Mariessa Ricciardi, PA-C
Physician Assistant · Worcester, MA
Mariessa Ricciardi, PA-C is a physician assistant with a practice address in Worcester, Massachusetts, and NPI 1457090839, issued on Jun 2, 2022. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariessa Ricciardi
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 123 Summer St Ste 290N, Worcester, MA 01608
- Phone
- (508) 368-3130
- Enumerated
- Jun 2, 2022
- Record last updated
- May 17, 2023
- Fax
- (508) 368-3167
- Medicare enrollment
- Enrolled (PECOS I20230531003132); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 123 Summer St Ste 290N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariessa Ricciardi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts 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
49% more Medicare Part D claims than the average physician assistant in 2024
1,235 Medicare Part D claims for 226 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Amlodipine Besylate118 claims
- Jardiance109 claims
- Rosuvastatin Calcium101 claims
- Metoprolol Succinate91 claims
- Furosemide78 claims
- Spironolactone77 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 one group practice
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariessa Ricciardi among 4,713 physician assistant records in Massachusetts
Mariessa Ricciardi, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 68% of them.
- NPI issued2022 · 68% of these records are older, 25% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2022 · median 2019 among the 3,217 with a school on file
- Record last updated2023 · 38% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
425 physician assistant records list a practice address in Worcester
They are 425 of the 13,166 NPPES records with a practice address in Worcester, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Worcester → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Keith Beals, PAWorcester, MA 016081003989039
- Joshua Deisenroth, P.A.Worcester, MA 016081700846904
- Scott Duany, P.A.Worcester, MA 016081386604569
- Leawood Emmerton, PA CWorcester, MA 016081407835333
- Wendy Folger, PA-CWorcester, MA 016081730149972
- Alison GagnonWorcester, MA 016081548435878
- Jennifer Hardy, P.A.Worcester, MA 016081700846300
- Audra Hauck, P.A.Worcester, MA 016081437119625
Common questions
What is Mariessa Ricciardi, PA-C's NPI number?
Mariessa Ricciardi, PA-C's National Provider Identifier (NPI) is 1457090839, issued on Jun 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mariessa Ricciardi, PA-C located?
The NPPES record lists a practice address at 123 Summer St Ste 290N, Worcester, MA, 01608. Phone: (508) 368-3130. Providers update this record themselves, so call before visiting.
How can I verify Mariessa Ricciardi, PA-C's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Mariessa Ricciardi, PA-C prescribe under Medicare Part D?
In 2024, Mariessa Ricciardi, PA-C had 1,235 Medicare Part D claims for 226 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.