Dr. Simon Christopher Lao Lim, MD
- Medicare services, 2024
- 343
- Medicare patients, 2024
- 97
- Part D claims, 2024
- 155
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 26520 Cactus Ave, Moreno Valley, CA 92555
- Practice phone
- Call (951) 486-4458
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverside University Medical Center
Moreno Valley, California
Find Dr. Lim's professional email, personal email and mobile number
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Dr. Simon Christopher Lao Lim is an internist in Moreno Valley, California
Dr. Lim practices at Riverside University Medical Center in Moreno Valley, California.
Dr. Lim's NPI, 1578976593, was assigned on June 6, 2014. Dr. Lim graduated from Tulane School of Medicine in 2014. Dr. Lim holds California license A143236.
- NPI
- 1578976593NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345514345
- NPI enumeration date
- June 6, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 486-4458
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Simon Christopher Lao Lim practices at Riverside University Medical Center in Moreno Valley, California
Dr. Lim's primary practice is Riverside University Medical Center, at 26520 Cactus Ave, Moreno Valley, CA 92555 in Riverside County. The practice phone is (951) 486-4458.
- Riverside University Medical Center26520 Cactus Ave, Moreno Valley, CA 92555 · Riverside CountyPhone(951) 486-4458
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Simon Christopher Lao Lim is affiliated with 2 sites of care and 1 medical group
Dr. Lim's primary practice is Riverside University Medical Center in Moreno Valley, California. Dr. Lim is also affiliated with Riverside University Health System - Medical Center. The medical group on file is Riverside Faculty Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Simon Christopher Lao Lim's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lim practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside University Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Simon Christopher Lao Lim is one of 16,751 internists in California
Internal medicine is Dr. Lim's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lim is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lim is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute stomach ulcer, cellulitis, gastrointestinal inflammation, inflammatory bowel disease (IBD), sepsis, substance abuse and syncope & collapse among the conditions Dr. Lim treats.
Internists near Dr. Lim
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Simon Christopher Lao Lim billed Medicare for 343 services in 2024
CMS data shows 343 Medicare services from Dr. Lim across 5 procedure codes in 2024, for 97 Medicare patients. Medicare paid $24,553 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lim's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2192024: 34357%
Dr. Lim compared with the California median for internists, 2024
- Dr. Lim
- California median
- Medicare services
- 343vs 361Close to median
- Medicare patients
- 97vs 15136% below
- Part D claims
- 12vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Lim's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lim?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lim and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Simon Christopher Lao Lim treated 97 Medicare patients in 2024, average age 71
CMS counts 97 Medicare patients who saw Dr. Lim in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 81% are also on Medicaid. Their average risk score is 3.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lim's median patient age at 62, with 47% women.
Dr. Lim's Medicare patients by age, 2024
Dr. Lim's Medicare patients by sex, 2024
- Women5153%
- Men4647%
Chronic conditions among Dr. Lim's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Diabetes65%
- Heart failure54%
- Arthritis51%
- Mood disorders48%
- Chronic kidney disease44%
- Depression44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lim's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Simon Christopher Lao Lim wrote 155 Medicare Part D claims in 2024
In 2024, Dr. Lim wrote 155 Medicare Part D claims for 46 patients. 85% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $2,024 in total drug cost. In 2018, CMS named 15 claims across 1 drug.
Dr. Lim's Part D claims by kind of drug, 2024
- Generic132 claims85%
- Brand-name and other23 claims15%
Dr. Lim's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lim's Part D claims, 2024
- Antibiotics12%18 of 155 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2018 to 2022
- 2018
- 2022
- Claims for drugs CMS names
- 2018: 152022: 1220%
Drugs named by CMS: 1 in 2022, 1 in 2018.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Simon Christopher Lao Lim scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Lim for performance year 2024, reported as part of a group. Dr. Lim accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lim's MIPS scores, performance year 2024
- 97of 100Final score
- 84.1of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Simon Christopher Lao Lim received $16 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Lim from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $16.
Companies that paid Dr. Lim the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Simon Christopher Lao Lim graduated from Tulane School of Medicine
Dr. Lim graduated from Tulane School of Medicine in 2014.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Simon Christopher Lao Lim accepts plans from 1 insurance carrier
Dr. Lim is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Simon Christopher Lao Lim's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Simon Christopher Lao Lim
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Simon Christopher Lao Lim's NPI number?
Dr. Simon Christopher Lao Lim's NPI number is 1578976593. It was assigned on June 6, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Simon Christopher Lao Lim?
Dr. Simon Christopher Lao Lim is an internist in Moreno Valley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Simon Christopher Lao Lim practice?
Dr. Lim practices at 26520 Cactus Ave, Moreno Valley, CA 92555. Dr. Lim's primary practice is Riverside University Medical Center in Moreno Valley, California.
What is Dr. Simon Christopher Lao Lim's office phone number?
The practice phone on file for Dr. Lim is (951) 486-4458.
What is Dr. Simon Christopher Lao Lim's medical license number?
Dr. Lim holds California license A143236.
Which hospitals is Dr. Simon Christopher Lao Lim affiliated with?
Dr. Lim is affiliated with Riverside University Health System - Medical Center.
What medical group is Dr. Simon Christopher Lao Lim part of?
Dr. Lim is linked to Riverside Faculty Medical Group.
Does Dr. Simon Christopher Lao Lim accept Medicare?
Yes. CMS data shows Dr. Lim billed Medicare for 343 services in 2024, and Dr. Lim accepts Medicare assignment.
What is Dr. Simon Christopher Lao Lim's MIPS score?
Dr. Lim's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Simon Christopher Lao Lim see?
CMS counts 97 Medicare patients who saw Dr. Lim in 2024, with an average age of 71.
Show 7 more questionsShow fewer questions
Is Dr. Simon Christopher Lao Lim board certified?
Yes. Dr. Lim is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Simon Christopher Lao Lim bill to Medicare?
In 2024, Dr. Lim's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Simon Christopher Lao Lim go to medical school?
Dr. Lim graduated from Tulane School of Medicine in 2014.
What drugs does Dr. Simon Christopher Lao Lim prescribe most?
In 2022 Medicare Part D data, Dr. Lim's most prescribed drugs by claims were Ampicillin-Sulbactam.
Has Dr. Simon Christopher Lao Lim received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Lim from 1 company from 2019 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Simon Christopher Lao Lim been practicing?
Dr. Lim graduated from medical school in 2014, 12 years ago.
What insurance does Dr. Simon Christopher Lao Lim accept?
Dr. Lim is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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