Stacie Hien Ly, MD
Internal Medicine Physician · Carlsbad, CA
Stacie Hien Ly, MD is an internal medicine physician with a practice address in Carlsbad, California, and NPI 1114028669, issued on Sep 26, 2006. Check the license (California C154258, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stacie Hien Ly
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C154258 CA
MD00044604 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2176 Salk Ave, Carlsbad, CA 92008
- Phone
- (760) 827-7200
- Enumerated
- Sep 26, 2006
- Record last updated
- Oct 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 8430456 WA
- Medicare enrollment
- Enrolled (PECOS I20180803002174); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2176 Salk Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Marie Ahn, NPFamily Nurse Practitioner1477390060
- Theresa Bartolome, MDFamily Medicine Physician1184638223
- Melissa Blake, PA-CPhysician Assistant1740655653
- Chloe Braamse, NPFamily Nurse Practitioner1790413367
- Mary Casement, MDPediatrics Physician1386668937
- Anthony Chong, MDFamily Medicine Physician1790709939
Verify Stacie Hien Ly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C154258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average internal medicine physician in 2024
3,557 Medicare Part D claims for 467 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium256 claims
- Levothyroxine Sodium211 claims
- Rosuvastatin Calcium183 claims
- Amlodipine Besylate176 claims
- Losartan Potassium165 claims
- Lisinopril97 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: $273.82
9 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.
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
- Scripps HealthCarlsbad, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacie Hien Ly among 17,696 internal medicine physician records in California
Stacie Hien Ly, 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
- Graduated2002 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 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.
All 17,696 in California → Every provider in Carlsbad → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maribeth Chong, M.DCarlsbad, CA 920081932134756
- Yoo Jin Chong, M.DCarlsbad, CA 920081831124650
- Andrew Hall, M.D.Carlsbad, CA 920081154494565
- Todd Ovokaitys, MDCarlsbad, CA 920081760029706
- Michael Pham, DOCarlsbad, CA 920081477940658
- Jonathan Rivkin, MDCarlsbad, CA 920081689717886
- Paolo Zizzo, D.O.Carlsbad, CA 920081396750279
- Deepak Chopra, M.D.Carlsbad, CA 920091821223835
Common questions
What is Stacie Hien Ly, MD's NPI number?
Stacie Hien Ly, MD's National Provider Identifier (NPI) is 1114028669, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stacie Hien Ly, MD located?
The NPPES record lists a practice address at 2176 Salk Ave, Carlsbad, CA, 92008. Phone: (760) 827-7200. Providers update this record themselves, so call before visiting.
How can I verify Stacie Hien Ly, MD's license?
NPPES lists California license number C154258, 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 Stacie Hien Ly, MD prescribe under Medicare Part D?
In 2024, Stacie Hien Ly, MD had 3,557 Medicare Part D claims for 467 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.