Sareena Wassmer
Family Nurse Practitioner · Worcester, MA
Sareena Wassmer is a family nurse practitioner with a practice address in Worcester, Massachusetts, and NPI 1114673969, issued on Mar 1, 2022. Check the license (Massachusetts RN2280342, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sareena Wassmer
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- RN2280342 MA
RN2280432 MA
Self-reported in NPPES; status is on the state search - Practice location
- 44 W Boylston St, Worcester, MA 01605
- Phone
- (508) 852-0238
- Enumerated
- Mar 1, 2022
- Record last updated
- Jul 12, 2022
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 44 W Boylston St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Irene Acheampong, MSN,FNP, BSN, RNFamily Nurse Practitioner1295390227
- Daniesha BaileyPharmacist1669255097
- Zengying ChenPharmacist1902787187
- Alaa Haffar, PHARMDPharmacist1922680503
- Afua KonaduFamily Nurse Practitioner1093105660
- Anthony Macharia, PHARMDPharmacist1760215321
Verify Sareena Wassmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2280342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family nurse practitioner in 2024
160 Medicare Part D claims for 110 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass18 claims
- Prednisone12 claims
- Azithromycin11 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): 84.9 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).
Sareena Wassmer among 4,724 family nurse practitioner records in Massachusetts
Sareena Wassmer is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% 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 72% of them.
- NPI issued2022 · 72% of these records are older, 21% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2022 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
177 family nurse practitioner records list a practice address in Worcester
They are 177 of the 13,166 NPPES records with a practice address in Worcester, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Worcester → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ama Ahenkorah, FNPWorcester, MA 016051952553232
- Svetlana Borochin, N.PWorcester, MA 016051609128149
- Jessica Deglialberti, N.P.-CWorcester, MA 016051689920993
- Lyndsey Digiorgio, FNPWorcester, MA 016051851661029
- Robynn Eisley, FNPWorcester, MA 016051467637702
- Lorraine LoretzWorcester, MA 016051649202441
- Jennifer Markey, NPWorcester, MA 016051083800916
- Donna Raymond, FNPWorcester, MA 016051407817687
Common questions
What is Sareena Wassmer's NPI number?
Sareena Wassmer's National Provider Identifier (NPI) is 1114673969, issued on Mar 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Sareena Wassmer located?
The NPPES record lists a practice address at 44 W Boylston St, Worcester, MA, 01605. Phone: (508) 852-0238. Providers update this record themselves, so call before visiting.
How can I verify Sareena Wassmer's license?
NPPES lists Massachusetts license number RN2280342, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Sareena Wassmer prescribe under Medicare Part D?
In 2024, Sareena Wassmer had 160 Medicare Part D claims for 110 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Sareena Wassmer's MIPS final score?
The 2023 MIPS final score is 84.9 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.