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MELISSA CHANG M.D.
NPI 1558704346
Anesthesiology in Long Beach, CA

Active since April 10, 2013PECOS EnrolledAccepts Medicare Assignment
5901 E 7TH ST, LONG BEACH, CA 90822(562) 826-8000 Get Directions Write a Review

NPPES record last updated: December 5, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Melissa Chang M.d. NPPES

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

MELISSA CHANG M.D. (NPI 1558704346) is an individual anesthesiology provider in Long Beach, California, licensed in California (A134043) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (2013).

NPPES Registry Identity

NPI1558704346
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameMELISSA CHANGCredential: M.D.
Location Address5901 E 7TH STLong Beach, CA 90822-5201
Mailing Address101 The City Dr SOrange, CA 92868-3201 · (888) 456-7002 · Fax (714) 456-7321
Phone(562) 826-8000
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2013
Enumeration DateApril 10, 2013
Last NPPES UpdateDecember 5, 2017
✔ NPI 1558704346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A134043
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.
5901 E 7TH ST, Long Beach, CA 90822
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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

Melissa 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 ID9830408665
PECOS Enrollment IDI20170726003347
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 Melissa Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of
13 mi
Anesthesiology
101 THE CITY DR SOUTH
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
NPI 1487602546 (714) 456-8068

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.

SOHRAB TANAVOLI D.O
Internal Medicine
5901 E 7TH ST
LONG BEACH, CA 90822
Los Angeles County (562) 826-8000
PARGOL KHORSANDI NAZARIAN PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
5901 E 7TH ST
LONG BEACH, CA 90822
Los Angeles County (562) 826-8000
DR. GREYSON NAKANO
Optometrist
5901 E 7TH ST
LONG BEACH, CA 90822
Los Angeles County (562) 826-8000
JOEL ANDRES MONTES
Social Worker
5901 E 7TH ST
LONG BEACH, CA 90822
Los Angeles County (562) 391-8311
LOREMEA BAUTISTA
Registered Nurse (Psychiatric/Mental Health)
5901 E 7TH ST
LONG BEACH, CA 90822
Los Angeles County (562) 826-8000
MR. JAMES LYNN WATSON
Social Worker (Clinical)
5901 E 7TH ST
LONG BEACH, CA 90822
Los Angeles County (562) 826-8000
MICHAELA SANGER
Speech-Language Pathologist
5901 E 7TH ST
LONG BEACH, CA 90822
Los Angeles County (562) 826-8000
LONG BEACH VAMC
General Acute Care Hospital
5901 E 7TH ST
LONG BEACH, CA 90822
Los Angeles County (702) 341-3152

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 Melissa Chang's NPI number?

The NPI number for Melissa Chang is 1558704346. It was assigned to this individual provider in the NPPES registry on April 10, 2013.

Where is Melissa Chang located?

Melissa Chang practices at 5901 E 7th St, Long Beach, CA 90822. The listed phone number is (562) 826-8000.

What is Melissa Chang's specialty?

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

Is Melissa Chang enrolled in Medicare?

Yes. Melissa 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 Melissa Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Chang reassigns Medicare benefits to Regents Of The University Of (Orange, 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 Melissa 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 Melissa Chang was last updated on December 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.