Island Nephrology Services, PC
NPI 1598753253 · Nephrology Physician · Staten Island, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Island Nephrology Services, PC is a Nephrology Physician organization in Staten Island, NY (NPI 1598753253).
Provider details
- NPI number
- 1598753253
- Entity type
- Organization
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Margaret Alvarez, Authorized Official(718) 876-6220
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 12046 Queens BlvdKew Gardens, NY 11415-1204Phone: (718) 793-3341Fax: (718) 268-1666
- 1550 Richmond Ave Ste 205Staten Island, NY 10314-1578Phone: (718) 982-7800Fax: (718) 982-7722
Registry dates
- Enumerated
- 2005-10-07
- Last updated
- 2025-06-19
- Certified
- 2025-06-19
Frequently asked questions
- What is Island Nephrology Services, PC's NPI number?
- Island Nephrology Services, PC's National Provider Identifier (NPI) is 1598753253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Island Nephrology Services, PC?
- Island Nephrology Services, PC is classified in the NPPES registry as Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Island Nephrology Services, PC located?
- Island Nephrology Services, PC's practice location on file with NPPES is 470 Seaview Ave, Staten Island, NY 10305-3401.
- What is Island Nephrology Services, PC's phone number?
- The practice phone number listed in the NPPES registry for Island Nephrology Services, PC is (718) 987-5940.
- Does Island Nephrology Services, PC accept Medicare?
- Island Nephrology Services, 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 Island Nephrology Services, PC?
- The authorized official listed on Island Nephrology Services, PC's NPPES record is Margaret Alvarez, Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Island Nephrology Services, PC's NPI active?
- Yes — Island Nephrology Services, PC's NPI (1598753253) is active in the NPPES registry as of the last update on 2025-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.