Ding Martin Ma, MD
Ophthalmology Physician · Norwalk, CT
Ding Martin Ma, MD is an ophthalmology physician with a practice address in Norwalk, Connecticut, and NPI 1699031005, issued on Apr 10, 2012. Check the license (Connecticut 60376, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ding Martin Ma
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 60376 CT
Self-reported in NPPES; status is on the state search - Practice location
- 761 Main Ave, Norwalk, CT 06851
- Phone
- (203) 853-9900
- Enumerated
- Apr 10, 2012
- Record last updated
- Nov 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160827000392); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 761 Main Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sharyu Bande, MDInternal Medicine Physician1619130705
- Cindy Barboza, APRNFamily Nurse Practitioner1528499951
Verify Ding Martin Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 60376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average ophthalmology physician in 2024
646 Medicare Part D claims for 310 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Latanoprost117 claims
- Neomycin-Polymyxin-Dexameth107 claims
- Prednisolone Acetate69 claims
- Moxifloxacin52 claims
- Dorzolamide-Timolol30 claims
- Lumigan27 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): 73 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: $344.30
16 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, 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
- Hudson Valley Eye SurgeonsFishkill, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ding Martin Ma among 336 ophthalmology physician records in Connecticut
Ding Martin Ma, MD is one of 336 ophthalmology physician records with a practice address in Connecticut. 76% 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 82% of them.
- NPI issued2012 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2000 among the 212 with a school on file
- Record last updated2018 · 66% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Connecticut
There are 336 ophthalmology physician records in Connecticut.
All 336 in Connecticut → Every provider in Norwalk → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Peter Libre, MDNorwalk, CT 068511013013671
- Brad Oren, M.D.Norwalk, CT 068511568541761
- Scott Spector, MDNorwalk, CT 068511073553707
- Erol Verter, M.D.Norwalk, CT 068511548610454
- James Wong, M.D.Norwalk, CT 068511912994666
- Jacqueline LittziNew Canaan, CT 068401619037124
- James Talbot, M.D.New Canaan, CT 068401841345428
- Christienne Coates, MDGreenwich, CT 068311215937800
Common questions
What is Ding Martin Ma, MD's NPI number?
Ding Martin Ma, MD's National Provider Identifier (NPI) is 1699031005, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ding Martin Ma, MD located?
The NPPES record lists a practice address at 761 Main Ave, Norwalk, CT, 06851. Phone: (203) 853-9900. Providers update this record themselves, so call before visiting.
How can I verify Ding Martin Ma, MD's license?
NPPES lists Connecticut license number 60376, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ding Martin Ma, MD prescribe under Medicare Part D?
In 2024, Ding Martin Ma, MD had 646 Medicare Part D claims for 310 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Ding Martin Ma, MD's MIPS final score?
The 2023 MIPS final score is 73 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.