Sunny Lo, D.O.
Gastroenterology Physician · Arcadia, CA
Sunny Lo, D.O. is a gastroenterology physician with a practice address in Arcadia, California, and NPI 1891053187, issued on Apr 25, 2012. Check the license (California 20A13069, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sunny Lo
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 20A13069 CA
Self-reported in NPPES; status is on the state search - Practice location
- 612 W Duarte RD Ste 601, Arcadia, CA 91007
- Phone
- (818) 659-5887
- Enumerated
- Apr 25, 2012
- Record last updated
- Aug 14, 2023
- Medicare enrollment
- Enrolled (PECOS I20180524001417); accepts Medicare assignment
- Medical or professional school
- Western University Of Health Sciences College Of Dental Med, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 612 W Duarte RD Ste 601
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Shan, MDGastroenterology Physician1629605431
Verify Sunny Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average gastroenterology physician in 2024
892 Medicare Part D claims for 464 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Omeprazole199 claims
- Gavilyte-G170 claims
- Sod Sulf-Potass Sulf-Mag Sulf144 claims
- Pantoprazole Sodium111 claims
- Peg-3350 And Electrolytes35 claims
- Xifaxan28 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: $2,296.40
53 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Sunny Lo among 2,140 gastroenterology physician records in California
Sunny Lo, D.O. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 77% of them.
- NPI issued2012 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2012 · median 2002 among the 1,538 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Arcadia → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Chu, M.D.Arcadia, CA 910071952491805
- Jacob Korula, M.D.Arcadia, CA 910071295732568
- Hanson Lee, M.D.Arcadia, CA 910071730181116
- Donald Portocarrero, D.O.Arcadia, CA 910071841503570
- Kenneth Shan, MDArcadia, CA 910071629605431
- George Thomas, M.D.Arcadia, CA 910071649293150
- Elias Tarakji, M.D.Arcadia, CA 910061467454835
- Donald David, MDDuarte, CA 910101588767131
Common questions
What is Sunny Lo, D.O.'s NPI number?
Sunny Lo, D.O.'s National Provider Identifier (NPI) is 1891053187, issued on Apr 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sunny Lo, D.O. located?
The NPPES record lists a practice address at 612 W Duarte RD Ste 601, Arcadia, CA, 91007. Phone: (818) 659-5887. Providers update this record themselves, so call before visiting.
How can I verify Sunny Lo, D.O.'s license?
NPPES lists California license number 20A13069, 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 Sunny Lo, D.O. prescribe under Medicare Part D?
In 2024, Sunny Lo, D.O. had 892 Medicare Part D claims for 464 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.