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CAITLIN ANN SISK CNP
NPI 1326706540
Nurse Practitioner - Psychiatric/Mental Health in Concord, MA

Active since December 05, 2021PECOS EnrolledAccepts Medicare Assignment
200 BAKER AVE STE 203, CONCORD, MA 01742(781) 551-0999 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 8, 2026, Dec 5, 2021 (2 updates tracked since 2021).

About Caitlin Ann Sisk Cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAITLIN ANN SISK CNP (NPI 1326706540) is an individual psychiatric/mental health provider in Concord, Massachusetts, licensed in Massachusetts (RN2296247) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1326706540
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameCAITLIN ANN SISKCredential: CNP
Location Address200 BAKER AVE STE 203Concord, MA 01742-2170
Mailing AddressPo Box 675153Detroit, MI 48267-5153 · (781) 551-0999
Phone(781) 551-0999
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 5, 2021
Last NPPES UpdateJanuary 8, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
✔ NPI 1326706540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · RN2296247
200 BAKER AVE STE 203, Concord, MA 01742
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caitlin Ann Sisk Cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173977238
PECOS Enrollment IDI20230925001028
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01742 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDA GAO
Psychiatry & Neurology (Child & Adolescent Psychiatry)
200 BAKER AVE STE 203
CONCORD, MA 01742
Middlesex County (781) 551-0999
DR. MARYAM REZAZADEH PHD
Psychologist (Clinical)
200 BAKER AVE STE 203
CONCORD, MA 01742
Middlesex County (781) 646-0500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Caitlin Sisk's NPI number?

The NPI number for Caitlin Sisk is 1326706540. It was assigned to this individual provider in the NPPES registry on December 5, 2021.

Where is Caitlin Sisk located?

Caitlin Sisk practices at 200 Baker Ave Ste 203, Concord, MA 01742. The listed phone number is (781) 551-0999.

What is Caitlin Sisk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Caitlin Sisk enrolled in Medicare?

Yes. Caitlin Sisk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Caitlin Sisk accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Caitlin Sisk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Caitlin Sisk was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.