NPPES file of Aug 9, 2026

Maribeth Chong, M.D

Internal Medicine Physician · Carlsbad, CA

Maribeth Chong, M.D is an internal medicine physician with a practice address in Carlsbad, California, and NPI 1932134756, issued on Jul 11, 2006. Check the license (California C51324, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932134756
Name
Maribeth Chong
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C51324 CA
Self-reported in NPPES; status is on the state search
Practice location
5930 Priestly Dr, Carlsbad, CA 92008
Phone
(760) 434-6060
Enumerated
Jul 11, 2006
Record last updated
Jan 5, 2024
Fax
(760) 434-6565
Medicare enrollment
Enrolled (PECOS I20060123000991); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1993
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.
Download card Updates feed

Also registered at 5930 Priestly Dr

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

  1. Yoo Jin Chong, M.DInternal Medicine Physician1831124650
  2. Julie Keen, NPNurse Practitioner1376830117
  3. Denise Yu, MDFamily Medicine Physician1336501139

Verify Maribeth Chong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C51324
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

72% more Medicare Part D claims than the average internal medicine physician in 2024

5,471 Medicare Part D claims for 685 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 93 claims were for opioids.

  1. Maribeth Chong5,471
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium300 claims
  2. Atorvastatin Calcium261 claims
  3. Amlodipine Besylate216 claims
  4. Losartan Potassium210 claims
  5. Rosuvastatin Calcium134 claims
  6. Gabapentin126 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.

Industry payments in 2024: $709.71

28 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Maribeth Chong$709.71
  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. Well Being Health, IncCarlsbad, CA

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

Maribeth Chong among 17,696 internal medicine physician records in California

Maribeth Chong, M.D 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
  • Graduated1993 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Yoo Jin Chong, M.DCarlsbad, CA 920081831124650
  2. Andrew Hall, M.D.Carlsbad, CA 920081154494565
  3. Stacie Ly, MDCarlsbad, CA 920081114028669
  4. Todd Ovokaitys, MDCarlsbad, CA 920081760029706
  5. Michael Pham, DOCarlsbad, CA 920081477940658
  6. Jonathan Rivkin, MDCarlsbad, CA 920081689717886
  7. Paolo Zizzo, D.O.Carlsbad, CA 920081396750279
  8. Deepak Chopra, M.D.Carlsbad, CA 920091821223835

Common questions

What is Maribeth Chong, M.D's NPI number?

Maribeth Chong, M.D's National Provider Identifier (NPI) is 1932134756, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maribeth Chong, M.D located?

The NPPES record lists a practice address at 5930 Priestly Dr, Carlsbad, CA, 92008. Phone: (760) 434-6060. Providers update this record themselves, so call before visiting.

How can I verify Maribeth Chong, M.D's license?

NPPES lists California license number C51324, 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 Maribeth Chong, M.D prescribe under Medicare Part D?

In 2024, Maribeth Chong, M.D had 5,471 Medicare Part D claims for 685 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.