RONALD J KOENIG MD
NPI 1982787818
Internal Medicine - Endocrinology, Diabetes & Metabolism in Ann Arbor, MI

Active since October 23, 2006PECOS Enrolled
1500 EAST MEDICAL CENTER DR, 1ST FLOOR CANCER & GERIATRICS CENTER, ANN ARBOR, MI 48109(734) 763-4876 Get Directions Write a Review

NPPES record last updated: October 24, 2019. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Ronald J Koenig Md NPPES

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

RONALD J KOENIG MD (NPI 1982787818) is an individual endocrinology, diabetes & metabolism provider in Ann Arbor, Michigan, licensed in Michigan (4301052578) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982787818
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameRONALD J KOENIGCredential: MD
Location Address1500 EAST MEDICAL CENTER DR, 1ST FLOOR CANCER & GERIATRICS CENTERAnn Arbor, MI 48109-5354
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Sole ProprietorNo
Enumeration DateOctober 23, 2006
Last NPPES UpdateOctober 24, 2019
NPI 1982787818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in MI · 4301052578
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301052578 (MI)
1500 EAST MEDICAL CENTER DR, Ann Arbor, MI 48109

Other Identifiers 1

Medicaid1897580MI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ronald J Koenig Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CTR RECP B
ANN ARBOR, MI 48109
Anesthesiology
1500 EAST MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL
ANN ARBOR, MI 48109
Physician Assistant
1500 EAST MEDICAL CENTER DR, 2ND FLOOR TAUBMAN CENTER RECP F
ANN ARBOR, MI 48109
Nurse Practitioner
1500 EAST MEDICAL CENTER DR, 3RD FLOOR C.S. MOTT CHILDREN'S HOSPITAL RECP C
ANN ARBOR, MI 48109
Nurse Practitioner (Critical Care Medicine)
1500 EAST MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDRENS HOSPITAL RM 525
ANN ARBOR, MI 48109
Nurse Anesthetist, Certified Registered
1500 EAST MEDICAL CENTER DR
ANN ARBOR, MI 48109
Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN RECP B
ANN ARBOR, MI 48109
Pediatrics (Pediatric Hematology-Oncology)
1500 EAST MEDICAL CENTER DR, 7TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL
ANN ARBOR, MI 48109

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 Ronald Koenig's NPI number?

The NPI number for Ronald Koenig is 1982787818. It was assigned to this individual provider in the NPPES registry on October 23, 2006.

Where is Ronald Koenig located?

Ronald Koenig practices at 1500 East Medical Center Dr 1st Floor Cancer & Geriatrics Center, Ann Arbor, MI 48109. The listed phone number is (734) 763-4876.

What is Ronald Koenig's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Ronald Koenig enrolled in Medicare?

Yes. Ronald Koenig is registered in the Medicare PECOS enrollment system.

What insurance does Ronald Koenig accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and McLaren Health Plan Community list Ronald Koenig 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 Ronald Koenig was last updated on October 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.