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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARIANNE SARAH KOENIG M.D.
NPI 1619930559
Pediatrics - Adolescent Medicine in Sandwich, MA

Active since April 11, 2006
449 ROUTE 130, SANDWICH, MA 02563(508) 888-8430(508) 888-6673 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Marianne Sarah Koenig M.d. NPPES

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

DR. MARIANNE SARAH KOENIG M.D. (NPI 1619930559) is an individual adolescent medicine provider in Sandwich, Massachusetts, licensed in Massachusetts (50001) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1619930559
Entity TypeIndividualFemale
Primary Taxonomy2080A0000X
Provider Legal NameDR. MARIANNE SARAH KOENIGCredential: M.D.
Location Address449 ROUTE 130Sandwich, MA 02563-2339
Mailing Address449 Route 130Sandwich, MA 02563-2339 · (508) 888-8430 · Fax (508) 888-6673
Phone(508) 888-8430
Fax(508) 888-6673
Sole ProprietorNo
Enumeration DateApril 11, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1619930559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in MA · 50001
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
449 ROUTE 130, Sandwich, MA 02563
Open in Google Maps ↗

Other Identifiers 7

Other28345MA · Childrens Medical Securit
OtherS011190MA · Tricare
Other20140MA · Harvard Pilgrim Health Ca
OtherKOJO4544MA · Blue Cross Blue Shield
Other1200958MA · United Healthcare
Medicaid3000532MA
Other4849274MA · Cigna

Accepted Insurance

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

Other Providers at the Same Location NPPES 9

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

DR. DAVID M CALLAHAN PH.D.
Psychologist
449 ROUTE 130, SUITE 12
SANDWICH, MA 02563
Barnstable County (508) 888-7744
SANDWICH PEDIATRICS
Pediatrics (Adolescent Medicine)
449 ROUTE 130
SANDWICH, MA 02563
Barnstable County (508) 888-8430
AIMEE DOCTOROFF APRN
Registered Nurse
449 ROUTE 130
SANDWICH, MA 02563
Barnstable County (508) 380-3473
MARIE JELLINEK RN
Registered Nurse
449 ROUTE 130
SANDWICH, MA 02563
Barnstable County (508) 888-9241
THEODORE JELLINEK MD
Psychiatry & Neurology (Psychiatry)
449 ROUTE 130
SANDWICH, MA 02563
Barnstable County (508) 888-9241
DR. FRANCES L NENNA M.D.
Pediatrics
449 ROUTE 130
SANDWICH, MA 02563
Barnstable County (508) 888-8430
THE SANDWICH CENTER, INC.
Psychologist (Clinical)
449 ROUTE 130
SANDWICH, MA 02563
Barnstable County (508) 888-7744
MICHAEL K. ACKLAND, MD
Orthopaedic Surgery (Sports Medicine)
449 ROUTE 130, STE 8
SANDWICH, MA 02563
Barnstable County (508) 888-6907

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 Marianne Koenig's NPI number?

The NPI number for Marianne Koenig is 1619930559. It was assigned to this individual provider in the NPPES registry on April 11, 2006.

Where is Marianne Koenig located?

Marianne Koenig practices at 449 Route 130, Sandwich, MA 02563. The listed phone number is (508) 888-8430.

What is Marianne Koenig's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

What insurance does Marianne Koenig accept?

Health plans from Anthem Blue Cross and Blue Shield list Marianne Koenig 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 Marianne Koenig was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.