OTTO STEPHAN SCHWARZ MD
NPI 1891712626
Internal Medicine - Critical Care Medicine in Lawrenceville, GA
About Otto Stephan Schwarz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OTTO STEPHAN SCHWARZ MD (NPI 1891712626) is an individual critical care medicine provider in Lawrenceville, Georgia, licensed in Georgia (064264) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Northside Hospital, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Otto Stephan Schwarz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Otto Schwarz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lawrenceville, GA 30046
- Reassigned Medicare billing, Georgia enrollment
- 275 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 466 clinicians in this Medicare group
Newnan, GA 30265
- Reassigned Medicare billing, Georgia enrollment
- 448 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northside Hospital
Acute Care Hospitals · Atlanta, GASoutheastern Regional Medical Center, Inc
Acute Care Hospitals · Newnan, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30046 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LAWRENCEVILLE, GA 30046
LAWRENCEVILLE, GA 30046
LAWRENCEVILLE, GA 30046
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 Otto Schwarz's NPI number?
The NPI number for Otto Schwarz is 1891712626. It was assigned to this individual provider in the NPPES registry on July 16, 2006. The provider is also known as Dr. Otto Stephan Schwarz Vignolo MD.
Where is Otto Schwarz located?
Otto Schwarz practices at 1000 Medical Center Blvd, Lawrenceville, GA 30046. The listed phone number is (678) 312-2418.
What is Otto Schwarz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Otto Schwarz enrolled in Medicare?
Yes. Otto Schwarz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Otto Schwarz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Otto Schwarz reassigns Medicare benefits to 3 organizations: Gwinnett Physician Group, LLC (Lawrenceville, GA), Northside Primary Care Professional Services,llc (Atlanta, GA) and City Of Hope Medical Group Of Georgia LLC (Newnan, GA). 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 Otto Schwarz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Otto Schwarz accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Otto Schwarz 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.
Is Otto Schwarz affiliated with any hospitals?
According to CMS data, Otto Schwarz is affiliated with Northside Hospital and Southeastern Regional Medical Center, Inc.
When was this NPI record last updated?
The NPPES record for Otto Schwarz was last updated on May 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.