Giselle Nicole Unger, NP
Family Nurse Practitioner · Boston, MA
Giselle Nicole Unger, NP is a family nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1205564069, issued on Aug 10, 2022. Check the license (Massachusetts RN2303311, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Giselle Nicole Unger
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2303311 MA
Self-reported in NPPES; status is on the state search - Practice location
- 333 Longwood Ave, Boston, MA 02115
- Phone
- (857) 218-3046
- Enumerated
- Aug 10, 2022
- Record last updated
- May 8, 2026
- Medicaid IDs
- 110191821A MA
3140226 NH - Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 333 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Giselle Nicole Unger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2303311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family nurse practitioner in 2024
138 Medicare Part D claims for 43 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Levothyroxine Sodium11 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.
Giselle Nicole Unger among 4,724 family nurse practitioner records in Massachusetts
Giselle Nicole Unger, NP 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 updated2026 · 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).
938 family nurse practitioner records list a practice address in Boston
They are 938 of the 41,865 NPPES records with a practice address in Boston, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Boston → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Stephanie Ahmed, N.P.Boston, MA 021151952493447
- Melissa Cochran, RN, MS, NPBoston, MA 021151578518858
- Tracey Costantino, NPBoston, MA 021151295779890
- Virginia Dalton, APRN BCBoston, MA 021151598703092
- Marina Donahue, N.P.Boston, MA 021151922161801
- Sherry Iuliano, NPBoston, MA 021151013065135
- Anne Kelly, NPBoston, MA 021151558303412
- Theresa Kennedy, FNPBoston, MA 021151316016892
Common questions
What is Giselle Nicole Unger, NP's NPI number?
Giselle Nicole Unger, NP's National Provider Identifier (NPI) is 1205564069, issued on Aug 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Giselle Nicole Unger, NP located?
The NPPES record lists a practice address at 333 Longwood Ave, Boston, MA, 02115. Phone: (857) 218-3046. Providers update this record themselves, so call before visiting.
How can I verify Giselle Nicole Unger, NP's license?
NPPES lists Massachusetts license number RN2303311, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Giselle Nicole Unger, NP prescribe under Medicare Part D?
In 2024, Giselle Nicole Unger, NP had 138 Medicare Part D claims for 43 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.