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Active NPI 1336474212 Individual Practitioner Male Practitioner

Corey John Grahn , NP-C

Nurse Practitioner • Ionia, MI

Professional Overview & Biography Verified Profile Summary

Corey Grahn, NP-C is a registered healthcare professional specializing in Nurse Practitioner in Ionia, MI. Practice services are available at 1342 W MAIN ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1342 W Main St

Ionia, MI 488461923

Telephone 6165272500

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Ionia, MI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 12.0 Yrs
State Avg: 10.8 Yrs
Regional Practice Density
4 Specialists

Practicing in Ionia, MI (3626 Statewide)

Telehealth Adoption Rate
25.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-02-14
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License MI 4704177461

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
📍
Updated Business Mailing Address February 14, 2025

Registered at 1728 W BLUEWATER HWY, IONIA, MI 488468553 (Tel: 6165272500)

NPI Profile Active December 30, 2009

NPI status registered as active in NPPES database

📍
Updated Practice Location December 30, 2009

Registered at 1342 W MAIN ST, IONIA, MI 488461923 (Tel: 6165272500)

📍
Updated Business Mailing Address December 30, 2009

Registered at 1342 W MAIN ST, IONIA, MI 488461923 (Tel: 6165272500)

👤
Provider Name / Credentials Updated December 30, 2009

Recorded as COREY GRAHN, NP-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 30, 2009

Nurse Practitioner (License #4704177461 in MI)

🟢
Initial NPI Registration & Enumeration October 09, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1336474212
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 09, 2009
Last Update: February 14, 2025
Sole Proprietor: No

Mailing Address

1728 W Bluewater Hwy

Ionia, MI 488468553

Phone: 6165272500

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.