Cathy Ivory Cheng, M.D.
Sleep Medicine (Psychiatry & Neurology) Physician · Anaheim, CA
Cathy Ivory Cheng, M.D. is a sleep medicine (psychiatry & neurology) physician with a practice address in Anaheim, California, and NPI 1427347673, issued on Mar 28, 2011. Check the license (California A124102, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cathy Ivory Cheng
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
- License number
- A124102 CA
Self-reported in NPPES; status is on the state search - Practice location
- 411 N Lakeview Ave, Anaheim, CA 92807
- Phone
- (714) 279-5912
- Enumerated
- Mar 28, 2011
- Record last updated
- Jul 16, 2025
- Fax
- (714) 279-5756
- Medicare enrollment
- Enrolled (PECOS I20141210000142); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest sleep medicine (psychiatry & neurology) physician records → All 53 in California → Look up another NPI →
Also registered at 411 N Lakeview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cathy Ivory Cheng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average sleep medicine (psychiatry & neurology) physician in 2024
81 Medicare Part D claims for 30 beneficiaries, against an average of 655 among the 377 providers of this specialty who prescribed in Part D.
Most prescribed
- Zolpidem Tartrate27 claims
- Gabapentin13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $833.99
30 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 278 providers of this specialty with any payment received $5,572.43 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cathy Ivory Cheng among 53 sleep medicine (psychiatry & neurology) physician records in California
Cathy Ivory Cheng, M.D. is one of 53 sleep medicine (psychiatry & neurology) physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 74% of them.
- NPI issued2011 · 74% of these records are older, 11% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2011 · median 2003 among the 39 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084S0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Psychiatry & Neurology) Physician providers in California
There are 53 sleep medicine (psychiatry & neurology) physician records in California.
All 53 in California → Every provider in Anaheim → Sleep Medicine (Psychiatry & Neurology) Physician nationwide →
The 8 sleep medicine (psychiatry & neurology) physician records with the nearest ZIP codes
- Eric Huang, M.D.Corona, CA 928791952578973
- Paul Maistros, M.D.Fountain Valley, CA 927081275532301
- Arkady Korotinsky, M.D.Oxnard, CA 930361669629929
- Hsien Young, M.D.Santa Barbara, CA 931051528162757
- Sunitha Nune, M.D.San Bernardino, CA 924081275829533
- Anoop Karippot, MDSan Diego, CA 921311609979871
- Nevin Arora, MDVista, CA 920811518191949
- Bradley Schnierow, M.D.La Jolla, CA 920371801832522
Common questions
What is Cathy Ivory Cheng, M.D.'s NPI number?
Cathy Ivory Cheng, M.D.'s National Provider Identifier (NPI) is 1427347673, issued on Mar 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Ivory Cheng, M.D. located?
The NPPES record lists a practice address at 411 N Lakeview Ave, Anaheim, CA, 92807. Phone: (714) 279-5912. Providers update this record themselves, so call before visiting.
How can I verify Cathy Ivory Cheng, M.D.'s license?
NPPES lists California license number A124102, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cathy Ivory Cheng, M.D. prescribe under Medicare Part D?
In 2024, Cathy Ivory Cheng, M.D. had 81 Medicare Part D claims for 30 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. Part D covers Medicare prescriptions only.
What is Cathy Ivory Cheng, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.