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GENE JANG M.D.
NPI 1689107823
Anesthesiology in Santa Ana, CA

Active since April 05, 2017PECOS EnrolledAccepts Medicare Assignment
400 N TUSTIN AVE STE 400, SANTA ANA, CA 92705(714) 619-5383(714) 619-5396 Get Directions Write a Review

NPPES record last updated: April 9, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 9, 2024, Jan 13, 2023, Aug 9, 2022 (3 updates tracked since 2022).

About Gene Jang M.d. NPPES

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

GENE JANG M.D. (NPI 1689107823) is an individual anesthesiology provider in Santa Ana, California, licensed in California (A159718) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1689107823
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameGENE JANGCredential: M.D.
Location Address400 N TUSTIN AVE STE 400Santa Ana, CA 92705-3850
Mailing Address400 N Tustin Ave Ste 400Santa Ana, CA 92705-3850 · (714) 619-5383 · Fax (714) 619-5396
Phone(714) 619-5383
Fax(714) 619-5396
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 5, 2017
Last NPPES UpdateApril 9, 20243 updates tracked since enumeration
NPPES CertifiedApril 9, 2024
✔ NPI 1689107823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A159718
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.
400 N TUSTIN AVE STE 400, Santa Ana, CA 92705
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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

Gene Jang 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 ID2466791991
PECOS Enrollment IDI20210720000810
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 Gene Jang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
19 mi
Clinical Medical Laboratory
13000 PEYTON DR
Chino Hills, CA 91709
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1396287082 (888) 750-0036
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 7

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

VEDAVATHY VALLURUPALLI MD
Anesthesiology
400 N TUSTIN AVE STE 400
SANTA ANA, CA 92705
Orange County (714) 619-5383
CRAIG SPENCER FLATH
Anesthesiology
400 N TUSTIN AVE STE 400
SANTA ANA, CA 92705
Orange County (714) 619-5383
JERIMARIE PASILIAO
Anesthesiology
400 N TUSTIN AVE STE 400
SANTA ANA, CA 92705
Orange County (714) 619-5383
YUCHEN LIU
Anesthesiology
400 N TUSTIN AVE STE 400
SANTA ANA, CA 92705
Orange County (146) 195-3837
CLIFTON LEE
Anesthesiology
400 N TUSTIN AVE STE 400
SANTA ANA, CA 92705
Orange County (714) 619-5391
STANLEY HOANG M.D.
Anesthesiology
400 N TUSTIN AVE STE 400
SANTA ANA, CA 92705
Orange County (714) 619-5383
ADRIAN JUN YEN NG
Anesthesiology
400 N TUSTIN AVE STE 400
SANTA ANA, CA 92705
Orange County (714) 619-5383

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 Gene Jang's NPI number?

The NPI number for Gene Jang is 1689107823. It was assigned to this individual provider in the NPPES registry on April 5, 2017.

Where is Gene Jang located?

Gene Jang practices at 400 N Tustin Ave Ste 400, Santa Ana, CA 92705. The listed phone number is (714) 619-5383.

What is Gene Jang's specialty?

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

Is Gene Jang enrolled in Medicare?

Yes. Gene Jang 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 Gene Jang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gene Jang reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Chino Hills, CA) and Allied Anesthesia Medical Group Inc (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 Gene Jang'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 Gene Jang was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.