CATHY IVORY CHENG M.D.
NPI 1427347673
Psychiatry & Neurology - Sleep Medicine in Anaheim, CA
About Cathy Ivory Cheng M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHY IVORY CHENG M.D. (NPI 1427347673) is an individual sleep medicine provider in Anaheim, California, licensed in California (A124102) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
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
Cathy Ivory Cheng 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
2Medicare enrollment records show Cathy Cheng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92807 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 15
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANAHEIM, CA 92807
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 Cathy Cheng's NPI number?
The NPI number for Cathy Cheng is 1427347673. It was assigned to this individual provider in the NPPES registry on March 28, 2011.
Where is Cathy Cheng located?
Cathy Cheng practices at 411 N Lakeview Ave, Anaheim, CA 92807. The listed phone number is (714) 279-5912.
What is Cathy Cheng's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.
Is Cathy Cheng enrolled in Medicare?
Yes. Cathy Cheng 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 Cathy Cheng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathy Cheng reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Anaheim, CA) and Stanford Health Care (Stanford, CA). 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 Cathy Cheng'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 Cathy Cheng was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.
# Cathy Ivory Cheng, M.D. · NPI 1427347673
Sleep Medicine physician in Anaheim, California. Individual provider, active in the CMS NPPES registry since March 28, 2011.
## Identity
- **NPI:** 1427347673 (Entity type: Individual)
- **Enumerated:** March 28, 2011
- **Primary specialty:** Psychiatry & Neurology - Sleep Medicine · taxonomy 2084S0012X
- **State license:** A124102 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 411 N LAKEVIEW AVE, Anaheim, CA 92807-3028
- **Phone:** (714) 279-5912 · **Fax:** (714) 279-5756
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA); Stanford Health Care (NPI 1437292927, Stanford, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** July 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1427347673) · Data from the CMS NPPES public registry.