HAAG MEDICAL PLLC
NPI 1720266927
Internal Medicine in Warsaw, NY

Active since February 11, 2008
450 N MAIN ST, WARSAW, NY 14569(585) 558-4189(585) 382-1863 Get Directions Write a Review

NPPES record last updated: November 12, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Haag Medical Pllc NPPES

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

HAAG MEDICAL PLLC (NPI 1720266927) is a healthcare organization registered as an internal medicine in Warsaw, New York and active in the NPI registry since February 2008. The organization lists Reed Haag, Owner, as its authorized official.

NPPES Registry Identity

NPI1720266927
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHAAG MEDICAL PLLC
Location Address450 N MAIN STWarsaw, NY 14569-1043
Mailing Address7 Seneca StHornell, NY 14843-1312 · (607) 324-1372 · Fax (607) 324-1374
Fax(585) 382-1863
Organization SubpartNo
Authorized OfficialReed HaagOwner · (585) 593-0400
Enumeration DateFebruary 11, 2008
Last NPPES UpdateNovember 12, 2021
NPPES CertifiedNovember 12, 2021
✔ NPI 1720266927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 191829-1
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.
450 N MAIN ST, Warsaw, NY 14569

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)

Haag Medical Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Haag Medical PLLC, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Nurse Practitioner
NPI 1821458274
38 DUNCAN ST STE 3
Warsaw, NY 14569
(585) 208-3364
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1427199827
121 PROSPECT ST
Attica, NY 14011
(585) 708-4024
✔ PECOS11 mi
Nurse Practitioner
NPI 1649630096
489 5TH AVE FL 3
New York, NY 10017
(888) 663-6331
✔ PECOS✔ Accepts Medicare255 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 Haag Medical PLLC's NPI number?

The NPI number for Haag Medical PLLC is 1720266927. It was assigned to this organization in the NPPES registry on February 11, 2008.

Where is Haag Medical PLLC located?

Haag Medical PLLC is located at 450 N Main St, Warsaw, NY 14569. The listed phone number is (585) 558-4189.

What is Haag Medical PLLC's specialty?

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

Is Haag Medical PLLC enrolled in Medicare?

Yes. Haag Medical PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Haag Medical PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Haag Medical PLLC, in Internal Medicine and Nurse Practitioner. 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, 1 practice 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 Haag Medical PLLC was last updated on November 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.