Vasiliki Kostogiannes, ATS
Physician Assistant · Baltimore, MD
Vasiliki Kostogiannes, ATS is a physician assistant with a practice address in Baltimore, Maryland, and NPI 1356741219, issued on Aug 28, 2014. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Vasiliki Kostogiannes
- Credential
- ATS
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 520 W Fayette St Ste 300, Baltimore, MD 21201
- Phone
- (727) 267-3986
- Enumerated
- Aug 28, 2014
- Record last updated
- Oct 2, 2022
- Medicare enrollment
- Enrolled (PECOS I20240405003736); accepts Medicare assignment
- Entity
- Type 1 · individual
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Also registered at 520 W Fayette St Ste 300
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Verify Vasiliki Kostogiannes 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
91% fewer Medicare Part D claims than the average physician assistant in 2024
78 Medicare Part D claims for 51 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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
- Medstar Medical Group II LLCGlen Burnie, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vasiliki Kostogiannes among 3,224 physician assistant records in Maryland
Vasiliki Kostogiannes, ATS 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 2014, is newer than 42% of them.
- NPI issued2014 · 42% of these records are older, 54% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2023 · 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).
1,135 physician assistant records list a practice address in Baltimore
They are 1,135 of the 35,183 NPPES records with a practice address in Baltimore, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Baltimore → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
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- Charlene Clancy, PA-CBaltimore, MD 212011316908247
- Patricia DooleyBaltimore, MD 212011083708606
- Misa Francis, PA-CBaltimore, MD 212011598891053
- Saleem KhanBaltimore, MD 212011063506699
- Ralph Lloyd, PA-CBaltimore, MD 212011043274541
- Patricia Martin, P.A.Baltimore, MD 212011942215538
- Melissa McClain, PABaltimore, MD 212011629182340
Common questions
What is Vasiliki Kostogiannes, ATS's NPI number?
Vasiliki Kostogiannes, ATS's National Provider Identifier (NPI) is 1356741219, issued on Aug 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Vasiliki Kostogiannes, ATS located?
The NPPES record lists a practice address at 520 W Fayette St Ste 300, Baltimore, MD, 21201. Phone: (727) 267-3986. Providers update this record themselves, so call before visiting.
How can I verify Vasiliki Kostogiannes, ATS's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Vasiliki Kostogiannes, ATS prescribe under Medicare Part D?
In 2024, Vasiliki Kostogiannes, ATS had 78 Medicare Part D claims for 51 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.