NPPES file of Aug 9, 2026

Karissa Chow, MD

Family Medicine Physician · Huntington Beach, CA

Karissa Chow, MD is a family medicine physician with a practice address in Huntington Beach, California, and NPI 1396236873, issued on May 21, 2018. Check the license (California A165279, 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
1396236873
Name
Karissa Chow
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A165279 CA
Self-reported in NPPES; status is on the state search
Practice location
19582 Beach Blvd Ste 325, Huntington Beach, CA 92648
Phone
(714) 477-8020
Enumerated
May 21, 2018
Record last updated
Nov 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211102000844); accepts Medicare assignment
Medical or professional school
Wright State University Boonshoft School Of Medicine, 2018
Telehealth
Offers telehealth (CMS)
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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Verify Karissa Chow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A165279
    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

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46% more Medicare Part D claims than the average family medicine physician in 2024

5,164 Medicare Part D claims for 517 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 82 claims were for opioids.

  1. Karissa Chow5,164
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium401 claims
  2. Levothyroxine Sodium292 claims
  3. Amlodipine Besylate248 claims
  4. Rosuvastatin Calcium236 claims
  5. Losartan Potassium199 claims
  6. Lisinopril166 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): 84.4 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 score90.7
  2. Costout of 100 · 30%57.4
  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: $783.25

6 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karissa Chow$783.25
  2. Specialty average$902.55

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. Hoag ClinicHuntington Beach, CA

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

Karissa Chow among 17,133 family medicine physician records in California

Karissa Chow, MD is one of 17,133 family medicine 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 2018, is newer than 82% of them.

  • NPI issued2018 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2018 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

83 family medicine physician records list a practice address in Huntington Beach

They are 83 of the 4,031 NPPES records with a practice address in Huntington Beach, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Rita Archer, MDHuntington Beach, CA 926481598890121
  2. Matthew Arredondo, MDHuntington Beach, CA 926481952476848
  3. Bart Barrett, M.D.Huntington Beach, CA 926481588601660
  4. Thomas Besley, MDHuntington Beach, CA 926481124058409
  5. Thomas Kockinis, MDHuntington Beach, CA 926481952312712
  6. Ted Lee, M.D.Huntington Beach, CA 926481295804292
  7. Brenda Mah-McCaa, M.D.Huntington Beach, CA 926481023022993
  8. Ola Medhat, D.O.Huntington Beach, CA 926481477559979

Common questions

What is Karissa Chow, MD's NPI number?

Karissa Chow, MD's National Provider Identifier (NPI) is 1396236873, issued on May 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Karissa Chow, MD located?

The NPPES record lists a practice address at 19582 Beach Blvd Ste 325, Huntington Beach, CA, 92648. Phone: (714) 477-8020. Providers update this record themselves, so call before visiting.

How can I verify Karissa Chow, MD's license?

NPPES lists California license number A165279, 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 Karissa Chow, MD prescribe under Medicare Part D?

In 2024, Karissa Chow, MD had 5,164 Medicare Part D claims for 517 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Karissa Chow, MD's MIPS final score?

The 2023 MIPS final score is 84.4 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.