Dr. John Chun Ho Lam, MD
- Medicare services, 2024
- 356
- Medicare patients, 2024
- 161
- Part D claims, 2024
- 82
- MIPS score, 2024
- 88
- Affiliated sites
- 1
- Practice address
- 200 Medical Plaza 5th Floor, Los Angeles, CA 90095-0001
- Practice phone
- Call (310) 794-1901
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ucla Dept Of Medicine
Primary care practice · Los Angeles, California
Find Dr. Lam's professional email, personal email and mobile number
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Dr. John Chun Ho Lam is an infectious disease specialist in Los Angeles, California
Dr. Lam practices at Ucla Dept Of Medicine in Los Angeles, California.
Dr. Lam's NPI, 1003555772, was assigned on June 1, 2022. Dr. Lam graduated from University of Calgary Faculty of Medicine in 2014. Dr. Lam holds California license A179063.
- NPI
- 1003555772NPI Registry (opens in a new tab)
- NPI enumeration date
- June 1, 2022
- NPI status
- Active
- Practice phone
- (310) 794-1901
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Chun Ho Lam practices at 2 locations in Los Angeles, California
Dr. Lam's primary practice is Ucla Dept of Medicine, at 200 Medical Plaza 5th Floor, Los Angeles, CA 90095-0001. The practice phone is (310) 794-1901. The NPI Registry lists Dr. Lam's practice address as 757 Westwood Plz, Los Angeles, CA 90095.
- Ucla Dept of MedicinePrimary200 Medical Plaza 5th Floor, Los Angeles, CA 90095-0001Phone(310) 794-1901
- NPI Registry address757 Westwood Plz, Los Angeles, CA 90095 · Los Angeles CountyPhone(310) 206-7663
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. John Chun Ho Lam is affiliated with 1 site of care and 1 medical group
Dr. Lam's primary practice is Ucla Dept Of Medicine in Los Angeles, California. The medical group on file is UCLA Medical Group.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John Chun Ho Lam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ucla Dept Of Medicine | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Chun Ho Lam is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Lam's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Lam is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Clinical focus
Dmand AI lists acute gastroduodenitis, chronic obstructive pulmonary disease (COPD), fluid and electrolyte imbalances, gastroenteritis, joint or bone infection, joint pain, lyme disease and UTI among the conditions Dr. Lam treats.
Infectious disease specialists near Dr. Lam
Counts of infectious disease specialists 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. John Chun Ho Lam billed Medicare for 356 services in 2024
CMS data shows 356 Medicare services from Dr. Lam across 2 procedure codes in 2024, for 161 Medicare patients. Medicare paid $38,645 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7092024: 35650%
Dr. Lam compared with the California median for infectious disease specialists, 2024
- Dr. Lam
- California median
- Medicare services
- 356vs 42917% below
- Medicare patients
- 161vs 18011% below
- Part D claims
- 59vs 11950% below
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Lam'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lam and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Chun Ho Lam treated 161 Medicare patients in 2024, average age 70
CMS counts 161 Medicare patients who saw Dr. Lam in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 49% are also on Medicaid. Their average risk score is 4.85, 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. Lam's median patient age at 60, with 42% women.
Dr. Lam's Medicare patients by age, 2024
Dr. Lam's Medicare patients by sex, 2024
- Women8553%
- Men7647%
Chronic conditions among Dr. Lam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Diabetes57%
- Heart failure57%
- Anxiety54%
- Ischemic heart disease53%
- Chronic kidney disease52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Chun Ho Lam wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Lam wrote 82 Medicare Part D claims for 16 patients. 96% of them were for generic drugs. CMS names the drug for 59 of them, across 5 drugs with 11 or more claims each, at $1,908 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Dr. Lam's Part D claims by kind of drug, 2024
- Generic79 claims96%
- Brand-name and other3 claims4%
Dr. Lam's most prescribed drugs by claims, 2024
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. Lam's Part D claims, 2024
- Antibiotics48%39 of 82 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 252024: 59136%
Drugs named by CMS: 5 in 2024, 2 in 2023.
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. John Chun Ho Lam scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Lam for performance year 2024, reported as part of a group.
Dr. Lam's MIPS scores, performance year 2024
- 88of 100Final score
- 79.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Chun Ho Lam graduated from University of Calgary Faculty of Medicine
Dr. Lam graduated from University of Calgary Faculty of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John Chun Ho Lam accepts plans from 3 insurance carriers
Dr. Lam is in network with 3 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Lam accepts, by number of carriers
- Medicare3
- PPO3
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Chun Ho Lam'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 | Clinician Public Reporting: Overall MIPS Performance (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. John Chun Ho Lam
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. John Chun Ho Lam's NPI number?
Dr. John Chun Ho Lam's NPI number is 1003555772. It was assigned on June 1, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. John Chun Ho Lam?
Dr. John Chun Ho Lam is an infectious disease specialist in Los Angeles, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. John Chun Ho Lam practice?
Dr. Lam practices at 200 Medical Plaza 5th Floor, Los Angeles, CA 90095-0001. Dr. Lam also practices at 757 Westwood Plz, Los Angeles, CA 90095. Dr. Lam's primary practice is Ucla Dept Of Medicine in Los Angeles, California.
What is Dr. John Chun Ho Lam's office phone number?
The practice phone on file for Dr. Lam is (310) 794-1901.
What is Dr. John Chun Ho Lam's medical license number?
Dr. Lam holds California license A179063.
What medical group is Dr. John Chun Ho Lam part of?
Dr. Lam is linked to UCLA Medical Group.
Does Dr. John Chun Ho Lam accept Medicare?
Yes. CMS data shows Dr. Lam billed Medicare for 356 services in 2024.
What is Dr. John Chun Ho Lam's MIPS score?
Dr. Lam's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. John Chun Ho Lam see?
CMS counts 161 Medicare patients who saw Dr. Lam in 2024, with an average age of 70.
What services does Dr. John Chun Ho Lam bill to Medicare?
In 2024, Dr. Lam's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).
Show 4 more questionsShow fewer questions
Where did Dr. John Chun Ho Lam go to medical school?
Dr. Lam graduated from University of Calgary Faculty of Medicine in 2014.
What drugs does Dr. John Chun Ho Lam prescribe most?
In 2024 Medicare Part D data, Dr. Lam's most prescribed drugs by claims were Azithromycin, Ethambutol HCl and Isoniazid.
How long has Dr. John Chun Ho Lam been practicing?
Dr. Lam graduated from medical school in 2014, 12 years ago.
What insurance does Dr. John Chun Ho Lam accept?
Dr. Lam is in network with 3 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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