Warren a Hammerschlag MD LLC
NPI 1598131534 · Orthopaedic Surgery Physician · Paramus, NJ
Warren a Hammerschlag MD LLC is a Orthopaedic Surgery Physician organization in Paramus, NJ (NPI 1598131534).
Provider details
- NPI number
- 1598131534
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Warren Hammerschlag, Md/Owner(201) 977-6960
- License
- 25MA05170900 (NJ)
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
10 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
- 2015-08-13
- Last updated
- 2015-08-13
Frequently asked questions
- What is Warren a Hammerschlag MD LLC's NPI number?
- Warren a Hammerschlag MD LLC's National Provider Identifier (NPI) is 1598131534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Warren a Hammerschlag MD LLC?
- Warren a Hammerschlag MD LLC is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Warren a Hammerschlag MD LLC located?
- Warren a Hammerschlag MD LLC's practice location on file with NPPES is 22 Madison Ave, Paramus, NJ 07652-2734.
- What is Warren a Hammerschlag MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Warren a Hammerschlag MD LLC is (201) 977-6960.
- Who is the authorized official for Warren a Hammerschlag MD LLC?
- The authorized official listed on Warren a Hammerschlag MD LLC's NPPES record is Warren Hammerschlag, Md/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Warren a Hammerschlag MD LLC's NPI active?
- Yes — Warren a Hammerschlag MD LLC's NPI (1598131534) is active in the NPPES registry as of the last update on 2015-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.