Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1679666952 Individual Practitioner Female Practitioner

Dr. Joan M Crennan , MD

Internal Medicine • Appleton, WI

Professional Overview & Biography Verified Profile Summary

Dr. Joan Crennan, MD is a registered healthcare professional specializing in Internal Medicine in Appleton, WI. Practice services are available at 1665 N MCCARTHY RD APT 10 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1665 N Mccarthy Rd Apt 10

Appleton, WI 549135458

Telephone 5053214094
Associated Practice Facility / Clinic
🏢 Shawano Clinic, Inc Facility NPI 1437272135

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Appleton, WI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.9 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
41 Specialists

Practicing in Appleton, WI (2181 Statewide)

Telehealth Adoption Rate
12.2% 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

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WI 39221

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.

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1665 N MCCARTHY RD APT 10, APPLETON, WI 549135458 (Tel: 5053214094)

📍
Updated Business Mailing Address July 08, 2007

Registered at PO BOX 8003, APPLETON, WI 549128003 (Tel: 9209963298)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOAN CRENNAN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #39221 in WI)

🟢
Initial NPI Registration & Enumeration October 01, 2006

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: 1679666952
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 01, 2006
Last Update: July 08, 2007
Sole Proprietor: No

Mailing Address

Po Box 8003

Appleton, WI 549128003

Phone: 9209963298

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.