NPPES file of Aug 9, 2026

Jon Kitaji, MD

Nephrology Physician · Monterey, CA

Jon Kitaji, MD is a nephrology physician with a practice address in Monterey, California, and NPI 1487792511, issued on Feb 1, 2007. Check the license (California G37680, 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
1487792511
Name
Jon Kitaji
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
G37680 CA
Self-reported in NPPES; status is on the state search
Practice location
757 Pacific Street, Monterey, CA 93940
Phone
(831) 375-6802
Enumerated
Feb 1, 2007
Record last updated
Jul 8, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(831) 375-0958
Medicaid ID
GR0093830 CA
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 757 Pacific Street

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

  1. Jeffrey Chen, M.D.Nephrology Physician1346395704
  2. David Flemming, M.D.Urology Physician1760575468

Verify Jon Kitaji in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G37680
    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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98% fewer Medicare Part D claims than the average nephrology physician in 2024

29 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Jon Kitaji29
  2. Specialty average1,465

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.

Jon Kitaji among 1,468 nephrology physician records in California

Jon Kitaji, MD is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 35% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2011 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Jeffrey Chen, M.D.Monterey, CA 939401346395704
  2. Roshini YapaMonterey, CA 939401205254695
  3. Richard Bloom, MDPebble Beach, CA 939531003189010
  4. Raymond Carrillo, MDSalinas, CA 939011265511273
  5. Pushpa DevulapalliSalinas, CA 939011073176095
  6. Michael Dicus, MDSalinas, CA 939011447339452
  7. Gopal Krishna, MDSalinas, CA 939011073692083
  8. Dennis Phan, MDSalinas, CA 939011437238342

Common questions

What is Jon Kitaji, MD's NPI number?

Jon Kitaji, MD's National Provider Identifier (NPI) is 1487792511, issued on Feb 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jon Kitaji, MD located?

The NPPES record lists a practice address at 757 Pacific Street, Monterey, CA, 93940. Phone: (831) 375-6802. Providers update this record themselves, so call before visiting.

How can I verify Jon Kitaji, MD's license?

NPPES lists California license number G37680, 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 Jon Kitaji, MD prescribe under Medicare Part D?

In 2024, Jon Kitaji, MD had 29 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.