Clement Cheng, MD
Cornea and External Diseases Specialist Physician · Stanford, CA
Clement Cheng, MD is a cornea and external diseases specialist physician with a practice address in Stanford, California, and NPI 1629065826, issued on Oct 3, 2005. Check the license (California A89628, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clement Cheng
- Credential
- MD
- Primary taxonomy
- Cornea and External Diseases Specialist Physician 207WX0120X
- License number
- A89628 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Oct 3, 2005
- Entity
- Type 1 · individual
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fahim Abbasi, M.D.Advanced Heart Failure and Transplant Cardiology Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Clement Cheng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.2 times the Medicare Part D claims of the average cornea and external diseases specialist physician in 2024
2,922 Medicare Part D claims for 558 beneficiaries, against an average of 1,306 among the 282 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Latanoprost340 claims
- Prednisolone Acetate228 claims
- Cyclosporine166 claims
- Restasis163 claims
- Ketorolac Tromethamine146 claims
- Ofloxacin144 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 Medicare quality score for 2023: 98.7 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: $445.38
4 payments, mostly food and beverage; the largest payer was Alcon Vision LLC. The 247 providers of this specialty with any payment received $3,865.64 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.
One hospital or facility affiliation
- Bay Eye Medical Group IncSanta Cruz, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cornea and External Diseases Specialist Physician providers in California
There are 46 cornea and external diseases specialist physician records in California.
Other cornea and external diseases specialist physician records in California
- Rakhi Ammar, MDLa Jolla, CA1285138503
- Patricia Bainter, MDLa Jolla, CA1487737847
- Brandon Bates, MDOrange, CA1376288274
- Carla BerkowitzSan Diego, CA1578928669
- Clemence Bonnet, MD, PHDLos Angeles, CA1861256547
- Shyamanga Borooah, MDSan Diego, CA1275165102
- Daniel Choi, MDWest Hills, CA1679078216
- Joanne Choi, MDSan Francisco, CA1063041838
- Michael Choi, M.D.Buena Park, CA1871912279
- Adam Dao, MDSan Diego, CA1770870446
Common questions
What is Clement Cheng, MD's NPI number?
Clement Cheng, MD's National Provider Identifier (NPI) is 1629065826, issued on Oct 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Clement Cheng, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Clement Cheng, MD's license?
NPPES lists California license number A89628, 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 Clement Cheng, MD prescribe under Medicare Part D?
In 2024, Clement Cheng, MD had 2,922 Medicare Part D claims for 558 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,306. Part D covers Medicare prescriptions only.
What is Clement Cheng, MD's Medicare quality score?
The 2023 MIPS final score is 98.7 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.