Deborah Alcorn, MD
Ophthalmology Physician · Cupertino, CA
Deborah Alcorn, MD is an ophthalmology physician with a practice address in Cupertino, California, and NPI 1346332780, issued on Sep 29, 2006. Check the license (California A49880, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Deborah Alcorn
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A49880 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10300 S Deanza Blvd, Cupertino, CA 95014
- Phone
- (408) 252-6985
- Enumerated
- Sep 29, 2006
- Record last updated
- May 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A492200 CA
- Medicare enrollment
- Enrolled (PECOS I20070502000574); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Verify Deborah Alcorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSunnyvale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deborah Alcorn among 2,899 ophthalmology physician records in California
Deborah Alcorn, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1981 · median 2001 among the 1,907 with a school on file
- Record last updated2021 · 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 Cupertino → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Tarek El-Sawy, M.D.Cupertino, CA 950141922269083
- James Liu, M.D.Cupertino, CA 950141831139997
- Huan PhanCupertino, CA 950141841208352
- Lawrence Birndorf, MDFreedom, CA 950191558450932
- John Crowder, MDFreedom, CA 950191215021480
- Conrad Hamako, MDFreedom, CA 950191679675029
- Anne Kato, M.D.Freedom, CA 950191871849984
- Louis CaiCampbell, CA 950081194220632
Common questions
What is Deborah Alcorn, MD's NPI number?
Deborah Alcorn, MD's National Provider Identifier (NPI) is 1346332780, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Deborah Alcorn, MD located?
The NPPES record lists a practice address at 10300 S Deanza Blvd, Cupertino, CA, 95014. Phone: (408) 252-6985. Providers update this record themselves, so call before visiting.
How can I verify Deborah Alcorn, MD's license?
NPPES lists California license number A49880, 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.