Ausubel & Ausubel Physicians, LLP
NPI 1447274063 · Hematology & Oncology Physician · Valley Stream, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ausubel & Ausubel Physicians, LLP is a Hematology & Oncology Physician organization in Valley Stream, NY (NPI 1447274063).
Provider details
- NPI number
- 1447274063
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Janet Larsen, Biller(516) 561-8188
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Other names (DBA / former)
- Former legal business name
- Drs Ausubel Ausubel & Bienstock Physicians, LLP
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2023-01-06
- Certified
- 2023-01-06
Frequently asked questions
- What is Ausubel & Ausubel Physicians, LLP's NPI number?
- Ausubel & Ausubel Physicians, LLP's National Provider Identifier (NPI) is 1447274063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ausubel & Ausubel Physicians, LLP?
- Ausubel & Ausubel Physicians, LLP is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ausubel & Ausubel Physicians, LLP located?
- Ausubel & Ausubel Physicians, LLP's practice location on file with NPPES is 509 W Merrick Road, Valley Stream, NY 11580.
- What is Ausubel & Ausubel Physicians, LLP's phone number?
- The practice phone number listed in the NPPES registry for Ausubel & Ausubel Physicians, LLP is (516) 561-8188.
- Does Ausubel & Ausubel Physicians, LLP accept Medicare?
- Ausubel & Ausubel Physicians, LLP 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 Ausubel & Ausubel Physicians, LLP?
- The authorized official listed on Ausubel & Ausubel Physicians, LLP's NPPES record is Janet Larsen, Biller. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ausubel & Ausubel Physicians, LLP's NPI active?
- Yes — Ausubel & Ausubel Physicians, LLP's NPI (1447274063) is active in the NPPES registry as of the last update on 2023-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.