Ronald Grasso
Nurse Practitioner · Worcester, MA
Ronald Grasso is a nurse practitioner with a practice address in Worcester, Massachusetts, and NPI 1811627797, issued on Jun 14, 2022. Check the license (Massachusetts RN2337345, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronald Grasso
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2337345 MA
Self-reported in NPPES; status is on the state search - Practice location
- 119 Belmont St, Worcester, MA 01605
- Phone
- (508) 334-8765
- Enumerated
- Jun 14, 2022
- Record last updated
- Jul 28, 2022
- Medicare enrollment
- Enrolled (PECOS I20220825000865); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2021
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 119 Belmont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald Grasso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2337345Check 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% fewer Medicare Part D claims than the average nurse practitioner in 2024
1,004 Medicare Part D claims for 291 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Tamsulosin Hcl362 claims
- Finasteride166 claims
- Myrbetriq50 claims
- Alfuzosin Hcl Er48 claims
- Testosterone41 claims
- Testosterone Cypionate34 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 MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $20.91
1 payment: food and beverage; the largest payer was Endo USA, Inc. The 38,884 providers of this specialty with any payment received $791.64 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Grasso among 3,480 nurse practitioner records in Massachusetts
Ronald Grasso is one of 3,480 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 80% of them.
- NPI issued2022 · 80% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2021 · median 2017 among the 1,963 with a school on file
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
499 nurse practitioner records list a practice address in Worcester
They are 499 of the 13,166 NPPES records with a practice address in Worcester, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Worcester → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Josephine Banigo, NPWorcester, MA 016051780658021
- Jane Baron, NPWorcester, MA 016051992779243
- Alice Bonner, GNPWorcester, MA 016051366427551
- Cindy Brown, NPWorcester, MA 016051992779227
- Mary Burke, NPWorcestor, MA 016051255311270
- Anne Crowell, GNPWorcester, MA 016051598744559
- Susanne Duszlak, NPWorcester, MA 016051811961477
- Marylu Garrow, NPWorcester, MA 016051316918295
Common questions
What is Ronald Grasso's NPI number?
Ronald Grasso's National Provider Identifier (NPI) is 1811627797, issued on Jun 14, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Grasso located?
The NPPES record lists a practice address at 119 Belmont St, Worcester, MA, 01605. Phone: (508) 334-8765. Providers update this record themselves, so call before visiting.
How can I verify Ronald Grasso's license?
NPPES lists Massachusetts license number RN2337345, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Ronald Grasso prescribe under Medicare Part D?
In 2024, Ronald Grasso had 1,004 Medicare Part D claims for 291 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Ronald Grasso's MIPS final score?
The 2023 MIPS final score is 97 of 100. 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.