NPPES file of Aug 9, 2026

Lauren Eun-Jung Choi, M.D.

Endocrinology, Diabetes & Metabolism Physician · Long Beach, CA

Lauren Eun-Jung Choi, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Long Beach, California, and NPI 1699736132, issued on Mar 31, 2006. Check the license (California A78003, 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
1699736132
Name
Lauren Eun-Jung Choi
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A78003 CA
Self-reported in NPPES; status is on the state search
Practice location
2699 Atlantic Ave, Long Beach, CA 90806
Phone
(562) 426-3333
Enumerated
Mar 31, 2006
Record last updated
Nov 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(562) 424-0837
Medicare enrollment
Enrolled (PECOS I20051012001234); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 2699 Atlantic Ave

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

  1. Joilyn AndersonFamily Nurse Practitioner1114557170
  2. Mark Asbill, M.D.Internal Medicine Physician1558310896
  3. Renuka Boyapalli, MDEndocrinology, Diabetes & Metabolism Physician1558399311
  4. Jeffrey Chwa, DORheumatology Physician1285989236
  5. Anthony Chyou, M. D.Interventional Cardiology Physician1457592073
  6. Aparna Das, MDInternal Medicine Physician1811181332

Verify Lauren Eun-Jung Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78003
    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.

91% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

5,022 Medicare Part D claims for 590 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Lauren Choi5,022
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium591 claims
  2. Metformin Hcl Er454 claims
  3. Synthroid338 claims
  4. Ozempic277 claims
  5. Atorvastatin Calcium254 claims
  6. Nano 2nd Gen Pen Needle201 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: $1,200.73

71 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lauren Choi$1,200.73
  2. Specialty average$5,742.15

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. Torrance Health Association IncTorrance, CA

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

Lauren Eun-Jung Choi among 1,131 endocrinology, diabetes & metabolism physician records in California

Lauren Eun-Jung Choi, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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, 54% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2000 · median 2003 among the 779 with a school on file
  • Record last updated2012 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Richard Berkson, MDLong Beach, CA 908061699793885
  2. Renuka Boyapalli, MDLong Beach, CA 908061558399311
  3. Matthew Clarke, MDLong Beach, CA 908061528315835
  4. Peter Linfoot, PH.D., M.D.Long Beach, CA 908061396777264
  5. Ricky Mac, MDLong Beach, CA 908061578581666
  6. Yasaman Mohtasebi, M.D.Long Beach, CA 908061962687889
  7. Joseph Molina, M.D.Long Beach, CA 908061194861484
  8. Kristen Nguyen, M.D.Long Beach, CA 908061669884821

Common questions

What is Lauren Eun-Jung Choi, M.D.'s NPI number?

Lauren Eun-Jung Choi, M.D.'s National Provider Identifier (NPI) is 1699736132, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Eun-Jung Choi, M.D. located?

The NPPES record lists a practice address at 2699 Atlantic Ave, Long Beach, CA, 90806. Phone: (562) 426-3333. Providers update this record themselves, so call before visiting.

How can I verify Lauren Eun-Jung Choi, M.D.'s license?

NPPES lists California license number A78003, 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 Lauren Eun-Jung Choi, M.D. prescribe under Medicare Part D?

In 2024, Lauren Eun-Jung Choi, M.D. had 5,022 Medicare Part D claims for 590 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.