Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1730355249 Individual Practitioner Male Practitioner

Dr. Johnathan Edward Walter Barkham , MD

Internal Medicine • Ann Arbor, MI

Professional Overview & Biography Verified Profile Summary

Dr. Johnathan Barkham, MD is a certified Internal Medicine practicing in Ann Arbor, MI. With approximately 18 years of clinical experience since graduating from Michigan State University College Of Osteopathic Medicine in 2008, Dr. Barkham delivers high-quality medical care to the local community at 2215 FULLER RD.

Dr. Barkham does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

2215 Fuller Rd
Ann Arbor Va Hospital

Ann Arbor, MI 481052303

Telephone 7347697100
Associated Practice Facility / Clinic
🏢 Ann Arbor Vamc Facility NPI 1821055906

Medicare Profile & Education

Medical School

Michigan State University College Of Osteopathic Medicine

Graduation Year

2008

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Ann Arbor, MI

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
18 Yrs -1.3 yrs vs City Avg
City Avg: 19.3 Yrs
State Avg: 26.5 Yrs
Regional Practice Density
496 Specialists

Practicing in Ann Arbor, MI (6010 Statewide)

Telehealth Adoption Rate
20.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Barkham (18 Years) 18 Yrs
Ann Arbor Specialty Average (19.3 Years) 19.3 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-04-14
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MI 5315055471

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.

Internal Medicine - Sleep Medicine

NUCC Taxonomy Code: 207RS0012X

State License MI 5315055471

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Internal Medicine - Sleep Medicine

NUCC Taxonomy Code: 207RS0012X

State License OH 35C.003971

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Constance Larosa , RN

Registered Nurse

NPI 1003017716

Registered Nurse

Jacquelyn Vanzile , LPCC

Counselor - Mental Health

NPI 1003408428

Licensed Professional Clinical Counselor

Amie Richardson

Physical Therapy Assistant

NPI 1003615634
Kathryn Ruttan , RN

Registered Nurse - Ambulatory Care

NPI 1003694258

Registered Nurse

Sarena Smith

Registered Nurse

NPI 1003780990
Cindy Albain , MSW

Social Worker - Clinical

NPI 1003911041

Master of Social Work

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 14, 2026

Internal Medicine (License #5315055471 in MI)

NPI Profile Active November 26, 2012

NPI status registered as active in NPPES database

📍
Updated Practice Location November 26, 2012

Registered at 2215 FULLER RD, ANN ARBOR VA HOSPITAL, ANN ARBOR, MI 481052303 (Tel: 7347697100)

📍
Updated Business Mailing Address November 26, 2012

Registered at 2215 FULLER RD, ANN ARBOR VA HOSPITAL, ANN ARBOR, MI 481052303 (Tel: 7347697100)

👤
Provider Name / Credentials Updated November 26, 2012

Recorded as JOHNATHAN BARKHAM, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 26, 2012

Internal Medicine (License #5315055471 in MI)

🟢
Initial NPI Registration & Enumeration May 05, 2008

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: 1730355249
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 05, 2008
Last Update: April 14, 2026
Sole Proprietor: No

Mailing Address

2215 Fuller Rd, Ann Arbor Va Hospital

Ann Arbor, MI 481052303

Phone: 7347697100

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.