NPPES file of Aug 9, 2026

Maria E. Castillejos, M.D.

Ophthalmology Physician · Chula Vista, CA

Maria E. Castillejos, M.D. is an ophthalmology physician with a practice address in Chula Vista, California, and NPI 1043395098, issued on Oct 26, 2006. Check the license (California A37652, 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
1043395098
Name
Maria E. Castillejos
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A37652 CA
Self-reported in NPPES; status is on the state search
Practice location
342 F St, Chula Vista, CA 91910
Phone
(619) 422-1471
Enumerated
Oct 26, 2006
Record last updated
Jul 27, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(619) 422-0450
Medicaid ID
00A376520 CA
Medicare enrollment
Enrolled (PECOS I20091016000127); accepts Medicare assignment
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 342 F St

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

  1. Ketan Bakriwala, O.D.Optometrist1528355872
  2. Duane Bryant, MDOphthalmology Physician1023117124
  3. David Castillejos, M.D.Ophthalmology Physician1558446401
  4. Alexandra Castillejos Ellenthal, MDOphthalmology Physician1144780933
  5. David Ierston-BrownOptometrist1043105315
  6. Kim Kelly, ODOptometrist1629963459

Verify Maria E. Castillejos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A37652
    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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2.5 times the Medicare Part D claims of the average ophthalmology physician in 2024

3,742 Medicare Part D claims for 800 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims. 24 claims were for opioids.

  1. Maria Castillejos3,742
  2. Specialty average1,518

Most prescribed

  1. Latanoprost786 claims
  2. Lumigan497 claims
  3. Dorzolamide-Timolol367 claims
  4. Timolol Maleate244 claims
  5. Xiidra212 claims
  6. Brimonidine Tartrate210 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): 83.9 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 score84.9
  2. Costout of 100 · 30%29.4
  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: $527.92

26 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Castillejos$527.92
  2. Specialty average$4,535.02

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

Bills Medicare through 2 group practices

  1. Castillejos Eye Institute Medical GroupChula Vista, CA
  2. Eye Physicians Medical Surgical CenterChula Vista, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria E. Castillejos among 2,899 ophthalmology physician records in California

Maria E. Castillejos, 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 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
  • Graduated1973 · median 2001 among the 1,907 with a school on file
  • Record last updated2018 · 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. Duane Bryant, MDChula Vista, CA 919101023117124
  2. David Castillejos, M.D.Chula Vista, CA 919101558446401
  3. Alexandra Castillejos Ellenthal, MDChula Vista, CA 919101144780933
  4. Gayle Howard, M.D.Chula Vista, CA 919101306872411
  5. Gary Jacobs, MDChula Vista, CA 919101992772552
  6. Jessica Maslin, M.D.Chula Vista, CA 919101154684553
  7. Robert Penner, MDChula Vista, CA 919101982671541
  8. Sona Shah, MDChula Vista, CA 919101750943403

Common questions

What is Maria E. Castillejos, M.D.'s NPI number?

Maria E. Castillejos, M.D.'s National Provider Identifier (NPI) is 1043395098, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria E. Castillejos, M.D. located?

The NPPES record lists a practice address at 342 F St, Chula Vista, CA, 91910. Phone: (619) 422-1471. Providers update this record themselves, so call before visiting.

How can I verify Maria E. Castillejos, M.D.'s license?

NPPES lists California license number A37652, 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 Maria E. Castillejos, M.D. prescribe under Medicare Part D?

In 2024, Maria E. Castillejos, M.D. had 3,742 Medicare Part D claims for 800 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Maria E. Castillejos, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.9 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.