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DR. MICHAEL WINKELMANN MD
NPI 1871657197
Emergency Medicine in Atlanta, GA

Active since December 21, 2006PECOS Enrolled
356 ARDMORE CT NW, ATLANTA, GA 30309(206) 779-4193 Get Directions Write a Review

NPPES record last updated: September 12, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Michael Winkelmann Md NPPES

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

DR. MICHAEL WINKELMANN MD (NPI 1871657197) is an individual emergency medicine provider in Atlanta, Georgia, licensed in Georgia (046658) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871657197
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MICHAEL WINKELMANNCredential: MD
Location Address356 ARDMORE CT NWAtlanta, GA 30309-1831
Mailing Address356 Ardmore Ct NwAtlanta, GA 30309-1831 · (206) 779-4193
Phone(206) 779-4193
Sole ProprietorNo
Enumeration DateDecember 21, 2006
Last NPPES UpdateSeptember 12, 2012
✔ NPI 1871657197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in GA · 046658✔ Licensed in WA · MD00028503
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
356 ARDMORE CT NW, Atlanta, GA 30309
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael Winkelmann 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Michael Winkelmann reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Santa Clara
2,096 mi
Federally Qualified Health Center (FQHC)
7475 CAMINO ARROYO
Gilroy, CA 95020
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
NPI 1922093533 (408) 885-5000
Emergency Physicians Associates San Jose PC
2,115 mi
Emergency Medicine
2105 FOREST AVE
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 197 clinicians in this Medicare group
NPI 1306311576 (408) 947-2500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30309 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
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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.

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 Michael Winkelmann's NPI number?

The NPI number for Michael Winkelmann is 1871657197. It was assigned to this individual provider in the NPPES registry on December 21, 2006.

Where is Michael Winkelmann located?

Michael Winkelmann practices at 356 Ardmore Ct NW, Atlanta, GA 30309. The listed phone number is (206) 779-4193.

What is Michael Winkelmann's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Michael Winkelmann enrolled in Medicare?

Yes. Michael Winkelmann is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Winkelmann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Winkelmann reassigns Medicare benefits to 2 organizations: County Of Santa Clara (Gilroy, CA) and Emergency Physicians Associates San Jose PC (San Jose, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Winkelmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Winkelmann accept?

Health plans from Oscar Health and Oscar Insurance Company list Michael Winkelmann 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 Michael Winkelmann was last updated on September 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.