NPPES file of Aug 9, 2026

Caitlin Ann Sisk, CNP

Psychiatric/Mental Health Nurse Practitioner · Concord, MA

Caitlin Ann Sisk, CNP is a psychiatric/mental health nurse practitioner with a practice address in Concord, Massachusetts, and NPI 1326706540, issued on Dec 5, 2021. Check the license (Massachusetts RN2296247, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326706540
Name
Caitlin Ann Sisk
Credential
CNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
RN2296247 MA
Self-reported in NPPES; status is on the state search
Practice location
200 Baker Ave Ste 203, Concord, MA 01742
Phone
(781) 551-0999
Enumerated
Dec 5, 2021
Record last updated
Jan 8, 2026
Medicare enrollment
Enrolled (PECOS I20230925001028); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 200 Baker Ave Ste 203

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elizabeth Dlugi, PSY.D.Clinical Psychologist1588507354
  2. Linda GaoChild & Adolescent Psychiatry Physician1538690847
  3. Maryam Rezazadeh, PHDClinical Psychologist1982097754

Verify Caitlin Ann Sisk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2296247
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

26 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Caitlin Sisk26
  2. Specialty average906

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

  1. Child And Family Psychological Services PLLCWeymouth, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Caitlin Ann Sisk among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts

Caitlin Ann Sisk, CNP 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 2021, is newer than 52% of them.

  • NPI issued2021 · 52% of these records are older, 41% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2021 · median 2021 among the 1,309 with a school on file
  • Record last updated2026 · 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).

17 psychiatric/mental health nurse practitioner records list a practice address in Concord

They are 17 of the 1,078 NPPES records with a practice address in Concord, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Devon Beal, NP, CNSConcord, MA 017421326216508
  2. Crystal Branham, APRNConcord, MA 017421417224239
  3. Michael HuangConcord, MA 017421548716004
  4. Janna LeviConcord, MA 017421760955785
  5. Roger Martinkus, PMHNP-BC, MSN, RNConcord, MA 017421184251464
  6. Henry NtoroConcord, MA 017421740635283
  7. Julie Paul, CNP, CMPConcord, MA 017421891734323
  8. Svetlana Schwartz, APRNConcord, MA 017421639395528

Common questions

What is Caitlin Ann Sisk, CNP's NPI number?

Caitlin Ann Sisk, CNP's National Provider Identifier (NPI) is 1326706540, issued on Dec 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Caitlin Ann Sisk, CNP located?

The NPPES record lists a practice address at 200 Baker Ave Ste 203, Concord, MA, 01742. Phone: (781) 551-0999. Providers update this record themselves, so call before visiting.

How can I verify Caitlin Ann Sisk, CNP's license?

NPPES lists Massachusetts license number RN2296247, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Caitlin Ann Sisk, CNP prescribe under Medicare Part D?

In 2024, Caitlin Ann Sisk, CNP had 26 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.