Josiane A. Tossa
Physician Assistant · Bethesda, MD
Josiane A. Tossa is a physician assistant with a practice address in Bethesda, Maryland, and NPI 1013538701, issued on May 4, 2020. Check the license (Maryland C0008465, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Josiane A. Tossa
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- C0008465 MD
PA031839 DC
Self-reported in NPPES; status is on the state search - Practice location
- 6410 Rockledge Dr Ste 660, Bethesda, MD 20817
- Phone
- (301) 571-0019
- Enumerated
- May 4, 2020
- Record last updated
- Dec 30, 2024
- Fax
- (240) 482-0555
- Medicare enrollment
- Enrolled (PECOS I20201124000053); 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 →
Also registered at 6410 Rockledge Dr Ste 660
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Granato, CNPNurse Practitioner1225688427
- Diane Hearn, NPNurse Practitioner1023370921
- Maria Leo, NPNurse Practitioner1922728443
- Meghan Punda, CRNPNurse Practitioner1780838078
Verify Josiane A. Tossa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C0008465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average physician assistant in 2024
326 Medicare Part D claims for 62 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 161 claims were for opioids.
Most prescribed
- Oxycodone Hcl69 claims
- Hydromorphone Hcl40 claims
- Buprenorphine-Naloxone22 claims
- Oxycodone-Acetaminophen16 claims
- Hydroxyurea13 claims
- Tramadol Hcl11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $32.55
1 payment: food and beverage; the largest payer was Pfizer Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- American Oncology Partners PAWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Josiane A. Tossa among 3,224 physician assistant records in Maryland
Josiane A. Tossa 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 2020, is newer than 66% of them.
- NPI issued2020 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2020 · median 2017 among the 1,974 with a school on file
- Record last updated2024 · 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).
115 physician assistant records list a practice address in Bethesda
They are 115 of the 7,245 NPPES records with a practice address in Bethesda, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Bethesda → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
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- Martine BottalicoBethesda, MD 208171144847369
- Michelle Bridge, PABethesda, MD 208171154878957
- Aileen Cassidy, PA-CBethesda, MD 208171790989127
- Meagan Cuff, PA-CBethesda, MD 208171649891375
- Mohammad FaisalBethesda, MD 208171760991004
- Kristen Flanagan, P.A.-CBethesda, MD 208171972886232
- John HudsonBethesda, MD 208171235604851
Common questions
What is Josiane A. Tossa's NPI number?
Josiane A. Tossa's National Provider Identifier (NPI) is 1013538701, issued on May 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Josiane A. Tossa located?
The NPPES record lists a practice address at 6410 Rockledge Dr Ste 660, Bethesda, MD, 20817. Phone: (301) 571-0019. Providers update this record themselves, so call before visiting.
How can I verify Josiane A. Tossa's license?
NPPES lists Maryland license number C0008465, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Josiane A. Tossa prescribe under Medicare Part D?
In 2024, Josiane A. Tossa had 326 Medicare Part D claims for 62 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Josiane A. Tossa's MIPS final score?
The 2023 MIPS final score is 74.4 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), 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.