Larissa M. Costa, PA-C
Physician Assistant · Upton, MA
Larissa M. Costa, PA-C is a physician assistant with a practice address in Upton, Massachusetts, and NPI 1982121422, issued on Aug 25, 2017. Check the license (Massachusetts PA6244, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Larissa M. Costa
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA6244 MA
Self-reported in NPPES; status is on the state search - Practice location
- 236 Milford St, Upton, MA 01568
- Phone
- (508) 473-1015
- Enumerated
- Aug 25, 2017
- Record last updated
- Jul 24, 2026
- Fax
- (508) 634-0261
- Medicare enrollment
- Enrolled (PECOS I20171109003442); 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 236 Milford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Larissa M. Costa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA6244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.3 times the Medicare Part D claims of the average physician assistant in 2024
7,742 Medicare Part D claims for 1,369 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Succinate922 claims
- Eliquis906 claims
- Atorvastatin Calcium860 claims
- Lisinopril435 claims
- Amlodipine Besylate413 claims
- Metoprolol Tartrate405 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
- Mass General Brigham Community Physicians IncMedford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Larissa M. Costa among 4,713 physician assistant records in Massachusetts
Larissa M. Costa, 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 2017, is newer than 40% of them.
- NPI issued2017 · 40% of these records are older, 55% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2017 · median 2019 among the 3,217 with a school on file
- Record last updated2026 · 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).
3 physician assistant records list a practice address in Upton
They are 3 of the 103 NPPES records with a practice address in Upton, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Upton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lindsay Shepard, PA-CUpton, MA 015681922068485
- Randy Wnuk, PA-CUpton, MA 015681568922334
- Natalia Ciecierski, PA-CWebster, MA 015701508432733
- Nicholas CyrekWebster, MA 015701487126462
- John Hultgren, PAWebster, MA 015701144816570
- Monika MosioDudley, MA 015711700673647
- Tehan Cusimano, PASpencer, MA 015621326027251
- Melissa Hilborn, PA-CSpencer, MA 015621306943766
Common questions
What is Larissa M. Costa, PA-C's NPI number?
Larissa M. Costa, PA-C's National Provider Identifier (NPI) is 1982121422, issued on Aug 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Larissa M. Costa, PA-C located?
The NPPES record lists a practice address at 236 Milford St, Upton, MA, 01568. Phone: (508) 473-1015. Providers update this record themselves, so call before visiting.
How can I verify Larissa M. Costa, PA-C's license?
NPPES lists Massachusetts license number PA6244, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Larissa M. Costa, PA-C prescribe under Medicare Part D?
In 2024, Larissa M. Costa, PA-C had 7,742 Medicare Part D claims for 1,369 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.