Colleen Ann Ly, PA-C
Surgical Physician Assistant · San Diego, CA
Colleen Ann Ly, PA-C is a surgical physician assistant with a practice address in San Diego, California, and NPI 1184404261, issued on Oct 5, 2023. Check the license (California PA63447, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colleen Ann Ly
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA63447 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4060 Fourth Ave Ste 700, San Diego, CA 92103
- Phone
- (619) 299-8500
- Enumerated
- Oct 5, 2023
- Record last updated
- Apr 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20240508002844); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Verify Colleen Ann Ly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA63447Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $13.84
1 payment: food and beverage; the largest payer was Fidia Pharma USA Inc. The 7,578 providers of this specialty with any payment received $703.95 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.
Bills Medicare through 3 group practices
- California Orthopaedic Institute Medical Associates IncSan Diego, CA
- ON Call Specialists Medical Group OF San Diego IncSan Diego, CA
- San Diego Orthopaedic Associates Medical Group, Inc.San Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen Ann Ly among 1,075 surgical physician assistant records in California
Colleen Ann Ly, PA-C is one of 1,075 surgical physician assistant 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 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2023 · median 2012 among the 649 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in San Diego → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Sara Fagan, PA-CSan Diego, CA 921031679721245
- Ellen Fink, MS, PACSan Diego, CA 921031689962946
- James Hamilton, PA-CSan Diego, CA 921031003221078
- Emily KimballSan Diego, CA 921031649979659
- Kalyn King, PASan Diego, CA 921031033870290
- Kimberlee Knox, PA-CSan Diego, CA 921031619974623
- Robert Mallory, MSPH, MPAS, PA-CSan Diego, CA 921031588612667
- Michelle Meredith, P.A.-CSan Diego, CA 921031639589252
Common questions
What is Colleen Ann Ly, PA-C's NPI number?
Colleen Ann Ly, PA-C's National Provider Identifier (NPI) is 1184404261, issued on Oct 5, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Ann Ly, PA-C located?
The NPPES record lists a practice address at 4060 Fourth Ave Ste 700, San Diego, CA, 92103. Phone: (619) 299-8500. Providers update this record themselves, so call before visiting.
How can I verify Colleen Ann Ly, PA-C's license?
NPPES lists California license number PA63447, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.