Kossow & Sandberg MD LLC
NPI 1720758642 · Internal Medicine Physician · Princeton, NJ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kossow & Sandberg MD LLC is a Internal Medicine Physician organization in Princeton, NJ (NPI 1720758642).
Provider details
- NPI number
- 1720758642
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lynne Kossow, MD(609) 410-5487
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-09-14
- Last updated
- 2022-02-12
- Certified
- 2022-02-12
Frequently asked questions
- What is Kossow & Sandberg MD LLC's NPI number?
- Kossow & Sandberg MD LLC's National Provider Identifier (NPI) is 1720758642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kossow & Sandberg MD LLC?
- Kossow & Sandberg MD LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kossow & Sandberg MD LLC located?
- Kossow & Sandberg MD LLC's practice location on file with NPPES is 731 Alexander Rd Ste 201, Princeton, NJ 08540-6345.
- What is Kossow & Sandberg MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Kossow & Sandberg MD LLC is (609) 655-3800.
- Does Kossow & Sandberg MD LLC accept Medicare?
- Kossow & Sandberg MD LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Kossow & Sandberg MD LLC?
- The authorized official listed on Kossow & Sandberg MD LLC's NPPES record is Lynne Kossow, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kossow & Sandberg MD LLC's NPI active?
- Yes — Kossow & Sandberg MD LLC's NPI (1720758642) is active in the NPPES registry as of the last update on 2022-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.