NPPES file of Aug 9, 2026

Lynn Chien, MD

Emergency Medicine Physician · Sacramento, CA

Lynn Chien, MD is an emergency medicine physician with a practice address in Sacramento, California, and NPI 1083792576, issued on Nov 1, 2006. Check the license (California A88394, 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
1083792576
Name
Lynn Chien
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A88394 CA
Self-reported in NPPES; status is on the state search
Practice location
2025 Morse Ave, Sacramento, CA 95825
Phone
(916) 973-5000
Enumerated
Nov 1, 2006
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070411000581); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 2003
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 2025 Morse Ave

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

  1. Mouner Abouelkhier, RPHPharmacist1164571832
  2. Elijah Abramson, MDEmergency Medicine Physician1992334965
  3. Cynthia Adams, RNMedical-Surgical Registered Nurse1346372190
  4. Jesse Adams, MDHematology & Oncology Physician1851479554
  5. Qudeer Ahmad, BS RRTCritical Care Registered Respiratory Therapist1649742594
  6. Paul Akins, MDNeurology Physician1952489528

Verify Lynn Chien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A88394
    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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71% fewer Medicare Part D claims than the average emergency medicine physician in 2024

65 Medicare Part D claims for 52 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Lynn Chien65
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncStockton, CA

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

Lynn Chien among 7,751 emergency medicine physician records in California

Lynn Chien, MD is one of 7,751 emergency 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2003 · median 2011 among the 4,560 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

369 emergency medicine physician records list a practice address in Sacramento

They are 369 of the 33,083 NPPES records with a practice address in Sacramento, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Laura Bultman, MDSacramento, CA 958251235105321
  2. Kenneth Collins, MDSacramento, CA 958251881772564
  3. Fredrick Delgado, MDSacramento, CA 958251972681666
  4. Troy Falck, MDSacramento, CA 958251245318997
  5. Hernando Garzon, MDSacramento, CA 958251235217910
  6. Stephen Hall, MDSacramento, CA 958251891873501
  7. Michael Luszczak, D.O.Sacramento, CA 958251780610675
  8. Samuel Moody, MDSacramento, CA 958251699853374

Common questions

What is Lynn Chien, MD's NPI number?

Lynn Chien, MD's National Provider Identifier (NPI) is 1083792576, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lynn Chien, MD located?

The NPPES record lists a practice address at 2025 Morse Ave, Sacramento, CA, 95825. Phone: (916) 973-5000. Providers update this record themselves, so call before visiting.

How can I verify Lynn Chien, MD's license?

NPPES lists California license number A88394, 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 Lynn Chien, MD prescribe under Medicare Part D?

In 2024, Lynn Chien, MD had 65 Medicare Part D claims for 52 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.