GILLIAN RUTH DIERCKS M.D.
NPI 1255573515
Otolaryngology - Pediatric Otolaryngology in Boston, MA

Active since April 01, 2009PECOS EnrolledAccepts Medicare Assignment
243 CHARLES ST, BOSTON, MA 02114(617) 573-3190 Get Directions Write a Review

NPPES record last updated: November 8, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 8, 2023, May 11, 2017, Jun 30, 2016 (3 updates tracked since 2016).

About Gillian Ruth Diercks M.d. NPPES

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

GILLIAN RUTH DIERCKS M.D. (NPI 1255573515) is an individual pediatric otolaryngology provider in Boston, Massachusetts, licensed in Massachusetts (266714) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Newton-wellesley Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (2009).

NPPES Registry Identity

NPI1255573515
Entity TypeIndividualFemale
Primary Taxonomy207YP0228X
Provider Legal NameGILLIAN RUTH DIERCKSCredential: M.D.
Location Address243 CHARLES STBoston, MA 02114-3002
Mailing Address243 Charles StBoston, MA 02114-3002 · (617) 573-3190
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2009
Enumeration DateApril 1, 2009
Last NPPES UpdateNovember 8, 20233 updates tracked since enumeration
NPPES CertifiedNovember 8, 2023
NPI 1255573515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207YP0228X
License Licensed in MA · 266714
Definition

A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.

Also ListedOtolaryngologyTaxonomy 207Y00000X · License 266714 (MA)
243 CHARLES ST, Boston, MA 02114

Accepted 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

Gillian Ruth Diercks M.d. 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 ID3274793658
PECOS Enrollment IDI20160901001699
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

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.

Ophthalmology
243 CHARLES ST
BOSTON, MA 02114
Psychiatry & Neurology (Neurology)
243 CHARLES ST
BOSTON, MA 02114
Radiology (Diagnostic Radiology)
243 CHARLES ST
BOSTON, MA 02114
Radiology (Diagnostic Radiology)
243 CHARLES ST
BOSTON, MA 02114
Radiology (Neuroradiology)
243 CHARLES ST
BOSTON, MA 02114
Dermatology (MOHS-Micrographic Surgery)
243 CHARLES ST
BOSTON, MA 02114
Otolaryngology
243 CHARLES ST
BOSTON, MA 02114
Otolaryngology (Otology & Neurotology)
243 CHARLES ST
BOSTON, MA 02114

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 Gillian Diercks's NPI number?

The NPI number for Gillian Diercks is 1255573515. It was assigned to this individual provider in the NPPES registry on April 1, 2009.

Where is Gillian Diercks located?

Gillian Diercks practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-3190.

What is Gillian Diercks's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.

Is Gillian Diercks enrolled in Medicare?

Yes. Gillian Diercks 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 Gillian Diercks accept?

Health plans from Anthem Blue Cross and Blue Shield list Gillian Diercks 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.

Is Gillian Diercks affiliated with any hospitals?

According to CMS data, Gillian Diercks is affiliated with Newton-Wellesley Hospital.

When was this NPI record last updated?

The NPPES record for Gillian Diercks was last updated on November 8, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.