1. Home
  2. Directory
  3. New York
  4. Attica
  5. Internal Medicine
  6. NPI Profile

REED P HAAG M.D.
NPI 1427199827
Internal Medicine in Attica, NY

Active since February 09, 2007PECOS Enrolled
121 PROSPECT ST, ATTICA, NY 14011(585) 708-4024(585) 708-4042 Get Directions Write a Review

NPPES record last updated: November 10, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 10, 2025, Nov 12, 2021 (2 updates tracked since 2021).

About Reed P Haag M.d. NPPES

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

REED P HAAG M.D. (NPI 1427199827) is an individual internal medicine provider in Attica, New York, licensed in New York (191829-1) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427199827
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameREED P HAAGCredential: M.D.
Location Address121 PROSPECT STAttica, NY 14011
Mailing Address722 W Water StElmira, NY 14905-2435 · (607) 271-2050 · Fax (607) 271-2099
Phone(585) 708-4024
Fax(585) 708-4042
Sole ProprietorYes
Enumeration DateFebruary 9, 2007
Last NPPES UpdateNovember 10, 20252 updates tracked since enumeration
NPPES CertifiedNovember 10, 2025
✔ NPI 1427199827 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.
121 PROSPECT ST, Attica, NY 14011
Open in Google Maps ↗

Other Identifiers 1

Medicaid01274735NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Reed P Haag M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Reed Haag reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Haag Medical PLLC
11 mi
Internal Medicine
450 N MAIN ST
Warsaw, NY 14569
  • Reassigned Medicare billing, New York enrollment
  • 3 clinicians in this Medicare group
NPI 1720266927 (585) 558-4189

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
48 services26 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14011 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Reed Haag's NPI number?

The NPI number for Reed Haag is 1427199827. It was assigned to this individual provider in the NPPES registry on February 9, 2007.

Where is Reed Haag located?

Reed Haag practices at 121 Prospect St, Attica, NY 14011. The listed phone number is (585) 708-4024.

What is Reed Haag's specialty?

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

Is Reed Haag enrolled in Medicare?

Yes. Reed Haag is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Reed Haag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Reed Haag reassigns Medicare benefits to Haag Medical PLLC (Warsaw, NY). The 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 Reed Haag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Reed Haag was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.