MIDDLE COUNTRY ENDOCRINOLOGY, PC
NPI 1295068930
Internal Medicine - Endocrinology, Diabetes & Metabolism in Smithtown, NY

Active since September 14, 2009
285 MIDDLE COUNTRY RD, SUITE 105, SMITHTOWN, NY 11787(631) 509-0390 Get Directions Write a Review

NPPES record last updated: September 14, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Middle Country Endocrinology, Pc NPPES

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

MIDDLE COUNTRY ENDOCRINOLOGY, PC (NPI 1295068930) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Smithtown, New York and active in the NPI registry since September 2009. The organization lists Sherry K Sussman, Ceo, as its authorized official.

NPPES Registry Identity

NPI1295068930
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameMIDDLE COUNTRY ENDOCRINOLOGY, PC
Location Address285 MIDDLE COUNTRY RD, SUITE 105Smithtown, NY 11787-2978
Mailing Address285 Middle Country Rd, Suite 105Smithtown, NY 11787-2978 · (631) 509-0390
Organization SubpartNo
Authorized OfficialSherry K SussmanCeo · (631) 509-0390
Enumeration DateSeptember 14, 2009
✔ NPI 1295068930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in NY · 205106
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
285 MIDDLE COUNTRY RD, Smithtown, NY 11787

Other Identifiers 3

Other1235176280Npi # Individual
Medicare UPINH48379
Medicare PIN3X0771

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Middle Country Endocrinology, 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 Middle Country Endocrinology, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Endocrinology
NPI 1669677332
285 MIDDLE COUNTRY RD SUITE 105
Smithtown, NY 11787
(631) 509-0390
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1235176280
285 MIDDLE COUNTRY RD SUITE 105
Smithtown, NY 11787
(631) 509-0390
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1063917136
285 E MAIN ST
Smithtown, NY 11787
(631) 656-0874
✔ PECOS✔ Accepts Medicare0.2 mi
Nurse Practitioner
NPI 1699201970
101 MINEOLA BLVD FL 2
Mineola, NY 11501
(516) 663-3511
✔ PECOS✔ Accepts Medicare25 mi
Certified Clinical Nurse Specialist (CNS)
NPI 1639510837
1279 E MAIN ST
Riverhead, NY 11901
(631) 727-2100
✔ PECOS✔ Accepts Medicare28 mi
Nurse Practitioner
NPI 1669984258
410 LAKEVILLE RD STE 206
New Hyde Park, NY 11042
(718) 470-7644
✔ PECOS28 mi

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

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 Middle Country Endocrinology, PC's NPI number?

The NPI number for Middle Country Endocrinology, PC is 1295068930. It was assigned to this organization in the NPPES registry on September 14, 2009.

Where is Middle Country Endocrinology, PC located?

Middle Country Endocrinology, PC is located at 285 Middle Country Rd Suite 105, Smithtown, NY 11787. The listed phone number is (631) 509-0390.

What is Middle Country Endocrinology, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Middle Country Endocrinology, PC enrolled in Medicare?

Yes. Middle Country Endocrinology, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Middle Country Endocrinology, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 3 Medicare specialties reassign their Medicare billing to Middle Country Endocrinology, 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. The largest specialties are Nurse Practitioner (3), Endocrinology (2) and Certified Clinical Nurse Specialist (CNS) (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Middle Country Endocrinology, PC was last updated on September 14, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.