DR. DEBORAH A. CHONG M.D.
NPI 1902880297
Obstetrics & Gynecology in Grass Valley, CA

Active since December 01, 2005PECOS EnrolledAccepts Medicare Assignment
280 SIERRA COLLEGE DR STE 115, GRASS VALLEY, CA 95945(530) 477-3119(530) 274-2077 Get Directions Write a Review

NPPES record last updated: October 19, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Deborah A. Chong M.d. NPPES

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

DR. DEBORAH A. CHONG M.D. (NPI 1902880297) is an individual obstetrics & gynecology provider in Grass Valley, California, licensed in California (A84318) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (1999).

NPPES Registry Identity

NPI1902880297
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. DEBORAH A. CHONGCredential: M.D.
Location Address280 SIERRA COLLEGE DR STE 115Grass Valley, CA 95945-5763
Mailing Address3400 Data Dr, Attn Credentialing/payer EnrollmetnRancho Cordova, CA 95670-7956
Fax(530) 274-2077
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 1999
Enumeration DateDecember 1, 2005
Last NPPES UpdateOctober 19, 2020
NPPES CertifiedOctober 19, 2020
✔ NPI 1902880297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A84318
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
280 SIERRA COLLEGE DR STE 115, Grass Valley, CA 95945

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. Deborah A. Chong 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 ID9739087495
PECOS Enrollment IDI20031219000612
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

7

Medicare enrollment records show Deborah Chong reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Interventional Cardiology
1004 FOWLER WAY, SUITE 4
Placerville, CA 95667
  • Reassigned Medicare billing, California enrollment
  • 152 clinicians in this Medicare group
Obstetrics & Gynecology
1665 ESPLANADE
Chico, CA 95926
  • Reassigned Medicare billing, California enrollment
  • 48 clinicians in this Medicare group
General Acute Care Hospital
1000 NUT TREE RD
Vacaville, CA 95687
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Northbay Physicians Surgery Center, LLC
  • 516 clinicians in this Medicare group
Obstetrics & Gynecology
999 S FAIRMONT AVE, STE 230
Lodi, CA 95240
  • Reassigned Medicare billing, California enrollment
  • 19 clinicians in this Medicare group
Obstetrics & Gynecology
1800 N CALIFORNIA ST
Stockton, CA 95204
  • Reassigned Medicare billing, California enrollment
  • 83 clinicians in this Medicare group
Adult Mental Health
2311 LOVERIDGE RD, 1ST AND 2ND FLOORS
Pittsburg, CA 94565
  • Reassigned Medicare billing, California enrollment
  • 530 clinicians in this Medicare group
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 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 95945 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
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 6

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

Obstetrics & Gynecology
280 SIERRA COLLEGE DR STE 115
GRASS VALLEY, CA 95945
Nurse Practitioner (Family)
280 SIERRA COLLEGE DR STE 115
GRASS VALLEY, CA 95945
Obstetrics & Gynecology
280 SIERRA COLLEGE DR STE 115
GRASS VALLEY, CA 95945
Obstetrics & Gynecology
280 SIERRA COLLEGE DR STE 115
GRASS VALLEY, CA 95945
Advanced Practice Midwife
280 SIERRA COLLEGE DR STE 115
GRASS VALLEY, CA 95945
Obstetrics & Gynecology
280 SIERRA COLLEGE DR STE 115
GRASS VALLEY, CA 95945

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 Deborah Chong's NPI number?

The NPI number for Deborah Chong is 1902880297. It was assigned to this individual provider in the NPPES registry on December 1, 2005.

Where is Deborah Chong located?

Deborah Chong practices at 280 Sierra College Dr Ste 115, Grass Valley, CA 95945. The listed phone number is (530) 477-3119.

What is Deborah Chong's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Deborah Chong enrolled in Medicare?

Yes. Deborah Chong 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 organizations bill Medicare for Deborah Chong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Chong reassigns Medicare benefits to 7 organizations: Marshall Medical Center (Placerville, CA), Enloe Medical Center (Chico, CA), Northbay Healthcare Group (Vacaville, CA), P. Gill Obstetrics & Gynecology Medical Group, Inc. (Lodi, CA), Dhp Of California Medical Group Inc (Stockton, CA) and 2 more organizations, 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 Deborah Chong'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 Deborah Chong was last updated on October 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.