CHRISTOPHER LOONG MA D.C.
NPI 1205717675
Chiropractor in Castro Valley, CA

Active since September 10, 2025
21669 REDWOOD RD, CASTRO VALLEY, CA 94546(510) 582-7418 Get Directions Write a Review

NPPES record last updated: January 23, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 23, 2026, Sep 10, 2025 (2 updates tracked since 2025).

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About Christopher Loong Ma D.c. NPPES

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

CHRISTOPHER LOONG MA D.C. (NPI 1205717675) is a chiropractor provider in Castro Valley, California, licensed in California (DC37429) and active in the NPI registry since September 2025. He is a graduate of Life Chiropractic College - West (2025).Information from the official NPPES registry record, last updated January 23, 2026.

NPPES Registry Identity

NPI1205717675
Entity TypeIndividualMale
Provider Legal NameCHRISTOPHER LOONG MACredential: D.C.
Location Address21669 REDWOOD RDCastro Valley, CA 94546-6431
Mailing Address5239 Peacock Hill DrCastro Valley, CA 94552-5530 · (415) 218-0653
Sole ProprietorNo
Medical School CMSLife Chiropractic College - WestGraduated 2025
Enumeration DateSeptember 10, 2025
Last NPPES UpdateJanuary 23, 2026
NPPES CertifiedJanuary 23, 2026
NPI 1205717675 is a valid, active identifier and passes the ISO check-digit test. How NPI validation works

Primary Specialty

Chiropractor

Taxonomy 111N00000X · Chiropractic Providers

Licensed in CA · DC37429

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with… Show more

21669 REDWOOD RD, Castro Valley, CA 94546
Last updated in NPPES on January 23, 2026 · 2 updates tracked since enumeration.

Medicare Participation & PECOS Enrollment Status

Christopher Ma is registered with Medicare but may not accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • PECOS PAC ID: 6709362205

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20260114003927

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

Reviews for CHRISTOPHER LOONG MA D.C.

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Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Chiropractor
21669 REDWOOD RD
CASTRO VALLEY, CA 94546
Chiropractor
21669 REDWOOD RD
CASTRO VALLEY, CA 94546
Massage Therapist
21669 REDWOOD RD
CASTRO VALLEY, CA 94546
Chiropractor
21669 REDWOOD RD
CASTRO VALLEY, CA 94546
Chiropractor
21669 REDWOOD RD
CASTRO VALLEY, CA 94546

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205717675, enumerated as an "individual" on September 10, 2025.

The provider is located at 21669 REDWOOD RD CASTRO VALLEY, CA 94546 and the phone number is (510) 582-7418.

Chiropractor with taxonomy code 111N00000X.