NPPES file of Aug 9, 2026

Katiuscha Almeida Merath Reis, MD

Surgery Physician · Santa Monica, CA

Katiuscha Almeida Merath Reis, MD is a surgery physician with a practice address in Santa Monica, California, and NPI 1861055626, issued on Apr 17, 2019. Check the license (California A193914, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861055626
Name
Katiuscha Almeida Merath Reis
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License numbers
A193914 CA
BP10066976 TX
Self-reported in NPPES; status is on the state search
Practice location
2121 Santa Monica Blvd, Santa Monica, CA 90404
Phone
(310) 315-6125
Enumerated
Apr 17, 2019
Record last updated
Dec 17, 2024
Fax
(310) 582-7185
Medicare enrollment
Enrolled (PECOS I20240626002808); 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 2121 Santa Monica Blvd

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

  1. Anabelle AhdootRegistered Dietitian1396283263
  2. Sandra Andrews, RD, CDERegistered Dietitian1427347954
  3. Maia Aronson, P.A.Physician Assistant1861762882
  4. Daniel ArtensteinStudent in an Organized Health Care Education/Training Program1023402310
  5. Bita Azizi, RDRegistered Dietitian1861797839
  6. Karis Barker, M.A.Clinical Psychologist1720566169

Verify Katiuscha Almeida Merath Reis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A193914
    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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Bills Medicare through one group practice

  1. Providence Saint Johns Medical FoundationSanta Monica, CA

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

Katiuscha Almeida Merath Reis among 3,118 surgery physician records in California

Katiuscha Almeida Merath Reis, MD is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 91% of them.

  • NPI issued2019 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2011 · median 2003 among the 1,901 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. Umesh Bhagia, MDSanta Monica, CA 904041568468528
  2. Charles Chandler, MDSanta Monica, CA 904041295842771
  3. David Chen, M.D.Santa Monica, CA 904041760630057
  4. Tracey Childs, MDSanta Monica, CA 904041114999489
  5. Harvey Deutsch, M.D.Santa Monica, CA 904041326102112
  6. Melanie Goldfarb, MDSanta Monica, CA 904041306092564
  7. Janie Gia-Lin Weng Grumley, MDSanta Monica, CA 904041063616142
  8. William Hutchinson, MDSanta Monica, CA 904041770653305

Common questions

What is Katiuscha Almeida Merath Reis, MD's NPI number?

Katiuscha Almeida Merath Reis, MD's National Provider Identifier (NPI) is 1861055626, issued on Apr 17, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katiuscha Almeida Merath Reis, MD located?

The NPPES record lists a practice address at 2121 Santa Monica Blvd, Santa Monica, CA, 90404. Phone: (310) 315-6125. Providers update this record themselves, so call before visiting.

How can I verify Katiuscha Almeida Merath Reis, MD's license?

NPPES lists California license number A193914, 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.

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.