May 12, 2017

Registered at 6400 HILLCROFT ST, SUITE 100, HOUSTON, TX 770813106 (Tel: 7139883921)

📍
Updated Business Mailing Address May 12, 2017

Registered at 3215 SUMAC DR, PEARLAND, TX 775848069 (Tel: 8322136589)

👤
Provider Name / Credentials Updated May 12, 2017

Recorded as KAREN LOPEZ, PA

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 12, 2017

Physician Assistant (License #PA11105 in TX)

🟢
Initial NPI Registration & Enumeration May 12, 2017

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: 1124555800
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 12, 2017
Last Update: November 12, 2025
Sole Proprietor: No

Mailing Address

Po Box 22239

New York, NY 100870001

Phone: 7028990595

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.