Karen Lopez, PA
Physician Assistant · Houston, TX
Karen Lopez, PA is a physician assistant with a practice address in Houston, Texas, and NPI 1124555800, issued on May 12, 2017. Check the license (Texas PA11105, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Lopez
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA11105 TX
Self-reported in NPPES; status is on the state search - Practice location
- 12921 Misty Willow Dr, Houston, TX 77070
- Phone
- (872) 231-3162
- Enumerated
- May 12, 2017
- Record last updated
- Nov 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20170828000371); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 12921 Misty Willow Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison CardenasPhysical Therapist1528926821
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- Leighann Hermes, DPTPhysical Medicine & Rehabilitation Physician1235920190
Verify Karen Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA11105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average physician assistant in 2024
138 Medicare Part D claims for 108 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefdinir15 claims
- Azithromycin14 claims
- Albuterol Sulfate Hfa11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- National Health Rehabilitation LLCKaty, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Lopez among 10,999 physician assistant records in Texas
Karen Lopez, PA is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 52% of them.
- NPI issued2017 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2016 · median 2017 among the 6,096 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,801 physician assistant records list a practice address in Houston
They are 1,801 of the 61,221 NPPES records with a practice address in Houston, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Houston → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sai Padmaja Achanta, P.A.Houston, TX 770701720096498
- Susannah Andrews, PA-CHouston, TX 770701528033396
- Brandi Brown, PAHouston, TX 770701104001239
- Diane Butler, PAHouston, TX 770701245445055
- Danielle Comeaux, PAHouston, TX 770701033300686
- Julie Froming, P.A.-C.Houston, TX 770701053452540
- Pasquinel Glenn, PAHouston, TX 770701912925603
- Karen Henderson, PA-CHouston, TX 770701376876979
Common questions
What is Karen Lopez, PA's NPI number?
Karen Lopez, PA's National Provider Identifier (NPI) is 1124555800, issued on May 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Karen Lopez, PA located?
The NPPES record lists a practice address at 12921 Misty Willow Dr, Houston, TX, 77070. Phone: (872) 231-3162. Providers update this record themselves, so call before visiting.
How can I verify Karen Lopez, PA's license?
NPPES lists Texas license number PA11105, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Lopez, PA prescribe under Medicare Part D?
In 2024, Karen Lopez, PA had 138 Medicare Part D claims for 108 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.