NPPES file of Aug 9, 2026

Diana V. Do, MD

Retina Specialist (Ophthalmology) Physician · Stanford, CA

Diana V. Do, MD is a retina specialist (ophthalmology) physician with a practice address in Stanford, California, and NPI 1245270313, issued on Jun 7, 2006. Check the license (California C143489, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245270313
Name
Diana V. Do
Credential
MD
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License numbers
C143489 CA
D59856 MD
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Jun 7, 2006
Record last updated
Mar 21, 2024
Medicaid ID
401799400 MD
Medicare enrollment
Enrolled (PECOS I20160725002653); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Pasteur Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Diana V. Do in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C143489
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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65% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

216 Medicare Part D claims for 77 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Diana Do216
  2. Specialty average620

Most prescribed

  1. Ketorolac Tromethamine40 claims
  2. Latanoprost37 claims
  3. Prednisolone Acetate22 claims
  4. Brimonidine Tartrate21 claims
  5. Dorzolamide-Timolol20 claims
  6. Azelastine Hcl17 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.

Industry payments in 2024: $52,256.32

44 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Pharmaceuticals, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Do$52,256
  2. Specialty average$7,667

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Stanford Health CarePalo Alto, CA · Acute Care Hospitals5 of 5 stars
  2. County OF Santa ClaraSan Jose, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Diana V. Do among 205 retina specialist (ophthalmology) physician records in California

Diana V. Do, MD is one of 205 retina specialist (ophthalmology) physician records with a practice address in California. 98% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 65% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated1999 · median 2007 among the 189 with a school on file
  • Record last updated2024 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in California

There are 205 retina specialist (ophthalmology) physician records in California.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Natalia Callaway, MDStanford, CA 943051891109294
  2. Charles Deboer, MDStanford, CA 943051134649973
  3. Mary Elizabeth Hartnett, MDStanford, CA 943051871507020
  4. Quan Hoang, MD, PHDStanford, CA 943051033314257
  5. Theodore Leng, MDStanford, CA 943051144438987
  6. Loh-Shan Leung, MDStanford, CA 943051639330772
  7. Chase Ludwig, MDStanford, CA 943051932556875
  8. Prithvi Mruthyunjaya, MDStanford, CA 943051073670477

Common questions

What is Diana V. Do, MD's NPI number?

Diana V. Do, MD's National Provider Identifier (NPI) is 1245270313, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diana V. Do, 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 Diana V. Do, MD's license?

NPPES lists California license number C143489, 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 Diana V. Do, MD prescribe under Medicare Part D?

In 2024, Diana V. Do, MD had 216 Medicare Part D claims for 77 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. 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.