Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHRISTINE CHANG M.D.
NPI 1669632451
Psychiatry & Neurology - Psychiatry in Mendota, CA

Active since June 15, 2008PECOS Enrolled
121 BELMONT AVE, MENDOTA, CA 93640(855) 343-1057 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Mar 4, 2025, Jul 21, 2023 and 4 more (7 updates tracked since 2016).

About Christine Chang M.d. NPPES

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

CHRISTINE CHANG M.D. (NPI 1669632451) is an individual psychiatry provider in Mendota, California, licensed in California (A117416) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and maintains 12 additional practice locations.

NPPES Registry Identity

NPI1669632451
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameCHRISTINE CHANGCredential: M.D.
Location Address121 BELMONT AVEMendota, CA 93640-8232
Mailing Address352 W 115th St Apt 2wNew York, NY 10026-2647 · (415) 987-6410
Sole ProprietorNo
Enumeration DateJune 15, 2008
Last NPPES UpdateSeptember 29, 20267 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1669632451 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CA · A117416✔ Licensed in NY · AM9707805
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
121 BELMONT AVE, Mendota, CA 93640

Secondary Practice Locations 12

Location 11311 11th StReedley, CA 93654-2926 · Phone (855) 343-1057 · Fax (844) 587-6408
Location 2225 Academy AveSanger, CA 93657-2128 · Phone (855) 343-1057 · Fax (844) 587-6403
Location 3380 Coalinga PlzCoalinga, CA 93210-1704 · Phone (855) 343-1057 · Fax (844) 563-6078
Location 43400 McCall Ave Ste 104Selma, CA 93662-2560 · Phone (855) 343-1057 · Fax (844) 566-2683
Location 5275 S Madera AveKerman, CA 93630-1403 · Phone (855) 343-1057 · Fax (844) 566-1387
Location 640 E Minarets AvePinedale, CA 93650-1239 · Phone (855) 343-1057 · Fax (844) 587-6405
Location 73636 N 1st St Ste 112Fresno, CA 93726-6818 · Phone (559) 476-2166
Location 82495 W March LnStockton, CA 95207-8251 · Phone (209) 465-1080
Location 9302 Cherry LnManteca, CA 95337-4311 · Phone (209) 242-9950
Location 103400 W Mineral King Ave Ste AVisalia, CA 93291-5605 · Phone (559) 221-1181
Location 11352 W 115th St Apt 2WNew York, NY 10026-2647 · Phone (415) 987-6410
Location 1236618 Lassen Ave, Ste AHuron, CA 93234-9327 · Phone (855) 343-1057

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christine Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

6

Medicare enrollment records show Christine Chang reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community/Behavioral Health
275 S MADERA AVE, SUITE 302, 403 & 404
Kerman, CA 93630
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group
Public Health, State or Local
1221 FULTON MALL, PUBLIC HEALTH CLINICS, 1ST FLOOR
Fresno, CA 93721
  • Reassigned Medicare billing, California enrollment
  • 99 clinicians in this Medicare group
Community/Behavioral Health
2101 GEER RD STE 120
Turlock, CA 95382
  • Reassigned Medicare billing, California enrollment
  • 24 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
220 W 11TH ST
Tracy, CA 95376
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of San Joaquin
  • 195 clinicians in this Medicare group
Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
Psychiatry
184 KENT AVE APT B414
Brooklyn, NY 11249
  • Reassigned Medicare billing, New York enrollment
  • 2 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93640 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
$176.60 typical visit price
range $58.87 – $176.60
Typical copayment $44.15 (range $14.71 – $44.15)
Most-billed visit code 99205
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
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 4

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

Social Worker (Clinical)
121 BELMONT AVE
MENDOTA, CA 93640
Social Worker (Clinical)
121 BELMONT AVE
MENDOTA, CA 93640
Marriage & Family Therapist
121 BELMONT AVE
MENDOTA, CA 93640
Social Worker (Clinical)
121 BELMONT AVE
MENDOTA, CA 93640

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 Christine Chang's NPI number?

The NPI number for Christine Chang is 1669632451. It was assigned to this individual provider in the NPPES registry on June 15, 2008.

Where is Christine Chang located?

Christine Chang practices at 121 Belmont Ave, Mendota, CA 93640. The listed phone number is (855) 343-1057.

What is Christine Chang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Christine Chang enrolled in Medicare?

Yes. Christine Chang is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Christine Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Chang reassigns Medicare benefits to 6 organizations: Turning Point Of Central California, Inc. (Kerman, CA), County Of Fresno (Fresno, CA), County Of Stanislaus (Turlock, CA), San Joaquin County Behavioral Health Services (Tracy, CA), City Of Hope Medical Foundation (Duarte, CA) and 1 more organization, listed in the Medicare section above. 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 Christine 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 Christine Chang was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.