Kirschenbaum & Sieler LLC
NPI 1629885264 · Orthopaedic Hand Surgery Physician · East Brunswick, NJ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kirschenbaum & Sieler LLC is a Orthopaedic Hand Surgery Physician organization in East Brunswick, NJ (NPI 1629885264).
Provider details
- NPI number
- 1629885264
- Entity type
- Organization
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- David Kirschenbaum, Owner(732) 238-8800
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
1 yr 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
- 2024-12-17
- Last updated
- 2025-12-15
- Certified
- 2025-12-15
Frequently asked questions
- What is Kirschenbaum & Sieler LLC's NPI number?
- Kirschenbaum & Sieler LLC's National Provider Identifier (NPI) is 1629885264, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kirschenbaum & Sieler LLC?
- Kirschenbaum & Sieler LLC is classified in the NPPES registry as Orthopaedic Hand Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Kirschenbaum & Sieler LLC located?
- Kirschenbaum & Sieler LLC's practice location on file with NPPES is 557 Cranbury Road, East Brunswick, NJ 08816.
- What is Kirschenbaum & Sieler LLC's phone number?
- The practice phone number listed in the NPPES registry for Kirschenbaum & Sieler LLC is (732) 238-8800.
- Does Kirschenbaum & Sieler LLC accept Medicare?
- Kirschenbaum & Sieler 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 Kirschenbaum & Sieler LLC?
- The authorized official listed on Kirschenbaum & Sieler LLC's NPPES record is David Kirschenbaum, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kirschenbaum & Sieler LLC's NPI active?
- Yes — Kirschenbaum & Sieler LLC's NPI (1629885264) is active in the NPPES registry as of the last update on 2025-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.