NPPES file of Aug 9, 2026

Theodore Ira Kloth, M.D.

Emergency Medicine Physician · Walnut Creek, CA

Theodore Ira Kloth, M.D. is an emergency medicine physician with a practice address in Walnut Creek, California, and NPI 1043234065, issued on Jul 26, 2006. Check the license (California A42548, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043234065
Name
Theodore Ira Kloth
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A42548 CA
Self-reported in NPPES; status is on the state search
Practice location
1601 Ygnacio Valley RD, Walnut Creek, CA 94598
Phone
(925) 939-3000
Enumerated
Jul 26, 2006
Record last updated
Nov 7, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00G251510 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 1601 Ygnacio Valley RD

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

  1. Christine Abboud, D.O.Anesthesiology Physician1174901508
  2. Amy Aiyegbusi, IBCLCLactation Consultant (Registered Nurse)1275204067
  3. Alina AndradePhysician Assistant1114416773
  4. Radhika Annadata, MDAnesthesiology Physician1255379624
  5. Kirkman Beckwith, MDAnesthesiology Physician1073551057
  6. Stacie Bennett, MDNeonatal-Perinatal Medicine Physician1982660080

Verify Theodore Ira Kloth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A42548
    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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Theodore Ira Kloth among 7,751 emergency medicine physician records in California

Theodore Ira Kloth, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2007 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

95 emergency medicine physician records list a practice address in Walnut Creek

They are 95 of the 6,170 NPPES records with a practice address in Walnut Creek, and 7,751 emergency medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. David Birdsall, M.D.Walnut Creek, CA 945981164445615
  2. Daniel Buhler, M.D.Walnut Creek, CA 945981710908983
  3. Timothy Drazek, M.D.Walnut Creek, CA 945981336155795
  4. Paul Freitas, M.D.Walnut Creek, CA 945981558385641
  5. Alice Hunter, M.D.Walnut Creek, CA 945981023032125
  6. Malcolm Johnson, MDWalnut Creek, CA 945981003830316
  7. Andrew Kives, M.D.Walnut Creek, CA 945981972524007
  8. Theophile Koury, M.D.Walnut Creek, CA 945981568483691

Common questions

What is Theodore Ira Kloth, M.D.'s NPI number?

Theodore Ira Kloth, M.D.'s National Provider Identifier (NPI) is 1043234065, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Theodore Ira Kloth, M.D. located?

The NPPES record lists a practice address at 1601 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (925) 939-3000. Providers update this record themselves, so call before visiting.

How can I verify Theodore Ira Kloth, M.D.'s license?

NPPES lists California license number A42548, 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. 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.