NPPES file of Aug 9, 2026

Karen Cheng, MD

Internal Medicine Physician · Los Angeles, CA

Karen Cheng, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1487689386, issued on Jul 11, 2006. Check the license (California G76877, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487689386
Name
Karen Cheng
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G76877 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Medical Plaza, Los Angeles, CA 90095
Phone
(310) 825-0631
Enumerated
Jul 11, 2006
Record last updated
Sep 28, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
00G768770 CA
Medicare enrollment
Enrolled (PECOS I20040324000828); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 200 Medical Plaza

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anita Agzarian, MDInternal Medicine Physician1144254590
  2. Sheila Ahmadi, MDEndocrinology, Diabetes & Metabolism Physician1194800094
  3. Marine Altunyan, PHARMDAmbulatory Care Pharmacist1578300083
  4. Gayane Ambartsumyan, MDObstetrics & Gynecology Physician1174556849
  5. Parviz Amid, M.D.Surgery Physician1073633459
  6. Adrienne Bawa, REGISTERED NURSECase Management Registered Nurse1497355366

Verify Karen Cheng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G76877
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

301 Medicare Part D claims for 25 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Karen Cheng301
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium24 claims
  2. Rosuvastatin Calcium24 claims
  3. Amlodipine Besylate22 claims
  4. Ezetimibe21 claims
  5. Memantine Hcl15 claims
  6. Citalopram Hbr13 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): 86.1 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.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costout of 100 · 30%66.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $80.30

1 payment: food and beverage; the largest payer was icotec Medical Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Cheng$80.30
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Regents OF The University OF CaliforniaLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Cheng among 17,696 internal medicine physician records in California

Karen Cheng, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1991 · median 2004 among the 11,065 with a school on file
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Ackerman, MDLos Angeles, CA 900951144225046
  2. Alice Agzarian, MDLos Angeles, CA 900951750314852
  3. Anita Agzarian, MDLos Angeles, CA 900951144254590
  4. Benjamin Ansell, MDLos Angeles, CA 900951770516882
  5. Arnold Brickman, MDLos Angeles, CA 900951447284906
  6. Arleen Brown, MDLos Angeles, CA 900951720013618
  7. Richard Buyalos, MDLos Angeles, CA 900951720012123
  8. Basit Chaudhry, MDLos Angeles, CA 900951992739460

Common questions

What is Karen Cheng, MD's NPI number?

Karen Cheng, MD's National Provider Identifier (NPI) is 1487689386, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Cheng, MD located?

The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 825-0631. Providers update this record themselves, so call before visiting.

How can I verify Karen Cheng, MD's license?

NPPES lists California license number G76877, 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 Cheng, MD prescribe under Medicare Part D?

In 2024, Karen Cheng, MD had 301 Medicare Part D claims for 25 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Karen Cheng, MD's MIPS final score?

The 2023 MIPS final score is 86.1 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.