Nell Peiken, NP, APRN
Psychiatric/Mental Health Nurse Practitioner · Chelsea, MA
Nell Peiken, NP, APRN is a psychiatric/mental health nurse practitioner with a practice address in Chelsea, Massachusetts, and NPI 1275813032, issued on Aug 25, 2011. Check the license (Massachusetts RN280116, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nell Peiken
- Credential
- NP, APRN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- RN280116 MA
Self-reported in NPPES; status is on the state search - Practice location
- 301 Broadway, Chelsea, MA 02150
- Phone
- (617) 912-7900
- Enumerated
- Aug 25, 2011
- Record last updated
- Mar 23, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →
Also registered at 301 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sylvie AbookireCounselor1881142941
- Elanna AbreuMental Health Counselor1942991294
- Amilla AceiroMental Health Counselor1043032907
- Joseph Acra, MDPsychiatry Physician1326206038
- Vannia AguirreSocial Worker1457967465
- Akinbode AkinolaCounselor1881455954
Verify Nell Peiken in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN280116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
22 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Nell Peiken among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
Nell Peiken, NP, APRN is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 13% of them.
- NPI issued2011 · 13% of these records are older, 84% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2012 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 psychiatric/mental health nurse practitioner records list a practice address in Chelsea
They are 6 of the 998 NPPES records with a practice address in Chelsea, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.
All 2,169 in Massachusetts → Every provider in Chelsea → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Annet BukuluChelsea, MA 021501750905410
- Michelle CataldoChelsea, MA 021501043735830
- Jessica Conaway, CNP, PMHNP-BCChelsea, MA 021501841993532
- Erika Garcia, AGNP-C, PMHNP-BCChelsea, MA 021501366094963
- Caitlin Mulligan, PMHNPChelsea, MA 021501285164814
- Gustavo Bernardino Ferreira Da SilvaEverett, MA 021491083535207
- James Bouras, PMHNP-BCEverett, MA 021491750662532
- Samantha Jankowski, PMHNPRevere, MA 021511245885425
Common questions
What is Nell Peiken, NP, APRN's NPI number?
Nell Peiken, NP, APRN's National Provider Identifier (NPI) is 1275813032, issued on Aug 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nell Peiken, NP, APRN located?
The NPPES record lists a practice address at 301 Broadway, Chelsea, MA, 02150. Phone: (617) 912-7900. Providers update this record themselves, so call before visiting.
How can I verify Nell Peiken, NP, APRN's license?
NPPES lists Massachusetts license number RN280116, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Nell Peiken, NP, APRN prescribe under Medicare Part D?
In 2024, Nell Peiken, NP, APRN had 22 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.