NPPES file of Aug 9, 2026

Montgomery Lawton Kong, MD

Pediatrics Physician · Walnut Creek, CA

Montgomery Lawton Kong, MD is a pediatrics physician with a practice address in Walnut Creek, California, and NPI 1942219928, issued on Aug 7, 2006. Check the license (California G46546, 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
1942219928
Name
Montgomery Lawton Kong
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
G46546 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 7, 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.
Download card Updates feed

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. Cristina Chua-Lim, MDPediatrics Physician1487765756
  2. Kevin Hoang, MDPediatrics Physician1366947202

Verify Montgomery Lawton Kong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G46546
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% fewer Medicare Part D claims than the average pediatrics physician in 2024

12 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.

  1. Montgomery Kong12
  2. Specialty average375

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: $258.01

11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Montgomery Kong$258.01
  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.

Montgomery Lawton Kong among 9,272 pediatrics physician records in California

Montgomery Lawton Kong, 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. Cristina Chua-Lim, MDWalnut Creek, CA 945961487765756
  4. Steven Dinstell, MDWalnut Creek, CA 945961659459717
  5. Cathy Dugan, MDWalnut Creek, CA 945961003994591
  6. Kirk Hahn, MDWalnut Creek, CA 945961952489015
  7. Charles Hanson, M.D.Walnut Creek, CA 945961245243567
  8. Dorothy Hassler, MDWalnut Creek, CA 945961992883078

Common questions

What is Montgomery Lawton Kong, MD's NPI number?

Montgomery Lawton Kong, MD's National Provider Identifier (NPI) is 1942219928, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Montgomery Lawton Kong, 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 Montgomery Lawton Kong, MD's license?

NPPES lists California license number G46546, 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 Montgomery Lawton Kong, MD prescribe under Medicare Part D?

In 2024, Montgomery Lawton Kong, MD had 12 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.