NPPES file of Aug 9, 2026

William Mandrick, WILLIAM MANDRICK

Ophthalmology Physician · Encino, CA

William Mandrick, WILLIAM MANDRICK is an ophthalmology physician with a practice address in Encino, California, and NPI 1932270097, issued on Nov 12, 2006. Check the license (California G83686, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932270097
Name
William Mandrick
Credential
WILLIAM MANDRICK
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
G83686 CA
Self-reported in NPPES; status is on the state search
Practice location
17310 Ventura Blvd, Encino, CA 91316
Phone
(818) 728-4260
Enumerated
Nov 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070208000399); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1993
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 17310 Ventura Blvd

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

  1. Vahe Arutyunyan, ODOptometrist1548779952
  2. Jamie Cohen, O.D.Optometrist1588952386
  3. Harry Enenstein, O. D.Optometrist1063498616
  4. Ani Kazarian, O.D.Optometrist1790231009

Verify William Mandrick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G83686
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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53% fewer Medicare Part D claims than the average ophthalmology physician in 2024

708 Medicare Part D claims for 136 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. William Mandrick708
  2. Specialty average1,518

Most prescribed

  1. Latanoprost184 claims
  2. Dorzolamide-Timolol74 claims
  3. Cyclosporine55 claims
  4. Bromfenac Sodium41 claims
  5. Rocklatan34 claims
  6. Lumigan33 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 73.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score26.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

William Mandrick among 2,899 ophthalmology physician records in California

William Mandrick, WILLIAM MANDRICK 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
  • Graduated1993 · median 2001 among the 1,907 with a school on file
  • Record last updated2007 · 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).

28 ophthalmology physician records list a practice address in Encino

They are 28 of the 3,136 NPPES records with a practice address in Encino, and 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Bruce Becker, M.D.Encino, CA 913161376584433
  2. Justin Dredge, MDEncino, CA 913161780069294
  3. Sara Haji Abdollahi, M.D.Encino, CA 913161720250475
  4. Sami Kamjoo, M.D.Encino, CA 913161528257060
  5. Ganesha Kandavel, M.D.Encino, CA 913161366533846
  6. Lisa Lintz, M.D.Encino, CA 913161285732560
  7. Franz Michel, M.D.Newbury Park, CA 913201124176417
  8. W Scott Calvin, M.D.Northridge, CA 913241649212895

Common questions

What is William Mandrick, WILLIAM MANDRICK's NPI number?

William Mandrick, WILLIAM MANDRICK's National Provider Identifier (NPI) is 1932270097, issued on Nov 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Mandrick, WILLIAM MANDRICK located?

The NPPES record lists a practice address at 17310 Ventura Blvd, Encino, CA, 91316. Phone: (818) 728-4260. Providers update this record themselves, so call before visiting.

How can I verify William Mandrick, WILLIAM MANDRICK's license?

NPPES lists California license number G83686, 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 William Mandrick, WILLIAM MANDRICK prescribe under Medicare Part D?

In 2024, William Mandrick, WILLIAM MANDRICK had 708 Medicare Part D claims for 136 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is William Mandrick, WILLIAM MANDRICK's MIPS final score?

The 2023 MIPS final score is 73.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.