Registry data as of Aug 27, 2026

Carla Berkowitz

Cornea and External Diseases Specialist Physician · San Diego, CA

Carla Berkowitz is a cornea and external diseases specialist physician with a practice address in San Diego, California, and NPI 1578928669, issued on Dec 16, 2015. Check the license (California A187413, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1578928669
Name
Carla Berkowitz
Primary taxonomy
Cornea and External Diseases Specialist Physician 207WX0120X
License number
A187413 CA
Self-reported in NPPES; status is on the state search
Practice location
3939 3RD Ave, San Diego, CA 92103
Phone
(800) 765-2737
Enumerated
Dec 16, 2015
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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Also registered at 3939 3RD Ave

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

  1. Nickolet Boermans, O.D.Optometrist1215263751
  2. Neil Choplin, M.D.Ophthalmology Physician1144205642
  3. Anna Do, M.D.Ophthalmology Physician1588058721
  4. Sara Julazadeh, O.D.Optometrist1952592768
  5. Asa Morton, M.D.Ophthalmology Physician1780669283
  6. Adriana Sanchez, O.D.Optometrist1902883028

Verify Carla Berkowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A187413
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

20% fewer Medicare Part D claims than the average cornea and external diseases specialist physician in 2024

1,042 Medicare Part D claims for 308 beneficiaries, against an average of 1,306 among the 282 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.

  1. Carla Berkowitz1,042
  2. Specialty average1,306

Most prescribed

  1. Prednisolone Acetate289 claims
  2. Moxifloxacin136 claims
  3. Erythromycin58 claims
  4. Latanoprost55 claims
  5. Restasis48 claims
  6. Valacyclovir47 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 Medicare quality score for 2023: 74.6 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 score85.0
  2. Costout of 100 · 30%30.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Industry payments in 2024: $1,008.11

13 payments, mostly food and beverage; the largest payer was Biotissue Holdings Inc.. The 247 providers of this specialty with any payment received $3,865.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carla Berkowitz$1,008.11
  2. Specialty average$3,865.64

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

2 hospital and facility affiliations

  1. Emergency And Acute Care Medical CorporationSan Diego, CA
  2. Pacific Eye Institute A Medical Group IncSan Diego, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Cornea and External Diseases Specialist Physician providers in California

There are 46 cornea and external diseases specialist physician records in California.

Other cornea and external diseases specialist physician records in California

  1. Rakhi Ammar, MDLa Jolla, CA1285138503
  2. Patricia Bainter, MDLa Jolla, CA1487737847
  3. Brandon Bates, MDOrange, CA1376288274
  4. Clemence Bonnet, MD, PHDLos Angeles, CA1861256547
  5. Shyamanga Borooah, MDSan Diego, CA1275165102
  6. Clement Cheng, MDStanford, CA1629065826
  7. Daniel Choi, MDWest Hills, CA1679078216
  8. Joanne Choi, MDSan Francisco, CA1063041838
  9. Michael Choi, M.D.Buena Park, CA1871912279
  10. Adam Dao, MDSan Diego, CA1770870446

Common questions

What is Carla Berkowitz's NPI number?

Carla Berkowitz's National Provider Identifier (NPI) is 1578928669, issued on Dec 16, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Carla Berkowitz located?

The NPPES record lists a practice address at 3939 3RD Ave, San Diego, CA, 92103. Phone: (800) 765-2737. Providers update this record themselves, so call before visiting.

How can I verify Carla Berkowitz's license?

NPPES lists California license number A187413, 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 Carla Berkowitz prescribe under Medicare Part D?

In 2024, Carla Berkowitz had 1,042 Medicare Part D claims for 308 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,306. Part D covers Medicare prescriptions only.

What is Carla Berkowitz's Medicare quality score?

The 2023 MIPS final score is 74.6 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.