NPPES file of Aug 9, 2026

Romeo Ng Lim, M.D.

Family Medicine Physician · South San Francisco, CA

Romeo Ng Lim, M.D. is a family medicine physician with a practice address in South San Francisco, California, and NPI 1598726895, issued on Mar 28, 2006. Check the license (California C53960, 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
1598726895
Name
Romeo Ng Lim
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
C53960 CA
MD125579 OR
MD062276L PA
MD60067048 WA
Self-reported in NPPES; status is on the state search
Practice location
1200 EL Camino Real, South San Francisco, CA 94080
Phone
(650) 742-2100
Enumerated
Mar 28, 2006
Record last updated
Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(650) 742-3746
Medicare enrollment
Enrolled (PECOS I20110114000311); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1200 EL Camino Real

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

  1. Leslie Adams, PHARMDPharmacist1902338486
  2. Kristine Aguirre, RRTRegistered Respiratory Therapist1528539996
  3. Lena AlazzehPhysical Therapist1629739859
  4. Kate AlbeePhysical Therapist1053464495
  5. Jason Anderson, MDHospitalist Physician1831277466
  6. Karl Anderson, MDUrology Physician1700964301

Verify Romeo Ng 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 C53960
    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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2.5 times the Medicare Part D claims of the average family medicine physician in 2024

8,706 Medicare Part D claims for 946 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 63 claims were for opioids.

  1. Romeo Lim8,706
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium1,375 claims
  2. Amlodipine Besylate452 claims
  3. Losartan Potassium429 claims
  4. Tamsulosin Hcl354 claims
  5. Lisinopril310 claims
  6. Metoprolol Succinate288 claims

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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSouth San Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Romeo Ng Lim among 17,133 family medicine physician records in California

Romeo Ng Lim, M.D. is one of 17,133 family 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. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1985 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Patricio Barajas, MDSouth San Francisco, CA 940801336879691
  2. Ursula Barghouth, DO MHA MPH CWSP RPVISouth San Francisco, CA 940801346652559
  3. Romeo David, M.D.South San Francisco, CA 940801164463386
  4. Danielle Dondiego, D.O.South San Francisco, CA 940801982947610
  5. Diane Gonzalez, MDSouth San Francisco, CA 940801295813772
  6. James Ha, DOSouth San Francisco, CA 940801215465927
  7. David Hamilton, MDSouth San Francisco, CA 940801942734082
  8. Sarah Kalliath, DOSouth San Francisco, CA 940801477948313

Common questions

What is Romeo Ng Lim, M.D.'s NPI number?

Romeo Ng Lim, M.D.'s National Provider Identifier (NPI) is 1598726895, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Romeo Ng Lim, M.D. located?

The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 742-2100. Providers update this record themselves, so call before visiting.

How can I verify Romeo Ng Lim, M.D.'s license?

NPPES lists California license number C53960, 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 Romeo Ng Lim, M.D. prescribe under Medicare Part D?

In 2024, Romeo Ng Lim, M.D. had 8,706 Medicare Part D claims for 946 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.