NPPES file of Aug 9, 2026

Keiko Saito, M.D.

Internal Medicine Physician · Carmel, CA

Keiko Saito, M.D. is an internal medicine physician with a practice address in Carmel, California, and NPI 1407080831, issued on May 13, 2009. Check the license (California A125846, 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
1407080831
Name
Keiko Saito
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A125846 CA
Self-reported in NPPES; status is on the state search
Practice location
275 Crossroads Blvd, Carmel, CA 93923
Phone
(831) 718-9701
Enumerated
May 13, 2009
Record last updated
Mar 30, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(831) 886-1529
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 275 Crossroads Blvd

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

  1. Andrew Johnston, MDInternal Medicine Physician1710931019
  2. Eugene Lee, M.D.Psychiatry Physician1215052428
  3. Peter Michas-Martin, M.D.Neurology Physician1033422142
  4. Gediminas Ruibys, M.D.Internal Medicine Physician1932365780

Verify Keiko Saito in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A125846
    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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43% more Medicare Part D claims than the average internal medicine physician in 2024

4,543 Medicare Part D claims for 545 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Keiko Saito4,543
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium413 claims
  2. Levothyroxine Sodium309 claims
  3. Amlodipine Besylate291 claims
  4. Rosuvastatin Calcium214 claims
  5. Losartan Potassium208 claims
  6. Lisinopril142 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.

Industry payments in 2024: $255.84

3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Keiko Saito$255.84
  2. Specialty average$1,303.06

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

Keiko Saito among 17,696 internal medicine physician records in California

Keiko Saito, M.D. is one of 17,696 internal medicine 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 60% of them.

  • NPI issued2009 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2016 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 internal medicine physician records list a practice address in Carmel

They are 12 of the 245 NPPES records with a practice address in Carmel, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jessitasinghna Albert Messiah Dhas, MDCarmel, CA 939231508392911
  2. Carl Bergstrom, MDCarmel, CA 939231407937139
  3. Walter Holz, MDCarmel, CA 939231255443495
  4. Andrew Johnston, MDCarmel, CA 939231710931019
  5. Denise Mark, M.D.Carmel, CA 939231558437004
  6. Matthew NeohCarmel, CA 939231215390935
  7. Roger Newton, M.D.Carmel, CA 939231902270374
  8. Gediminas Ruibys, M.D.Carmel, CA 939231932365780

Common questions

What is Keiko Saito, M.D.'s NPI number?

Keiko Saito, M.D.'s National Provider Identifier (NPI) is 1407080831, issued on May 13, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Keiko Saito, M.D. located?

The NPPES record lists a practice address at 275 Crossroads Blvd, Carmel, CA, 93923. Phone: (831) 718-9701. Providers update this record themselves, so call before visiting.

How can I verify Keiko Saito, M.D.'s license?

NPPES lists California license number A125846, 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 Keiko Saito, M.D. prescribe under Medicare Part D?

In 2024, Keiko Saito, M.D. had 4,543 Medicare Part D claims for 545 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.