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MARC L. WELLER M.D.
NPI 1194769059
Anesthesiology in Pomona, CA

Active since June 15, 2006PECOS EnrolledAccepts Medicare Assignment
1798 N GAREY AVE, POMONA, CA 91767(909) 865-9140 Get Directions Write a Review

NPPES record last updated: May 19, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Marc L. Weller M.d. NPPES

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

MARC L. WELLER M.D. (NPI 1194769059) is an individual anesthesiology provider in Pomona, California, licensed in California (G45304) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1980).

NPPES Registry Identity

NPI1194769059
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMARC L. WELLERCredential: M.D.
Location Address1798 N GAREY AVEPomona, CA 91767-2918
Mailing AddressPo Box 148Claremont, CA 91711-0148 · (909) 985-2112 · Fax (909) 985-3411
Phone(909) 865-9140
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 1980
Enumeration DateJune 15, 2006
Last NPPES UpdateMay 19, 2016
✔ NPI 1194769059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · G45304
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.
1798 N GAREY AVE, Pomona, CA 91767
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Other Identifiers 3

Medicare ID-Type Unspecified00G453041CA
Medicare UPINE08442
Medicaid00G453040CA

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

Marc L. Weller M.d. 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.

PECOS PAC ID7618974775
PECOS Enrollment IDI20090708000218
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 Marc Weller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allied Anesthesia Medical Group Inc
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
No phone listed

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 20

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

MARIA CONSUELO CASTELAN RD
Dietitian, Registered
1798 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 528-5046
HSIENHWA CHOU RD
Dietitian, Registered
1798 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 860-7799
MR. CYRUS QUEROL P.A.
Physician Assistant
1798 N GAREY AVE
POMONA, CA 91767
Los Angeles County (510) 350-2698
VESTA NICOLE GUIV PHARMD
Pharmacist
1798 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 865-9500
JENJIRA SORRECA DO RD
Dietitian, Registered
1798 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 865-9501
VICTORIA SUSAN CHIDBOY RN
Registered Nurse (Critical Care Medicine)
1798 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 865-9500
MARTI JO KUNISHIMA PT
Physical Therapist
1798 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 865-9810
RACHEL ANN CHATER LEA
Physician Assistant
1798 N GAREY AVE
POMONA, CA 91767
Los Angeles County (949) 973-3290

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 Marc Weller's NPI number?

The NPI number for Marc Weller is 1194769059. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Where is Marc Weller located?

Marc Weller practices at 1798 N Garey Ave, Pomona, CA 91767. The listed phone number is (909) 865-9140.

What is Marc Weller's specialty?

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

Is Marc Weller enrolled in Medicare?

Yes. Marc Weller 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 organization bills Medicare for Marc Weller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Weller reassigns Medicare benefits to Allied Anesthesia Medical Group Inc (CA). 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 Marc Weller'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 Marc Weller was last updated on May 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.