Karen Deborah Cheng, M.D.
Neurology Physician · Laguna Hills, CA
Karen Deborah Cheng, M.D. is a neurology physician with a practice address in Laguna Hills, California, and NPI 1518163161, issued on Jun 21, 2007. Check the license (California A89350, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Deborah Cheng
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A89350 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24422 Avenida DE LA Carlota Ste 370, Laguna Hills, CA 92653
- Phone
- (949) 951-1969
- Enumerated
- Jun 21, 2007
- Record last updated
- Apr 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (949) 951-6533
- Medicare enrollment
- Enrolled (PECOS I20081119000128); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Verify Karen Deborah Cheng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89350Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average neurology physician in 2024
107 Medicare Part D claims for 21 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Zolpidem Tartrate Er23 claims
- Doxepin Hcl20 claims
- Zolpidem Tartrate12 claims
- Clonazepam11 claims
- Gabapentin11 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.
Karen Deborah Cheng among 2,339 neurology physician records in California
Karen Deborah Cheng, M.D. is one of 2,339 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2003 · median 2006 among the 1,628 with a school on file
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Laguna Hills → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Caroline Choan, MDLaguna Hills, CA 926531255352498
- Mishel Farasatpour, MDLaguna Hills, CA 926531841533767
- Kiet Loc, M.D.Laguna Hills, CA 926531609041581
- William Preston, MDLaguna Hills, CA 926531376583922
- Michael Shen, MDLaguna Hills, CA 926531154402238
- Robert Sutter, M.D.Laguna Hills, CA 926531437172509
- Mindy Bixby, D.O.Aliso Viejo, CA 926561508012139
- Thomas Ludema, MDAliso Viejo, CA 926561316953243
Common questions
What is Karen Deborah Cheng, M.D.'s NPI number?
Karen Deborah Cheng, M.D.'s National Provider Identifier (NPI) is 1518163161, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Deborah Cheng, M.D. located?
The NPPES record lists a practice address at 24422 Avenida DE LA Carlota Ste 370, Laguna Hills, CA, 92653. Phone: (949) 951-1969. Providers update this record themselves, so call before visiting.
How can I verify Karen Deborah Cheng, M.D.'s license?
NPPES lists California license number A89350, 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 Karen Deborah Cheng, M.D. prescribe under Medicare Part D?
In 2024, Karen Deborah Cheng, M.D. had 107 Medicare Part D claims for 21 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.