DR. KATHERINE ANNE HOM M. D.
NPI 1063874089
Obstetrics & Gynecology in Irvine, CA
About Dr. Katherine Anne Hom M. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE ANNE HOM M. D. (NPI 1063874089) is an individual obstetrics & gynecology provider in Irvine, California, licensed in California (A168356) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 2
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. Katherine Anne Hom 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.
Medicare Billing Reassignments
5Medicare enrollment records show Katherine Hom reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 26 clinicians in this Medicare group
San Diego, CA 92109
- Reassigned Medicare billing, California enrollment
- 1,100 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 92617 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Katherine Hom's NPI number?
The NPI number for Katherine Hom is 1063874089. It was assigned to this individual provider in the NPPES registry on March 28, 2016.
Where is Katherine Hom located?
Katherine Hom practices at 856 Health Sciences Rd Ste 2600, Irvine, CA 92617. The listed phone number is (949) 824-7000.
What is Katherine Hom's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Katherine Hom enrolled in Medicare?
Yes. Katherine Hom 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 Katherine Hom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Hom reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (Orange, CA), Uc Regents (Orange, CA), Apex Healthcare Medical Center Inc (Hemet, CA), Family Health Centers Of San Diego, Inc (San Diego, 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 Katherine Hom'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 Katherine Hom was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Dr. Katherine Anne Hom, M. D. · NPI 1063874089
Obstetrics & Gynecology physician in Irvine, California. Individual provider, active in the CMS NPPES registry since March 28, 2016.
## Identity
- **NPI:** 1063874089 (Entity type: Individual)
- **Enumerated:** March 28, 2016
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A168356 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 856 HEALTH SCIENCES RD STE 2600, Irvine, CA 92617-3058
- **Phone:** (949) 824-7000 · **Fax:** (949) 824-2247
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1356304034, Orange, CA); Uc Regents (NPI 1003864174, Orange, CA); Apex Healthcare Medical Center Inc (NPI 1447455423, Hemet, CA); Family Health Centers Of San Diego, Inc (NPI 1386689701, San Diego, CA); Obhg California, P.C. (NPI 1215258892, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2016
## Record status
- **NPPES last updated:** October 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1063874089) · Data from the CMS NPPES public registry.