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DR. STANLEY LIWEI CHANG M.D.
NPI 1619061728
Anesthesiology in Torrance, CA

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment
3330 LOMITA BLVD., TORRANCE, CA 90505(310) 325-9110(310) 784-8777 Get Directions Write a Review

NPPES record last updated: February 10, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Stanley Liwei Chang M.d. NPPES

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

DR. STANLEY LIWEI CHANG M.D. (NPI 1619061728) is an individual anesthesiology provider in Torrance, California, licensed in California (G74738) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1991).

NPPES Registry Identity

NPI1619061728
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. STANLEY LIWEI CHANGCredential: M.D.
Location Address3330 LOMITA BLVD.Torrance, CA 90505-5002
Mailing Address225 S. Lake Ave., 535Pasadena, CA 91101-3010 · (626) 795-6596 · Fax (626) 396-0851
Phone(310) 325-9110
Fax(310) 784-8777
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1991
Enumeration DateOctober 3, 2006
Last NPPES UpdateFebruary 10, 2014
✔ NPI 1619061728 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · G74738
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.
3330 LOMITA BLVD., Torrance, CA 90505
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Other Identifiers 1

Medicare UPING05771

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

Dr. Stanley Liwei Chang 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 ID8224019336
PECOS Enrollment IDI20040525001653
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 Stanley Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Torrance Anesthesia Medical Group Inc.
Same address
Anesthesiology
3330 LOMITA BLVD
Torrance, CA 90505
  • Reassigned Medicare billing, California enrollment
  • 78 clinicians in this Medicare group
NPI 1902824642 (310) 325-9110

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 5

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
30 services30 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
18 services16 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
13 services12 patients
Anesthesia for bone marrow aspiration and/or biopsy at pelvic bone 01112
Anesthesia for a bone marrow aspiration or biopsy at the pelvic bone is a service where medication is administered to numb the area. This helps to block pain during the procedure. It's typically done by injecting the anesthetic into the skin and tissue around the pelvic bone.
13 services13 patients
Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance 64488
This procedure involves injecting a local anesthetic into the abdominal wall to manage pain. It's carried out on both sides of the abdomen using imaging guidance for precision. This helps numb the area, providing relief from discomfort.
13 services13 patients

Other Providers at the Same Location NPPES 3

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

MS. DEBRA ILENE NESSEL RD, CDE
Dietitian, Registered
3330 LOMITA BLVD.
TORRANCE, CA 90505
Los Angeles County (310) 784-6807
GRETCHEN S LENT MD
Emergency Medicine
3330 LOMITA BLVD., TORRANCE MEMORIAL MEDICAL CENTER, EMERGENCY DEPT.
TORRANCE, CA 90505
Los Angeles County (310) 325-9110
MARINA LITWINSKI AGACNP-BC
Nurse Practitioner (Acute Care)
3330 LOMITA BLVD.
TORRANCE, CA 90505
Los Angeles County (310) 784-6808

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 Stanley Chang's NPI number?

The NPI number for Stanley Chang is 1619061728. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Stanley Chang located?

Stanley Chang practices at 3330 Lomita Blvd., Torrance, CA 90505. The listed phone number is (310) 325-9110.

What is Stanley Chang's specialty?

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

Is Stanley Chang enrolled in Medicare?

Yes. Stanley Chang 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 Stanley Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stanley Chang reassigns Medicare benefits to Torrance Anesthesia Medical Group Inc. (Torrance, 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 Stanley Chang'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 Stanley Chang was last updated on February 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.