Jennifer R. Mammen, NP
Nurse Practitioner · Portsmouth, RI
Jennifer R. Mammen, NP is a nurse practitioner with a practice address in Portsmouth, Rhode Island, and NPI 1154540243, issued on Apr 25, 2007. Check the license (Rhode Island APRN01824, as entered in NPPES) with the Rhode Island board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer R. Mammen
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- APRN01824 RI
335104 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2444 E Main RD, Portsmouth, RI 02871
- Phone
- (401) 683-4817
- Enumerated
- Apr 25, 2007
- Record last updated
- Sep 6, 2024
- Medicaid ID
- 02892840 NY
- Medicare enrollment
- Enrolled (PECOS I20201019002588); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1999
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 391 in Rhode Island → Look up another NPI →
Also registered at 2444 E Main RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Baker, MED, CAGS, LMHCMental Health Counselor1689726861
- Andrea Bond, MDFamily Medicine Physician1265420442
- Timothy Byon, M.D.Family Medicine Physician1538456298
- Julie Deleo, MDInternal Medicine Physician1154319440
- Kristin Dillon, RDRegistered Dietitian1104281450
- Angela Janick, FNP-CNurse Practitioner1780433474
Verify Jennifer R. Mammen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
Search for license APRN01824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average nurse practitioner in 2024
855 Medicare Part D claims for 321 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium79 claims
- Lisinopril50 claims
- Levothyroxine Sodium44 claims
- Hydrochlorothiazide31 claims
- Rosuvastatin Calcium28 claims
- Omeprazole25 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
- Southcoast Physicians Group IncPortsmouth, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer R. Mammen among 391 nurse practitioner records in Rhode Island
Jennifer R. Mammen, NP is one of 391 nurse practitioner records with a practice address in Rhode Island. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 23% of them.
- NPI issued2007 · 23% of these records are older, 70% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1999 · median 2017 among the 237 with a school on file
- Record last updated2024 · 41% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 nurse practitioner records list a practice address in Portsmouth
They are 5 of the 202 NPPES records with a practice address in Portsmouth, and 391 nurse practitioner records in Rhode Island.
All 391 in Rhode Island → Every provider in Portsmouth → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Angela Janick, FNP-CPortsmouth, RI 028711780433474
- Ian KellyPortsmouth, RI 028711467254482
- Hope Ryan, APRN, BCPortsmouth, RI 028711093702110
- Jennifer Silva, NPPortsmouth, RI 028711417378811
- Jennifer Alfred, MSN, ACNP-AGLincoln, RI 028651437931748
- Christina Botelho, FNPLincoln, RI 028651699107565
- Jessie Bouchard, MSN, APRN, FNP-CLincoln, RI 028651609756469
- Caitlyn Braga, FNP-CLincoln, RI 028651336826866
Common questions
What is Jennifer R. Mammen, NP's NPI number?
Jennifer R. Mammen, NP's National Provider Identifier (NPI) is 1154540243, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer R. Mammen, NP located?
The NPPES record lists a practice address at 2444 E Main RD, Portsmouth, RI, 02871. Phone: (401) 683-4817. Providers update this record themselves, so call before visiting.
How can I verify Jennifer R. Mammen, NP's license?
NPPES lists Rhode Island license number APRN01824, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer R. Mammen, NP prescribe under Medicare Part D?
In 2024, Jennifer R. Mammen, NP had 855 Medicare Part D claims for 321 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.