Long Island Arthritis and Rheumatism Medical PC
NPI 1134438823 · Rheumatology Physician · Massapequa, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Long Island Arthritis and Rheumatism Medical PC is a Rheumatology Physician organization in Massapequa, NY (NPI 1134438823).
Provider details
- NPI number
- 1134438823
- Entity type
- Organization
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Olena Guzhva, Owner(516) 439-0380
- License
- 251871 (NY)
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
15 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
- 2010-09-29
- Last updated
- 2010-09-29
Frequently asked questions
- What is Long Island Arthritis and Rheumatism Medical PC's NPI number?
- Long Island Arthritis and Rheumatism Medical PC's National Provider Identifier (NPI) is 1134438823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Long Island Arthritis and Rheumatism Medical PC?
- Long Island Arthritis and Rheumatism Medical PC is classified in the NPPES registry as Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Long Island Arthritis and Rheumatism Medical PC located?
- Long Island Arthritis and Rheumatism Medical PC's practice location on file with NPPES is 200 Boundary Ave, Massapequa, NY 11758-1152.
- What is Long Island Arthritis and Rheumatism Medical PC's phone number?
- The practice phone number listed in the NPPES registry for Long Island Arthritis and Rheumatism Medical PC is (516) 439-0380.
- Does Long Island Arthritis and Rheumatism Medical PC accept Medicare?
- Long Island Arthritis and Rheumatism Medical PC 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 Long Island Arthritis and Rheumatism Medical PC?
- The authorized official listed on Long Island Arthritis and Rheumatism Medical PC's NPPES record is Olena Guzhva, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Long Island Arthritis and Rheumatism Medical PC's NPI active?
- Yes — Long Island Arthritis and Rheumatism Medical PC's NPI (1134438823) is active in the NPPES registry as of the last update on 2010-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.