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KOSSOW & SANDBERG MD LLC
NPI 1720758642
Internal Medicine in Princeton, NJ

Active since September 14, 2021
731 ALEXANDER RD STE 201, PRINCETON, NJ 08540(609) 655-3800(866) 912-7741 Get Directions Write a Review

NPPES record last updated: February 12, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 12, 2022, Sep 14, 2021 (2 updates tracked since 2021).

About Kossow & Sandberg Md Llc NPPES

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

KOSSOW & SANDBERG MD LLC (NPI 1720758642) is a healthcare organization registered as an internal medicine in Princeton, New Jersey and active in the NPI registry since September 2021. The organization lists Lynne B Kossow, Md, as its authorized official.

NPPES Registry Identity

NPI1720758642
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameKOSSOW & SANDBERG MD LLC
Location Address731 ALEXANDER RD STE 201Princeton, NJ 08540-6345
Mailing Address731 Alexander Rd Ste 201Princeton, NJ 08540-6345 · (609) 655-3800 · Fax (866) 912-7741
Phone(609) 655-3800
Fax(866) 912-7741
Organization SubpartNo
Authorized OfficialLynne B KossowMd · (609) 410-5487
Enumeration DateSeptember 14, 2021
Last NPPES UpdateFebruary 12, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 12, 2022
✔ NPI 1720758642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
731 ALEXANDER RD STE 201, Princeton, NJ 08540
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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kossow & Sandberg Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Kossow & Sandberg MD LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Emily Sandberg, MD
Internal Medicine
NPI 1790216745
731 ALEXANDER RD STE 201
Princeton, NJ 08540
(609) 655-3800
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Kossow & Sandberg MD LLC's NPI number?

The NPI number for Kossow & Sandberg MD LLC is 1720758642. It was assigned to this organization in the NPPES registry on September 14, 2021.

Where is Kossow & Sandberg MD LLC located?

Kossow & Sandberg MD LLC is located at 731 Alexander Rd Ste 201, Princeton, NJ 08540. The listed phone number is (609) 655-3800.

What is Kossow & Sandberg MD LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Kossow & Sandberg MD LLC enrolled in Medicare?

Yes. Kossow & Sandberg MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Kossow & Sandberg MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Kossow & Sandberg MD LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Kossow & Sandberg MD LLC was last updated on February 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.