NPPES file of Aug 9, 2026

Ping Sim Lim, MD

Internal Medicine Physician · West Covina, CA

Ping Sim Lim, MD is an internal medicine physician with a practice address in West Covina, California, and NPI 1851408009, issued on Aug 24, 2006. Check the license (California A24845, 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
1851408009
Name
Ping Sim Lim
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A24845 CA
Self-reported in NPPES; status is on the state search
Practice location
1433 West Merced Ave, West Covina, CA 91790
Phone
(626) 960-4994
Enumerated
Aug 24, 2006
Record last updated
Aug 21, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(626) 960-4994
Medicaid ID
00A24845018 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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Verify Ping Sim 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 A24845
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

39 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ping Lim39
  2. Specialty average3,176

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.

Ping Sim Lim among 17,696 internal medicine physician records in California

Ping Sim Lim, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 internal medicine physician records list a practice address in West Covina

They are 23 of the 2,450 NPPES records with a practice address in West Covina, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Amitabh Chauhan, M.D.West Covina, CA 917901619925948
  2. Johny Cu, MDWest Covina, CA 917901336223569
  3. Seung Sue Cua, MDWest Covina, CA 917901063513661
  4. Ziad Dabuni, M.D.West Covina, CA 917901851349187
  5. Lina Dela Cruz, MDWest Covina, CA 917901952489858
  6. Anil Gupta, MDWest Covina, CA 917901538182407
  7. Cesar Jimenez, MDWest Covina, CA 917901114099942
  8. Ruth Karunananthan, M.D.West Covina, CA 917901922057256

Common questions

What is Ping Sim Lim, MD's NPI number?

Ping Sim Lim, MD's National Provider Identifier (NPI) is 1851408009, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ping Sim Lim, MD located?

The NPPES record lists a practice address at 1433 West Merced Ave, West Covina, CA, 91790. Phone: (626) 960-4994. Providers update this record themselves, so call before visiting.

How can I verify Ping Sim Lim, MD's license?

NPPES lists California license number A24845, 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 Ping Sim Lim, MD prescribe under Medicare Part D?

In 2024, Ping Sim Lim, MD had 39 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.