NPPES file of Aug 9, 2026

Lauren Allison Crow Caston, M.D.

Ophthalmology Physician · Walnut Creek, CA

Lauren Allison Crow Caston, M.D. is an ophthalmology physician with a practice address in Walnut Creek, California, and NPI 1518296045, issued on Dec 11, 2009. Check the license (California A110382, 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
1518296045
Name
Lauren Allison Crow Caston
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
A110382 CA
TBA CA
Self-reported in NPPES; status is on the state search
Practice location
320 Lennon Lane, Shasta Building, Walnut Creek, CA 94598
Phone
(925) 906-2010
Enumerated
Dec 11, 2009
Record last updated
Oct 31, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Lauren Allison Crow Caston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A110382
    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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94% fewer Medicare Part D claims than the average ophthalmology physician in 2024

95 Medicare Part D claims for 54 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Lauren Caston95
  2. Specialty average1,518

Most prescribed

  1. Latanoprost22 claims
  2. Neomycin-Polymyxin-Dexameth18 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.

Lauren Allison Crow Caston among 2,899 ophthalmology physician records in California

Lauren Allison Crow Caston, M.D. 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 2009, is newer than 72% of them.

  • NPI issued2009 · 72% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2023 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. David Demartini, M.D.Walnut Creek, CA 945981437134855
  2. James Dowling, M.D.Walnut Creek, CA 945981891757506
  3. Vahid Feiz, M.D.Walnut Creek, CA 945981083698732
  4. David Gilbert, MDWalnut Creek, CA 945981033297536
  5. Jenny Jacq, MDWalnut Creek, CA 945981477508927
  6. Ethan Kutzscher, MDWalnut Creek, CA 945981700881661
  7. Michelle Nee, MDWalnut Creek, CA 945981093893182
  8. Stephanie Po, MDWalnut Creek, CA 945981003994187

Common questions

What is Lauren Allison Crow Caston, M.D.'s NPI number?

Lauren Allison Crow Caston, M.D.'s National Provider Identifier (NPI) is 1518296045, issued on Dec 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Allison Crow Caston, M.D. located?

The NPPES record lists a practice address at 320 Lennon Lane, Shasta Building, Walnut Creek, CA, 94598. Phone: (925) 906-2010. Providers update this record themselves, so call before visiting.

How can I verify Lauren Allison Crow Caston, M.D.'s license?

NPPES lists California license number A110382, 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 Lauren Allison Crow Caston, M.D. prescribe under Medicare Part D?

In 2024, Lauren Allison Crow Caston, M.D. had 95 Medicare Part D claims for 54 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.