NPPES file of Aug 9, 2026

Imelda Tan Tanchoco, M.D.

Pediatrics Physician · Walnut, CA

Imelda Tan Tanchoco, M.D. is a pediatrics physician with a practice address in Walnut, California, and NPI 1043546112, issued on Oct 26, 2009. Check the license (California A106359, 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
1043546112
Name
Imelda Tan Tanchoco
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
A106359 CA
Self-reported in NPPES; status is on the state search
Practice location
21324 Stockton Pass RD, Walnut, CA 91789
Phone
(626) 233-4964
Enumerated
Oct 26, 2009
Record last updated
Oct 26, 2009 (not updated in 17 years: call before relying on the address or phone)
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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Verify Imelda Tan Tanchoco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A106359
    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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Industry payments in 2024: $78.31

3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Imelda Tanchoco$78.31
  2. Specialty average$842.05

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

Imelda Tan Tanchoco among 9,272 pediatrics physician records in California

Imelda Tan Tanchoco, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 61% of them.

  • NPI issued2009 · 61% of these records are older, 37% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2009 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in California

There are 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Tiffany Nguyen, MD, MSDiamond Bar, CA 917891356083927
  2. Monica Trinidad, MDWalnut, CA 917891710225396
  3. Kamel Azmy, M.D.West Covina, CA 917901679522270
  4. Rosa Cu, MDWest Covina, CA 917901417031642
  5. Miguel Domingo, M.D.West Covina, CA 917901538248166
  6. Emil Dominguez, M.DWest Covina, CA 917901992867766
  7. Santosh Garg, MDWest Covina, CA 917901093772659
  8. Harbhajan Hanjan, MDWest Covina, CA 917901336227594

Common questions

What is Imelda Tan Tanchoco, M.D.'s NPI number?

Imelda Tan Tanchoco, M.D.'s National Provider Identifier (NPI) is 1043546112, issued on Oct 26, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Imelda Tan Tanchoco, M.D. located?

The NPPES record lists a practice address at 21324 Stockton Pass RD, Walnut, CA, 91789. Phone: (626) 233-4964. Providers update this record themselves, so call before visiting.

How can I verify Imelda Tan Tanchoco, M.D.'s license?

NPPES lists California license number A106359, 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.