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CAITLYN HARK MD
NPI 1467814251
Pediatrics in Boston, MA

Active since March 22, 2016PECOS Enrolled
300 LONGWOOD AVE, BOSTON CHILDREN'S HOSPITAL, BOSTON, MA 02115(617) 355-8241 Get Directions Write a Review

NPPES record last updated: March 19, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 19, 2019, Oct 21, 2016, Sep 15, 2016 and 1 more (4 updates tracked since 2016).

About Caitlyn Hark Md NPPES

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

CAITLYN HARK MD (NPI 1467814251) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (278303) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467814251
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameCAITLYN HARKCredential: MD
Location Address300 LONGWOOD AVE, BOSTON CHILDREN'S HOSPITALBoston, MA 02115-5724
Mailing Address300 Longwood Ave, Boston Children's Hospital Hunnewell Building Pav 129Boston, MA 02115-5724
Phone(617) 355-8241
Sole ProprietorYes
Enumeration DateMarch 22, 2016
Last NPPES UpdateMarch 19, 20194 updates tracked since enumeration
✔ NPI 1467814251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 278303
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
300 LONGWOOD AVE, Boston, MA 02115
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Other Names 1

Other Name (5)Caitlyn Williams Md

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caitlyn Hark Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 02115 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 20

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

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MRS. LAUREN ASHLEY SHARIS P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

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 Caitlyn Hark's NPI number?

The NPI number for Caitlyn Hark is 1467814251. It was assigned to this individual provider in the NPPES registry on March 22, 2016. The provider is also known as Caitlyn Williams MD.

Where is Caitlyn Hark located?

Caitlyn Hark practices at 300 Longwood Ave Boston Children's Hospital, Boston, MA 02115. The listed phone number is (617) 355-8241.

What is Caitlyn Hark's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Caitlyn Hark enrolled in Medicare?

Yes. Caitlyn Hark is registered in the Medicare PECOS enrollment system.

What insurance does Caitlyn Hark accept?

Health plans from Anthem Blue Cross and Blue Shield list Caitlyn Hark 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 Caitlyn Hark was last updated on March 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.