Jeffrey Ma, M.D.
Cornea and External Diseases Specialist Physician · Sacramento, CA
Jeffrey Ma, M.D. is a cornea and external diseases specialist physician with a practice address in Sacramento, California, and NPI 1750709648, issued on Mar 29, 2014. Check the license (California A162792, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Ma
- Credential
- M.D.
- Primary taxonomy
- Cornea and External Diseases Specialist Physician 207WX0120X
- License numbers
- A162792 CA
125067874 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4860 Y St Ste 2400, Sacramento, CA 95817
- Phone
- (630) 399-8013
- Enumerated
- Mar 29, 2014
- Record last updated
- Dec 23, 2022
- Medicare enrollment
- Enrolled (PECOS I20200206002457); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest cornea and external diseases specialist physician records → All 54 in California → Look up another NPI →
Also registered at 4860 Y St Ste 2400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicholas Chartrand, MDStudent in an Organized Health Care Education/Training Program1912712696
- Andrew ChenStudent in an Organized Health Care Education/Training Program1023694981
- David Chu, MDOphthalmology Physician1427190578
Verify Jeffrey Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A162792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average cornea and external diseases specialist physician in 2024
2,065 Medicare Part D claims for 514 beneficiaries, against an average of 1,263 among the 330 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Latanoprost402 claims
- Prednisolone Acetate293 claims
- Moxifloxacin222 claims
- Timolol Maleate112 claims
- Erythromycin108 claims
- Dorzolamide-Timolol94 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 MIPS final score for 2023 (Medicare payment program): 90.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $498.26
6 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 284 providers of this specialty with any payment received $3,109.37 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 2 group practices
- Regents OF The Univ OF CASacramento, CA
- Regents OF The University OF CaliforniaDavis, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Ma among 54 cornea and external diseases specialist physician records in California
Jeffrey Ma, M.D. is one of 54 cornea and external diseases specialist physician records with a practice address in California. 96% 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 50% of them.
- NPI issued2014 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2014 · median 2010 among the 46 with a school on file
- Record last updated2022 · 24% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0120X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cornea and External Diseases Specialist Physician providers in California
There are 54 cornea and external diseases specialist physician records in California.
All 54 in California → Every provider in Sacramento → Cornea and External Diseases Specialist Physician nationwide →
The 8 cornea and external diseases specialist physician records with the nearest ZIP codes
- Erika Ellis, MD, PHDSacramento, CA 958171174011217
- Rikki Enzor, MD, PHDSacramento, CA 958171639528599
- Mathew Margolis, MDSacramento, CA 958171902367899
- Milad Modabber, MD, FRCSC, MSSacramento, CA 958171720630833
- Mark Rosenblatt, MDSacramento, CA 958171093790594
- Lillian Tran, MDSacramento, CA 958171477041127
- Bradley Barnett, M.D., PH.D.Sacramento, CA 958151154765139
- Mustafa Safi, MDEureka, CA 955011518325455
Common questions
What is Jeffrey Ma, M.D.'s NPI number?
Jeffrey Ma, M.D.'s National Provider Identifier (NPI) is 1750709648, issued on Mar 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Ma, M.D. located?
The NPPES record lists a practice address at 4860 Y St Ste 2400, Sacramento, CA, 95817. Phone: (630) 399-8013. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Ma, M.D.'s license?
NPPES lists California license number A162792, 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 Jeffrey Ma, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Ma, M.D. had 2,065 Medicare Part D claims for 514 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,263. Part D covers Medicare prescriptions only.
What is Jeffrey Ma, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.9 of 100. 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.