DR. KAREN HONG DO
NPI 1437484193
Obstetrics & Gynecology in Yuba City, CA
About Dr. Karen Hong Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN HONG DO (NPI 1437484193) is an individual obstetrics & gynecology provider in Yuba City, California, licensed in California (20A10922) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
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. Karen Hong Do 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.
Medicare Billing Reassignments
4Medicare enrollment records show Karen Hong reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Palmdale, CA 93551
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
San Bernardino, CA 92410
- Reassigned Medicare billing, California enrollment
- 455 clinicians in this Medicare group
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 95991 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
YUBA CITY, CA 95991
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 Karen Hong's NPI number?
The NPI number for Karen Hong is 1437484193. It was assigned to this individual provider in the NPPES registry on October 13, 2009.
Where is Karen Hong located?
Karen Hong practices at 969 Plumas St Ste 116, Yuba City, CA 95991. The listed phone number is (530) 749-3585.
What is Karen Hong's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Karen Hong enrolled in Medicare?
Yes. Karen Hong 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 Karen Hong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Hong reassigns Medicare benefits to 4 organizations: Southern California Permanente Medical Group (Lancaster, CA), Faculty Physicians And Surgeons Of Llusm (Palmdale, CA), Sac Health System (San Bernardino, CA) and Obhg California, P.C. (Greenville, SC). 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 Karen Hong'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 Karen Hong was last updated on March 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Karen Hong, DO · NPI 1437484193
Obstetrics & Gynecology physician in Yuba City, California. Individual provider, active in the CMS NPPES registry since October 13, 2009.
## Identity
- **NPI:** 1437484193 (Entity type: Individual)
- **Enumerated:** October 13, 2009
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 20A10922 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 969 PLUMAS ST, STE 116, Yuba City, CA 95991-4011
- **Phone:** (530) 749-3585 · **Fax:** (530) 749-3607
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1982863783, Lancaster, CA); Faculty Physicians And Surgeons Of Llusm (NPI 1679754634, Palmdale, CA); Sac Health System (NPI 1801270137, San Bernardino, CA); Obhg California, P.C. (NPI 1215258892, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** March 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1437484193) · Data from the CMS NPPES public registry.