Mary Ann Lloyd, MD
Ophthalmology Physician · Palo Alto, CA
Mary Ann Lloyd, MD is an ophthalmology physician with a practice address in Palo Alto, California, and NPI 1285743153, issued on Aug 30, 2006. Check the license (California G65455, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Lloyd
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G65455 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 853-2974
- Enumerated
- Aug 30, 2006
- Record last updated
- Mar 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080723000457); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1985
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ann Lloyd in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G65455Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average ophthalmology physician in 2024
2,228 Medicare Part D claims for 454 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Latanoprost598 claims
- Timolol Maleate395 claims
- Prednisolone Acetate232 claims
- Moxifloxacin195 claims
- Brimonidine Tartrate192 claims
- Dorzolamide Hcl95 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Lloyd among 2,899 ophthalmology physician records in California
Mary Ann Lloyd, 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
- Graduated1985 · median 2001 among the 1,907 with a school on file
- Record last updated2020 · 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 Palo Alto → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- James Ahn, M.D.Palo Alto, CA 943011902915028
- Annie Chan, MDPalo Alto, CA 943011346420221
- Susan Connolly, MDPalo Alto, CA 943011861501900
- Jocelyn Delcarmen, M.D.Palo Alto, CA 943011144322579
- Harvey Fishman, M.D.Palo Alto, CA 943011639166838
- Hyunjin Jane Kim, M.D.Palo Alto, CA 943011376765990
- Debbie Kuo, M.D.Palo Alto, CA 943011417222050
- Marc Levin, MDPalo Alto, CA 943011811123441
Common questions
What is Mary Ann Lloyd, MD's NPI number?
Mary Ann Lloyd, MD's National Provider Identifier (NPI) is 1285743153, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Lloyd, MD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 853-2974. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Lloyd, MD's license?
NPPES lists California license number G65455, 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 Mary Ann Lloyd, MD prescribe under Medicare Part D?
In 2024, Mary Ann Lloyd, MD had 2,228 Medicare Part D claims for 454 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
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.