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SUFFOLK NEPHROLOGY ASSOCIATES, PC
NPI 1255501045
Internal Medicine in Bay Shore, NY

Active since March 07, 2008CLIA 33D0156178 · Microscopy
340 HOWELLS RD, SUITE A, BAY SHORE, NY 11706(631) 666-2808(631) 666-3097 Get Directions Write a Review

NPPES record last updated: March 7, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Suffolk Nephrology Associates, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SUFFOLK NEPHROLOGY ASSOCIATES, PC (NPI 1255501045) is a healthcare organization registered as an internal medicine in Bay Shore, New York and active in the NPI registry since March 2008. The organization holds a CLIA Microscopy certificate valid through March 18, 2028 and lists Katherine Rapp, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1255501045
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSUFFOLK NEPHROLOGY ASSOCIATES, PC
Location Address340 HOWELLS RD, SUITE ABay Shore, NY 11706-5322
Mailing Address340 Howells Rd, Suite ABay Shore, NY 11706-5322 · (631) 666-2808 · Fax (631) 666-3097
Phone(631) 666-2808
Fax(631) 666-3097
Organization SubpartNo
Authorized OfficialKatherine RappOffice Manager · (631) 666-2808
Enumeration DateMarch 7, 2008
✔ NPI 1255501045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
340 HOWELLS RD, Bay Shore, NY 11706
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Suffolk Nephrology Associates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Suffolk Nephrology Associates, PC, which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Ralph Barbato, D.O.
Nephrology
NPI 1184725236
340 HOWELLS RD SUITE A
Bay Shore, NY 11706
(631) 666-2808
✔ PECOS✔ Accepts MedicareSame address
Stephen Bernhardt, M.D.
Nephrology
NPI 1851492904
340 HOWELLS RD SUITE A
Bay Shore, NY 11706
(631) 666-2808
✔ PECOS✔ Accepts MedicareSame address
William Frank, M.D.
Nephrology
NPI 1972604007
340 HOWELLS RD SUITE A
Bay Shore, NY 11706
(631) 666-2808
✔ PECOS✔ Accepts MedicareSame address
Sudhir Goyal, M.D.
Nephrology
NPI 1356442495
340 HOWELLS RD SUITE A
Bay Shore, NY 11706
(631) 666-2808
✔ PECOS✔ Accepts MedicareSame address
Max Pommier, D.O.
Nephrology
NPI 1194010579
340 HOWELLS RD STE A
Bay Shore, NY 11706
(631) 666-2864
✔ PECOS✔ Accepts MedicareSame address
Cindy Parasram, MD
Nephrology
NPI 1013590355
550 1ST AVE
New York, NY 10016
(212) 263-8060
✔ PECOS37 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 33D0156178

Suffolk Nephrology Associates PC · Bay Shore, NY
Active · expires Mar 18, 2028
CLIA Number33D0156178
Laboratory TypePhysician Office
Certificate Effective DateMarch 19, 2026
Certificate Expiration DateMarch 18, 2028
Laboratory DirectorWilliam Frank
Laboratory Phone(631) 666-2808
Laboratory LocationSuffolk Nephrology Associates PC340 Howells Rd Suite A, Bay Shore, NY 11706
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Suffolk Nephrology Associates, PC's NPI number?

The NPI number for Suffolk Nephrology Associates, PC is 1255501045. It was assigned to this organization in the NPPES registry on March 7, 2008.

Where is Suffolk Nephrology Associates, PC located?

Suffolk Nephrology Associates, PC is located at 340 Howells Rd Suite A, Bay Shore, NY 11706. The listed phone number is (631) 666-2808.

What is Suffolk Nephrology Associates, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Suffolk Nephrology Associates, PC enrolled in Medicare?

Yes. Suffolk Nephrology Associates, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Suffolk Nephrology Associates, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians, all in Nephrology, reassign their Medicare billing to Suffolk Nephrology Associates, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Suffolk Nephrology Associates, PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 33D0156178) is associated with this NPI, valid through March 18, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Suffolk Nephrology Associates, PC was last updated on March 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.