Registry data as of Aug 27, 2026

Kristen Lopez, P.A.

Physician Assistant · Frederick, MD

Kristen Lopez, P.A. is a physician assistant with a practice address in Frederick, Maryland, and NPI 1144220591, issued on Jul 28, 2005. Check the license (Maryland C03057, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1144220591
Name
Kristen Lopez
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
C03057 MD
Self-reported in NPPES; status is on the state search
Practice location
400 W 7TH St, Frederick, MD 21701
Phone
(240) 566-3300
Enumerated
Jul 28, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 400 W 7TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jan Abramczuk, MDAnatomic Pathology & Clinical Pathology Physician1750301719
  2. Esther AdejumoPhysician Assistant1194533109
  3. Charleen Anani, PHARMDPharmacist1619842580
  4. James Ansell, MDEmergency Medicine Physician1982354320
  5. Mustafa AzimiAcute Care Nurse Practitioner1568064046
  6. Justin BarnettStudent in an Organized Health Care Education/Training Program1447741863

Verify Kristen Lopez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license C03057
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

79% fewer Medicare Part D claims than the average physician assistant in 2024

177 Medicare Part D claims for 89 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D.

  1. Kristen Lopez177
  2. Specialty average832

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.

The practice group's Medicare quality score for 2023: 76.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.9
  2. Costout of 100 · 30%49.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

2 hospital and facility affiliations

  1. Medstar Medical Group II LLCWashington, DC
  2. Medstar Urgent Care LLCWheaton, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

96 physician assistant records list a Frederick practice address

They are 96 of the 3,981 NPPES records with a Frederick practice address, and 3,136 physician assistant records in Maryland.

Other physician assistant records in Maryland

  1. Habiba AbbasiBaltimore, MD1528930302
  2. Hiba Abbasi, PAGreenbelt, MD1407520182
  3. Eric Abbott, PA-CBaltimore, MD1669873089
  4. Jenifer Abbott, PA-CHavre De Grace, MD1225136161
  5. Lauren Abbott, PAFort George G Meade, MD1033253869
  6. Trevor Abbott, PASalisbury, MD1578984803
  7. Norhan AbdallaRockville, MD1700631660
  8. Susanna Abdelkarim, PA-CGaithersburg, MD1477979938
  9. Helen Abebe, PACheverly, MD1568833671
  10. Heran Abeye, PA-CBaltimore, MD1831656545

Common questions

What is Kristen Lopez, P.A.'s NPI number?

Kristen Lopez, P.A.'s National Provider Identifier (NPI) is 1144220591, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Lopez, P.A. located?

The NPPES record lists a practice address at 400 W 7TH St, Frederick, MD, 21701. Phone: (240) 566-3300. Providers update this record themselves, so call before visiting.

How can I verify Kristen Lopez, P.A.'s license?

NPPES lists Maryland license number C03057, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Kristen Lopez, P.A. prescribe under Medicare Part D?

In 2024, Kristen Lopez, P.A. had 177 Medicare Part D claims for 89 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

What is Kristen Lopez, P.A.'s Medicare quality score?

The 2023 MIPS final score is 76.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.