Barbara Erny, MD
Ophthalmology Physician · Sunnyvale, CA
Barbara Erny, MD is an ophthalmology physician with a practice address in Sunnyvale, California, and NPI 1992803514, issued on Sep 20, 2006. Check the license (California G66569, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Barbara Erny
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G66569 CA
Self-reported in NPPES; status is on the state search - Practice location
- 323-325 North Mathilda Ave, Sunnyvale, CA 94085
- Phone
- (408) 524-5900
- Enumerated
- Sep 20, 2006
- Record last updated
- Nov 30, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 323-325 North Mathilda Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Fain, O.D.Optometrist1508931601
- Rita Fong, ODOptometrist1912072042
- Tanya Ghosh, MDOphthalmology Physician1417045600
Verify Barbara Erny in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $95.26
1 payment: food and beverage; the largest payer was Alcon Vision LLC. 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.
13 ophthalmology physician records list a practice address in Sunnyvale
They are 13 of the 1,690 NPPES records with a practice address in Sunnyvale, and 2,899 ophthalmology physician records in California.
All 13 in Sunnyvale → All 2,899 in California → Every provider in Sunnyvale →
Other ophthalmology physician records in California
- Sam Abbassi, MD, MSWest Hills, CA1881937720
- Richard Abbott, M.D.San Francisco, CA1346276573
- Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
- Nizar Abdelfattah, MDPasadena, CA1801359393
- Parastou Abedi, MDAliso Viejo, CA1720067333
- Shahla Abedi, MDAliso Viejo, CA1467431072
- Lilit Ablabutyan, M.D.Glendale, CA1497013064
- Nathan Abraham, M.D.Valencia, CA1306224456
- James Abrams, M.D.San Bruno, CA1912903329
- Adam Abroms, MDWestlake Village, CA1497743702
Common questions
What is Barbara Erny, MD's NPI number?
Barbara Erny, MD's National Provider Identifier (NPI) is 1992803514, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Erny, MD located?
The NPPES record lists a practice address at 323-325 North Mathilda Ave, Sunnyvale, CA, 94085. Phone: (408) 524-5900. Providers update this record themselves, so call before visiting.
How can I verify Barbara Erny, MD's license?
NPPES lists California license number G66569, 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.
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.