Dorothy J. Sassi, NP
Nurse Practitioner · Springfield, MA
Dorothy J. Sassi, NP is a nurse practitioner with a practice address in Springfield, Massachusetts, and NPI 1356389043, issued on Jun 3, 2006. Check the license (Massachusetts 206906, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dorothy J. Sassi
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 206906 MA
Self-reported in NPPES; status is on the state search - Practice location
- 299 Carew St, Springfield, MA 01104
- Phone
- (413) 737-7951
- Enumerated
- Jun 3, 2006
- Record last updated
- Mar 3, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 377121 MA
- Medicare enrollment
- Enrolled (PECOS I20060126000391); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1999
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 299 Carew St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dorothy J. Sassi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 206906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average nurse practitioner in 2024
2,596 Medicare Part D claims for 825 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Omeprazole674 claims
- Pantoprazole Sodium322 claims
- Dicyclomine Hcl177 claims
- Famotidine165 claims
- Linzess137 claims
- Gavilyte-G126 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.
Industry payments in 2024: $535.47
25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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 2 group practices
- Hartford Healthcare Medical Group Specialists PLLCBloomfield, CT
- Riverbend Medical Group IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dorothy J. Sassi among 3,480 nurse practitioner records in Massachusetts
Dorothy J. Sassi, NP 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 78% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1999 · median 2017 among the 1,963 with a school on file
- Record last updated2010 · 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).
Nurse Practitioner providers in Massachusetts
There are 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Springfield → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Amanda CardaropoliSpringfield, MA 011041184104440
- Allison Colbert, NPSpringfield, MA 011041306185962
- Autumn Fiedler, DNP FNP-C CWOCNSpringfield, MA 011041063030013
- Dawn Grimaldi, FNP-BCSpringfield, MA 011041043031420
- Ann Hinckley, MSN, RN, APRN FNP-BCSpringfield, MA 011041689138844
- Bethany LawsSpringfield, MA 011041245676154
- Candace McDougall, N.P.Springfield, MA 011041215913439
- Jacqueline Medeiros, NPSpringfield, MA 011041457342982
Common questions
What is Dorothy J. Sassi, NP's NPI number?
Dorothy J. Sassi, NP's National Provider Identifier (NPI) is 1356389043, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dorothy J. Sassi, NP located?
The NPPES record lists a practice address at 299 Carew St, Springfield, MA, 01104. Phone: (413) 737-7951. Providers update this record themselves, so call before visiting.
How can I verify Dorothy J. Sassi, NP's license?
NPPES lists Massachusetts license number 206906, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Dorothy J. Sassi, NP prescribe under Medicare Part D?
In 2024, Dorothy J. Sassi, NP had 2,596 Medicare Part D claims for 825 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.