Lee-Ling Ong, D.O.
Hospice and Palliative Medicine (Internal Medicine) Physician · San Diego, CA
Lee-Ling Ong, D.O. is a hospice and palliative medicine (internal medicine) physician with a practice address in San Diego, California, and NPI 1588081038, issued on Mar 22, 2014. Check the license (California 20A16397, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lee-Ling Ong
- Credential
- D.O.
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License number
- 20A16397 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10990 San Diego Mission RD, San Diego, CA 92108
- Phone
- (619) 528-1245
- Enumerated
- Mar 22, 2014
- Record last updated
- Sep 14, 2023
- Medicare enrollment
- Enrolled (PECOS I20181018002948); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 260 in California → Look up another NPI →
Also registered at 10990 San Diego Mission RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vishar Amin, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1326484577
- Jillian Arizcuren, RDRegistered Dietitian1285314930
- Mattie Arsanjani, PHARM.D.Pharmacist1104958164
- Narine Babanyan, LCSWClinical Social Worker1619115656
- Cara Baker, PHARM. D.Pharmacist1033318209
- Jennigrace Bautista, PHARM. D.Pharmacist1972663631
Verify Lee-Ling Ong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
93 Medicare Part D claims for 68 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
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
- Southern California Permanente Medical GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lee-Ling Ong among 260 hospice and palliative medicine (internal medicine) physician records in California
Lee-Ling Ong, D.O. is one of 260 hospice and palliative medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 62% of them.
- NPI issued2014 · 62% of these records are older, 31% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 2010 among the 193 with a school on file
- Record last updated2023 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in California
There are 260 hospice and palliative medicine (internal medicine) physician records in California.
All 260 in California → Every provider in San Diego → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Vishar Amin, M.D.San Diego, CA 921081326484577
- Ellina Bekkerman-Donner, MDSan Diego, CA 921101396936480
- Rachel Cohn, M.DSan Diego, CA 921031649476284
- William Mitchell, MDSan Diego, CA 921031669634663
- Shannon Moore, MD, MPHSan Diego, CA 921031184715732
- Michelle Quan, MDSan Diego, CA 921031386272722
- Stephanie Schmitt, MDSan Diego, CA 921031992202170
- Elaine Yan, MDSan Diego, CA 921031316640493
Common questions
What is Lee-Ling Ong, D.O.'s NPI number?
Lee-Ling Ong, D.O.'s National Provider Identifier (NPI) is 1588081038, issued on Mar 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Lee-Ling Ong, D.O. located?
The NPPES record lists a practice address at 10990 San Diego Mission RD, San Diego, CA, 92108. Phone: (619) 528-1245. Providers update this record themselves, so call before visiting.
How can I verify Lee-Ling Ong, D.O.'s license?
NPPES lists California license number 20A16397, 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 Lee-Ling Ong, D.O. prescribe under Medicare Part D?
In 2024, Lee-Ling Ong, D.O. had 93 Medicare Part D claims for 68 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. 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.