Karen Lizarraga, PA-C
Physician Assistant · Gaithersburg, MD
Karen Lizarraga, PA-C is a physician assistant with a practice address in Gaithersburg, Maryland, and NPI 1225783558, issued on Feb 15, 2022. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Lizarraga
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 9715 Leatherfern Ter Apt B, Gaithersburg, MD 20886
- Phone
- (240) 447-5645
- Enumerated
- Feb 15, 2022
- Record last updated
- Feb 15, 2022
- Medicare enrollment
- Enrolled (PECOS I20220516001656); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Verify Karen Lizarraga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average physician assistant in 2024
1,388 Medicare Part D claims for 131 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium153 claims
- Levothyroxine Sodium101 claims
- Amlodipine Besylate97 claims
- Metformin Hcl59 claims
- Losartan Potassium50 claims
- Rosuvastatin Calcium46 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
- Doctors First Professional CorporationGaithersburg, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Lizarraga among 3,224 physician assistant records in Maryland
Karen Lizarraga, PA-C is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 76% of them.
- NPI issued2022 · 76% of these records are older, 19% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2021 · median 2017 among the 1,974 with a school on file
- Record last updated2022 · 46% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in Maryland
There are 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Gaithersburg → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Katherine HaulerMontgomery Village, MD 208861568080943
- Jacob PawelaMontgomery Village, MD 208861285293696
- Jasmine Anthony, PA-CBethesda, MD 208891477792745
- Chandra Carney, PA-CBethesda, MD 208891427121169
- Paul Cauchon, PA-CBethesda, MD 208891063413342
- Denise Crawford, PABethesda, MD 208891427192442
- Narda Davis, PABethesda, MD 208891174567283
- Alexis Davis, PA-CBethesda, MD 208891235248956
Common questions
What is Karen Lizarraga, PA-C's NPI number?
Karen Lizarraga, PA-C's National Provider Identifier (NPI) is 1225783558, issued on Feb 15, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Karen Lizarraga, PA-C located?
The NPPES record lists a practice address at 9715 Leatherfern Ter Apt B, Gaithersburg, MD, 20886. Phone: (240) 447-5645. Providers update this record themselves, so call before visiting.
How can I verify Karen Lizarraga, PA-C's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Lizarraga, PA-C prescribe under Medicare Part D?
In 2024, Karen Lizarraga, PA-C had 1,388 Medicare Part D claims for 131 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.