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CATHERINE B CHUNG MD
NPI 1205820586
Anesthesiology in Santa Ana, CA

Active since September 01, 2005PECOS EnrolledAccepts Medicare Assignment
1001 N TUSTIN AVE, SANTA ANA, CA 92705(714) 953-3515(714) 953-4259 Get Directions Write a Review

NPPES record last updated: May 25, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Catherine B Chung Md NPPES

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

CATHERINE B CHUNG MD (NPI 1205820586) is an individual anesthesiology provider in Santa Ana, California, licensed in California (G77777) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1992).

NPPES Registry Identity

NPI1205820586
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameCATHERINE B CHUNGCredential: MD
Location Address1001 N TUSTIN AVESanta Ana, CA 92705-3502
Mailing Address210 N Tustin AveSanta Ana, CA 92705-3807 · (714) 347-1010 · Fax (714) 647-1245
Phone(714) 953-3515
Fax(714) 953-4259
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1992
Enumeration DateSeptember 1, 2005
Last NPPES UpdateMay 25, 2016
✔ NPI 1205820586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · G77777
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.
1001 N TUSTIN AVE, Santa Ana, CA 92705
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Other Identifiers 2

Medicare UPING23529CA
Medicare PINFD266ZCA

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

Catherine B Chung 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.

PECOS PAC ID4486636123
PECOS Enrollment IDI20040604000936
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

4

Medicare enrollment records show Catherine Chung reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesia Associates Of Southern California PC
Same address
Anesthesiology
1001 N TUSTIN AVE
Santa Ana, CA 92705
  • Reassigned Medicare billing, California enrollment
  • 31 clinicians in this Medicare group
NPI 1437013836 (914) 491-9495
Orange Coast Anesthesia Inc
2.4 mi
Anesthesiology
2601 E CHAPMAN AVE
Orange, CA 92869
  • Reassigned Medicare billing, California enrollment
  • 168 clinicians in this Medicare group
NPI 1508138256 (714) 633-0011
Landmark Anesthesia Medical Group
24 mi
Anesthesiology
3630 E IMPERIAL HWY
Lynwood, CA 90262
  • Reassigned Medicare billing, California enrollment
  • 83 clinicians in this Medicare group
NPI 1770035024 (714) 503-0195
Palm Springs Anesthesia Services, PC
41 mi
Anesthesiology
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 270 clinicians in this Medicare group
NPI 1083928501 (914) 491-9495

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.

DR. MAURICE YU M.D.
Radiology (Diagnostic Radiology)
1001 N TUSTIN AVE, RADIOLOGY DEPT
SANTA ANA, CA 92705
Orange County (949) 583-9264
JI-GUANG JIN MD
Anesthesiology
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3500
DR. YAE K SUH MD
Pathology (Anatomic Pathology & Clinical Pathology)
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3381
TSUNG LING TSOU M.D.
Anesthesiology
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3500
WESTERN PATHOLOGY MEDICAL ASSOC INC
Pathology (Anatomic Pathology & Clinical Pathology)
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3381
DR. ANDREA DUNKELMAN M.D.
Surgery (Plastic and Reconstructive Surgery)
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (310) 678-2429
TAN K LE M.D.
Anesthesiology
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3515
AMY MARIE GUREVITZ PA-C
Physician Assistant
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3500

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 Catherine Chung's NPI number?

The NPI number for Catherine Chung is 1205820586. It was assigned to this individual provider in the NPPES registry on September 1, 2005.

Where is Catherine Chung located?

Catherine Chung practices at 1001 N Tustin Ave, Santa Ana, CA 92705. The listed phone number is (714) 953-3515.

What is Catherine Chung's specialty?

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

Is Catherine Chung enrolled in Medicare?

Yes. Catherine Chung 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 Catherine Chung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Chung reassigns Medicare benefits to 4 organizations: Anesthesia Associates Of Southern California PC (Santa Ana, CA), Orange Coast Anesthesia Inc (Orange, CA), Landmark Anesthesia Medical Group (Lynwood, CA) and Palm Springs Anesthesia Services, PC (San Bernardino, 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 Catherine Chung'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 Catherine Chung was last updated on May 25, 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.