John Francis Ling, M.D.
Ophthalmology Physician · Lakewood, CA
John Francis Ling, M.D. is an ophthalmology physician with a practice address in Lakewood, California, and NPI 1023436391, issued on Apr 2, 2014. Check the license (California A155679, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Francis Ling
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A155679 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 E South St Ste 105, Lakewood, CA 90805
- Phone
- (562) 531-2020
- Enumerated
- Apr 2, 2014
- Record last updated
- Apr 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180627003005); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 3300 E South St Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michela Fong, O.D.Optometrist1043943228
- Jennifer Liu, O.D.Optometrist1821178823
Verify John Francis Ling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A155679Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average ophthalmology physician in 2024
4,899 Medicare Part D claims for 932 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Latanoprost1,340 claims
- Dorzolamide-Timolol754 claims
- Prednisolone Acetate395 claims
- Brimonidine Tartrate361 claims
- Timolol Maleate300 claims
- Ofloxacin250 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $492.95
13 payments; by number, the most common kind was food and beverage; the largest payer was New World Medical,inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Lakewood Eye Physicians And Surgeons Inc A Medical GroupLakewood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Francis Ling among 2,899 ophthalmology physician records in California
John Francis Ling, M.D. is one of 2,899 ophthalmology 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 2014, is newer than 82% of them.
- NPI issued2014 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2001 among the 1,907 with a school on file
- Record last updated2020 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Lakewood → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Emma Clay, M.D.Lakewood, CA 908051053387365
- Marvin Gordon, M.DLakewood, CA 908051386860575
- Carl Hartman, MDLong Beach, CA 908051629052527
- Trinh NhuLong Beach, CA 908051083698336
- Larry Pasquali, MDLakewood, CA 908051497738082
- Theodore Pasquali, M.D.Lakewood, CA 908051164682738
- Veronique Jotterand, M.D.Long Beach, CA 908061083636187
- Michael Lieppman, M.D.Long Beach, CA 908041265531172
Common questions
What is John Francis Ling, M.D.'s NPI number?
John Francis Ling, M.D.'s National Provider Identifier (NPI) is 1023436391, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Francis Ling, M.D. located?
The NPPES record lists a practice address at 3300 E South St Ste 105, Lakewood, CA, 90805. Phone: (562) 531-2020. Providers update this record themselves, so call before visiting.
How can I verify John Francis Ling, M.D.'s license?
NPPES lists California license number A155679, 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 John Francis Ling, M.D. prescribe under Medicare Part D?
In 2024, John Francis Ling, M.D. had 4,899 Medicare Part D claims for 932 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is John Francis Ling, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.