Catherine Larsen, PA
Physician Assistant · Laurel, MD
Catherine Larsen, PA is a physician assistant with a practice address in Laurel, Maryland, and NPI 1952583619, issued on Dec 4, 2007. Check the license (Maryland C03647, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Larsen
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C03647 MD
Self-reported in NPPES; status is on the state search - Practice location
- 575 Main St, Laurel, MD 20707
- Phone
- (301) 498-5990
- Enumerated
- Dec 4, 2007
- Record last updated
- Mar 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 575 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Corey Brown, P.A.Physician Assistant1376670620
- Stanley Fox, M.AC., L.AC.Acupuncturist1306277116
- Victor Kumpel, P.A.Physician Assistant1467589788
- Tanya Pallia, PA-CMedical Physician Assistant1144269069
Verify Catherine Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C03647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
13 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Catherine Larsen among 3,224 physician assistant records in Maryland
Catherine Larsen, PA 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 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 75% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2008 · 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 Laurel → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Corey Brown, P.A.Laurel, MD 207071376670620
- Angelica GiulianiLaurel, MD 207071295377752
- Adanna HackettLaurel, MD 207071689229403
- Victor Kumpel, P.A.Laurel, MD 207071467589788
- Mihail Rimbu, MSLaurel, MD 207071831537349
- Brooke BanosLanham, MD 207061609419068
- Taylor Barger, PA-CLanham, MD 207061164988770
- Ernest Bonsu, MS, PA-CLanham, MD 207061518207539
Common questions
What is Catherine Larsen, PA's NPI number?
Catherine Larsen, PA's National Provider Identifier (NPI) is 1952583619, issued on Dec 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Larsen, PA located?
The NPPES record lists a practice address at 575 Main St, Laurel, MD, 20707. Phone: (301) 498-5990. Providers update this record themselves, so call before visiting.
How can I verify Catherine Larsen, PA's license?
NPPES lists Maryland license number C03647, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Larsen, PA prescribe under Medicare Part D?
In 2024, Catherine Larsen, PA had 13 Medicare Part D claims; 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.