NPPES file of Aug 9, 2026

Cristina Chua-Lim, MD

Pediatrics Physician · Walnut Creek, CA

Cristina Chua-Lim, MD is a pediatrics physician with a practice address in Walnut Creek, California, and NPI 1487765756, issued on Aug 31, 2006. Check the license (California A046305, 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
1487765756
Name
Cristina Chua-Lim
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
A046305 CA
Self-reported in NPPES; status is on the state search
Practice location
1822 San Miguel Dr, Walnut Creek, CA 94596
Phone
(925) 945-3580
Enumerated
Aug 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 934-0471
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 1822 San Miguel Dr

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

  1. Kevin Hoang, MDPediatrics Physician1366947202
  2. Montgomery Kong, MDPediatrics Physician1942219928

Verify Cristina Chua-Lim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A046305
    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: $29.51

1 payment: 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. Cristina Chua-Lim$29.51
  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.

Cristina Chua-Lim among 9,272 pediatrics physician records in California

Cristina Chua-Lim, MD 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 56% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2007 · 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).

57 pediatrics physician records list a practice address in Walnut Creek

They are 57 of the 6,170 NPPES records with a practice address in Walnut Creek, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Katharine Brown, M.D.Walnut Creek, CA 945961962456707
  2. S. Ming Chang, M.D.Walnut Creek, CA 945961114996618
  3. Steven Dinstell, MDWalnut Creek, CA 945961659459717
  4. Cathy Dugan, MDWalnut Creek, CA 945961003994591
  5. Kirk Hahn, MDWalnut Creek, CA 945961952489015
  6. Charles Hanson, M.D.Walnut Creek, CA 945961245243567
  7. Dorothy Hassler, MDWalnut Creek, CA 945961992883078
  8. Montgomery Kong, MDWalnut Creek, CA 945961942219928

Common questions

What is Cristina Chua-Lim, MD's NPI number?

Cristina Chua-Lim, MD's National Provider Identifier (NPI) is 1487765756, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cristina Chua-Lim, MD located?

The NPPES record lists a practice address at 1822 San Miguel Dr, Walnut Creek, CA, 94596. Phone: (925) 945-3580. Providers update this record themselves, so call before visiting.

How can I verify Cristina Chua-Lim, MD's license?

NPPES lists California license number A046305, 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.