Mark R. Wieland, MD
Ophthalmology Physician · Mountain View, CA
Mark R. Wieland, MD is an ophthalmology physician with a practice address in Mountain View, California, and NPI 1134114382, issued on Sep 14, 2005. Check the license (California 00A48482, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark R. Wieland
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 00A48482 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2485 Hospital Dr, Mountain View, CA 94040
- Phone
- (650) 988-7480
- Enumerated
- Sep 14, 2005
- Record last updated
- Dec 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (650) 988-7482
- Medicaid ID
- 00A484821 CA
- Medicare enrollment
- Enrolled (PECOS I20041118000424); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1985
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 2485 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alice Adams, CLDDoula1174218259
- Alok Bansal, M.D.Ophthalmology Physician1568646776
- Charles Barrett, M.D.Specialist1316010556
- Bruce Bienenstock, M.D.Psychiatry Physician1790733665
- Edwin Boldrey, MDOphthalmology Physician1801880745
- Jesus Borrillo, MDOphthalmology Physician1861487100
Verify Mark R. Wieland in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 00A48482Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average ophthalmology physician in 2024
119 Medicare Part D claims for 31 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost31 claims
- Timolol Maleate25 claims
- Ketorolac Tromethamine11 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): 100 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: $337.51
8 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, 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
- Northern California Retina Vitreous Associates Medical Group, Inc.Mountain View, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Wieland among 2,899 ophthalmology physician records in California
Mark R. Wieland, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1985 · median 2001 among the 1,907 with a school on file
- Record last updated2017 · 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 Mountain View → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Alok Bansal, M.D.Mountain View, CA 940401568646776
- Daniel Beers, M.D.Mountain View, CA 940401578625810
- Edwin Boldrey, MDMountain View, CA 940401801880745
- Jesus Borrillo, MDMountain View, CA 940401861487100
- Sterling Haidt, MDMountain View, CA 940401801880729
- Rahul Khurana, M.D.Mountain View, CA 940401912002106
- Jeffrey Liu, M.D.Mountain View, CA 940401013145127
- James Palmer, MDMountain View, CA 940401053306381
Common questions
What is Mark R. Wieland, MD's NPI number?
Mark R. Wieland, MD's National Provider Identifier (NPI) is 1134114382, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Wieland, MD located?
The NPPES record lists a practice address at 2485 Hospital Dr, Mountain View, CA, 94040. Phone: (650) 988-7480. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Wieland, MD's license?
NPPES lists California license number 00A48482, 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 Mark R. Wieland, MD prescribe under Medicare Part D?
In 2024, Mark R. Wieland, MD had 119 Medicare Part D claims for 31 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mark R. Wieland, MD's MIPS final score?
The 2023 MIPS final score is 100 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.