Mary Kathryn Barth, PA-C
Medical Physician Assistant · Chevy Chase, MD
Mary Kathryn Barth, PA-C is a medical physician assistant with a practice address in Chevy Chase, Maryland, and NPI 1508104993, issued on Jan 21, 2013. Check the license (Maryland C0004964, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Kathryn Barth
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- C0004964 MD
1696 NE
Self-reported in NPPES; status is on the state search - Practice location
- 8401 Connecticut Ave PH Suite, Chevy Chase, MD 20815
- Phone
- (301) 942-2212
- Enumerated
- Jan 21, 2013
- Record last updated
- Mar 17, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20201214002067); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 871 in Maryland → Look up another NPI →
Also registered at 8401 Connecticut Ave PH Suite
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Neha Batta, M.D.Internal Medicine Physician1386056190
- Timothy Boone, MDSports Medicine (Family Medicine) Physician1225425002
- Richele Creppel, DNPNurse Practitioner1508247867
- Benedicte Crudgington, PA-CPhysician Assistant1982377339
- Joanna Delaney, D.O.Family Medicine Physician1548284995
- Nathalie Dilandro, PA-CPhysician Assistant1740796325
Verify Mary Kathryn Barth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C0004964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average medical physician assistant in 2024
341 Medicare Part D claims for 96 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium18 claims
- Losartan Potassium17 claims
- Levothyroxine Sodium16 claims
- Metoprolol Succinate15 claims
- Lisinopril14 claims
- Amlodipine Besylate13 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 2 group practices
- One Medstar Primary Care LLCWashington, DC
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Kathryn Barth among 871 medical physician assistant records in Maryland
Mary Kathryn Barth, PA-C is one of 871 medical physician assistant records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 60% of them.
- NPI issued2013 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2012 · median 2012 among the 469 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Maryland
There are 871 medical physician assistant records in Maryland.
All 871 in Maryland → Every provider in Chevy Chase → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Rebecca Grossman Ospital, PA-CChevy Chase, MD 208151598947129
- Waritta Howell, PA-CChevy Chase, MD 208151265835581
- Laure Kouyoudjian, P.A.Chevy Chase, MD 208151730325416
- Maria Laserna, PA-CChevy Chase, MD 208151649412420
- Natalie Lukaszewski, PA-CChevy Chase, MD 208151518275411
- Yina Mo, PA-CChevy Chase, MD 208151376095604
- Diana NamChevy Chase, MD 208151942126917
- Laura Robbins, PA-CChevy Chase, MD 208151649786880
Common questions
What is Mary Kathryn Barth, PA-C's NPI number?
Mary Kathryn Barth, PA-C's National Provider Identifier (NPI) is 1508104993, issued on Jan 21, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kathryn Barth, PA-C located?
The NPPES record lists a practice address at 8401 Connecticut Ave PH Suite, Chevy Chase, MD, 20815. Phone: (301) 942-2212. Providers update this record themselves, so call before visiting.
How can I verify Mary Kathryn Barth, PA-C's license?
NPPES lists Maryland license number C0004964, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Kathryn Barth, PA-C prescribe under Medicare Part D?
In 2024, Mary Kathryn Barth, PA-C had 341 Medicare Part D claims for 96 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.