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CHRISTOPHER K CHUNG M.D.
NPI 1750352944
Psychiatry & Neurology - Geriatric Psychiatry in Torrance, CA

Active since January 27, 2006Opted out of Medicare · through Oct 28, 2027
21840 NORMANDIE AVE, STE. 200, TORRANCE, CA 90502(310) 222-3101(310) 320-6973 Get Directions Write a Review

NPPES record last updated: September 4, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Christopher K Chung M.d. NPPES

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

CHRISTOPHER K CHUNG M.D. (NPI 1750352944) is an individual geriatric psychiatry provider in Torrance, California, licensed in California (A39527) and active in the NPI registry since January 2006. He has opted out of Medicare through October 28, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1750352944
Entity TypeIndividualMale
Primary Taxonomy2084P0805X
Provider Legal NameCHRISTOPHER K CHUNGCredential: M.D.
Location Address21840 NORMANDIE AVE, STE. 200Torrance, CA 90502-2047
Mailing Address21840 Normandie Ave, Ste. 200Torrance, CA 90502-2047 · (310) 222-3101 · Fax (310) 320-6973
Phone(310) 222-3101
Fax(310) 320-6973
Sole ProprietorNo
Enumeration DateJanuary 27, 2006
Last NPPES UpdateSeptember 4, 2009
✔ NPI 1750352944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Geriatric PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0805X
License✔ Licensed in CA · A39527
Definition
Geriatric Psychiatry is a subspecialty with psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.
21840 NORMANDIE AVE, Torrance, CA 90502
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Other Identifiers 9

OtherCH1382CA · Rail Road Medicare
Medicare PINWA39527CCA
OtherM050376CA · Group Ptan
OtherW14940CA · Group Ptan
OtherDA6447CA · Rail Road Medicare
Medicare UPIND28376CA
Medicare PINWA39527ECA
Medicaid00A395270CA
Medicare PINWA39527DCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Christopher K Chung M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 28, 2019 through October 28, 2027.

Opt-Out Effective DateOctober 28, 2019
Opt-Out In Effect ThroughOctober 28, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90502 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KATAYOUN K MOSTAFAIE M.D.
General Practice
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
ANDREW G GIANOUKAKIS M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5183
KATHY E SIETSEMA M.D.
Internal Medicine (Pulmonary Disease)
21840 NORMANDIE AVE
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
MARK T. MUNEKATA M.D.
General Practice
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
JOEL D. KOPPLE M.D.
Internal Medicine (Nephrology)
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
NEDILJKA BULJUBASIC M.D.
Internal Medicine (Cardiovascular Disease)
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
CATHERINE S MAO M.D.
Pediatrics (Pediatric Endocrinology)
21840 NORMANDIE AVE, STE. 1100
TORRANCE, CA 90502
Los Angeles County (310) 222-5133
RONALD SWERDLOFF M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101

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 Christopher Chung's NPI number?

The NPI number for Christopher Chung is 1750352944. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Where is Christopher Chung located?

Christopher Chung practices at 21840 Normandie Ave Ste. 200, Torrance, CA 90502. The listed phone number is (310) 222-3101.

What is Christopher Chung's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Geriatric Psychiatry, with taxonomy code 2084P0805X.

Is Christopher Chung enrolled in Medicare?

No. Christopher Chung has opted out of Medicare through October 28, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Christopher Chung was last updated on September 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.