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JAMES E. WARREN MD
NPI 1124015052
Anesthesiology in Marietta, GA

Active since October 05, 2005PECOS Enrolled
780 CANTON ROAD, SUITE 100, MARIETTA, GA 30060(678) 574-0943(678) 574-0943 Get Directions Write a Review

NPPES record last updated: November 18, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James E. Warren Md NPPES

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

JAMES E. WARREN MD (NPI 1124015052) is an individual anesthesiology provider in Marietta, Georgia, licensed in Georgia (19805) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124015052
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJAMES E. WARRENCredential: MD
Location Address780 CANTON ROAD, SUITE 100Marietta, GA 30060-7259
Mailing Address3155 N Point Pkwy, Attn: Credentialing Dept, Building F, Suite 100Alpharetta, GA 30005 · (770) 645-9181 · Fax (770) 645-8455
Phone(678) 574-0943
Fax(678) 574-0943
Sole ProprietorNo
Enumeration DateOctober 5, 2005
Last NPPES UpdateNovember 18, 2007
✔ NPI 1124015052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in GA · 19805
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
780 CANTON ROAD, Marietta, GA 30060
Open in Google Maps ↗

Other Identifiers 2

Medicare UPIND42364GA
Medicare PIN05BDJDBGA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James E. Warren 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 Reassignment

Medicare enrollment records show James Warren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emory Specialty Associates, LLC
70 mi
Anesthesiology
303 SMITH ST
Lagrange, GA 30240
  • Reassigned Medicare billing, Georgia enrollment
  • 1,506 clinicians in this Medicare group
NPI 1407864168 (404) 778-4888

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

Other Providers at the Same Location NPPES 6

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

AMBULATORY ANESTHESIA OF ATLANTA, P C
Anesthesiology
780 CANTON ROAD, SUITE 100
MARIETTA, GA 30060
Cobb County (678) 574-0943
SHEILA F. SUMPTER CRNA
Nurse Anesthetist, Certified Registered
780 CANTON ROAD, SUITE 100
MARIETTA, GA 30060
Cobb County (678) 574-0943
MARAT L REYZELMAN M.D.
Psychiatry & Neurology (Neurology)
780 CANTON ROAD, STE 400
MARIETTA, GA 30060
Cobb County (770) 422-3602
SHERRI M. RUTLEDGE CRNA
Nurse Anesthetist, Certified Registered
780 CANTON ROAD, SUITE 100
MARIETTA, GA 30060
Cobb County (678) 574-0943
MS. VALENTINA KETLIE CASIMIR CRNA
Nurse Anesthetist, Certified Registered
780 CANTON ROAD, SUITE 100
MARIETTA, GA 30060
Cobb County (678) 574-0943
STEVEN M GOLDBERG PAAA
Anesthesiologist Assistant
780 CANTON ROAD, SUITE 100
MARIETTA, GA 30060
Cobb County (678) 574-0943

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 James Warren's NPI number?

The NPI number for James Warren is 1124015052. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Where is James Warren located?

James Warren practices at 780 Canton Road Suite 100, Marietta, GA 30060. The listed phone number is (678) 574-0943.

What is James Warren's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is James Warren enrolled in Medicare?

Yes. James Warren is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for James Warren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Warren reassigns Medicare benefits to Emory Specialty Associates, LLC (Lagrange, GA). The 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 James Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Warren was last updated on November 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.