HAYNER INTERNAL MEDICINE ASSOCIATES, PLLC
NPI 1154914976
Internal Medicine in Howell, MI

Q: What is Hayner Internal Medicine Associates, PLLC's specialty?

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

Active since February 12, 2021

1225 W GRAND RIVER AVE STE 200, HOWELL, MI 48843(517) 304-1245 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 24, 2025, Oct 24, 2022, Feb 12, 2021 (3 updates tracked since 2021).

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About Hayner Internal Medicine Associates, Pllc NPPES

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

HAYNER INTERNAL MEDICINE ASSOCIATES, PLLC (NPI 1154914976) is a healthcare organization registered as an internal medicine in Howell, Michigan and active in the NPI registry since February 2021. The organization lists Denise Kozlowski, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1154914976

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameHAYNER INTERNAL MEDICINE ASSOCIATES, PLLC

Location Address1225 W GRAND RIVER AVE STE 200Howell, MI 48843-3970

Mailing AddressPo Box 709Pinckney, MI 48169-0709

Phone(517) 304-1245

Organization SubpartNo

Authorized OfficialDenise KozlowskiPractice Manager · (517) 304-1245

Enumeration DateFebruary 12, 2021

Last NPPES UpdateNovember 24, 20253 updates tracked since enumeration

NPPES CertifiedNovember 24, 2025

✔ NPI 1154914976 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.

1225 W GRAND RIVER AVE STE 200, Howell, MI 48843

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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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 Hayner Internal Medicine Associates, PLLC's NPI number?

The NPI number for Hayner Internal Medicine Associates, PLLC is 1154914976. It was assigned to this organization in the NPPES registry on February 12, 2021.

Where is Hayner Internal Medicine Associates, PLLC located?

Hayner Internal Medicine Associates, PLLC is located at 1225 W Grand River Ave Ste 200, Howell, MI 48843. The listed phone number is (517) 304-1245.

What is Hayner Internal Medicine Associates, PLLC's specialty?

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

What insurance does Hayner Internal Medicine Associates, PLLC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Hayner Internal Medicine Associates, PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Hayner Internal Medicine Associates, PLLC was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.