Dr. Chi Y. Lam, MD
- Medicare services, 2022
- 1,353
- Part D claims, 2023
- 102
- Industry payments
- $147
- Affiliated sites
- 1
- Insurance carriers
- 3
- Practice address
- 223 N Garfield Ave, Monterey Park, CA 91754-1700
- Practice phone
- Call (626) 571-4013
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chi Lam MD Internal Medicine
Physician office · Monterey Park, California
Find Dr. Lam's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Chi Y. Lam is an internist in Alhambra, California
Dr. Lam practices at Chi Lam MD Internal Medicine in Monterey Park, California.
Dr. Lam's NPI, 1205843778, was assigned on August 1, 2006. Dr. Lam graduated from National Taiwan University College of Medicine in 1977. Dr. Lam's California license number on file is A39312.
- NPI
- 1205843778NPI Registry (opens in a new tab)
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Practice phone
- (626) 571-4013
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Chi Y. Lam practices in Monterey Park and Alhambra
Dr. Lam's primary practice is Chi Lam MD Internal Medicine, at 223 N Garfield Ave, Monterey Park, CA 91754-1700. The practice phone is (626) 571-4013. The NPI Registry lists Dr. Lam's practice address as 103 N Garfield Ave, Alhambra, CA 91801.
- Chi Lam MD Internal MedicinePrimary223 N Garfield Ave, Monterey Park, CA 91754-1700Phone(626) 571-4013
- NPI Registry address103 N Garfield Ave, Alhambra, CA 91801 · Los Angeles CountyPhone(626) 571-4013
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Chi Y. Lam is affiliated with 1 site of care
Dr. Lam's primary practice is Chi Lam MD Internal Medicine in Monterey Park, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chi Y. 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 |
|---|---|
| Chi Lam MD Internal Medicine | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chi Y. Lam is one of 16,751 internists in California
Internal medicine is Dr. Lam's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lam is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Lam's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Illinois license
Internists near Dr. Lam
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. Chi Y. Lam billed Medicare for 1,353 services in 2022
CMS data shows 1,353 Medicare services from Dr. Lam across 11 procedure codes in 2022. Medicare paid $117,681 for them.
Dr. Lam's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2,1752022: 1,34138%
- Other services
- 2021: 322022: 1263%
Where Dr. Lam's Medicare services took place, 2022
- In an office32124%
- In a facility1,03276%
Dr. Lam compared with the California median for internists, 2022
- Dr. Lam
- California median
- Medicare services
- 1,353vs 3613.7 times
- Part D claims
- 102vs 42176% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Lam's most billed Medicare procedure codes, 2022
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 internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chi Y. Lam's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Lam's median patient age at 71, with 71% women.
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 71
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Chi Y. Lam wrote 102 Medicare Part D claims in 2023
In 2023, Dr. Lam wrote 102 Medicare Part D claims. They cover 4 drugs, with $1,928 in total drug cost. In 2022, CMS named 666 claims across 21 drugs.
Dr. Lam's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 6662023: 10285%
Drugs named by CMS: 4 in 2023, 21 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Chi Y. Lam received $147 in industry payments in 2018
CMS Open Payments shows 2 general payments to Dr. Lam from 2 drug and device companies in 2018. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $124.
Companies that paid Dr. Lam the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chi Y. Lam graduated from National Taiwan University College of Medicine
Dr. Lam graduated from National Taiwan University College of Medicine in 1977.
- Medical school
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. Chi Y. Lam accepts plans from 3 insurance carriers
Dr. Lam is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
Plan types Dr. Lam accepts, by number of carriers
- Medicare3
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Chi Y. 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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Chi Y. 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. Chi Y. Lam's NPI number?
Dr. Chi Y. Lam's NPI number is 1205843778. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chi Y. Lam?
Dr. Chi Y. Lam is an internist in Alhambra, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chi Y. Lam practice?
Dr. Lam practices at 223 N Garfield Ave, Monterey Park, CA 91754-1700. Dr. Lam also practices at 103 N Garfield Ave, Alhambra, CA 91801. Dr. Lam's primary practice is Chi Lam MD Internal Medicine in Monterey Park, California.
What is Dr. Chi Y. Lam's office phone number?
The practice phone on file for Dr. Lam is (626) 571-4013.
What is Dr. Chi Y. Lam's medical license number?
Dr. Lam's California license number on file is A39312, one of the licenses on file in 2 states.
Which states has Dr. Chi Y. Lam been licensed in?
Dmand AI has state licenses on file for Dr. Lam in California (1982 to 2025) and Illinois (1980 to 1982).
Does Dr. Chi Y. Lam accept Medicare?
Yes. CMS data shows Dr. Lam billed Medicare for 1,353 services in 2022.
Is Dr. Chi Y. Lam board certified?
Yes. Dr. Lam is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Chi Y. Lam bill to Medicare?
In 2022, Dr. Lam's most billed Medicare services were nursing facility care (99309), hospital inpatient care (99233) and nursing facility care (99308).
Where did Dr. Chi Y. Lam go to medical school?
Dr. Lam graduated from National Taiwan University College of Medicine in 1977.
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What drugs does Dr. Chi Y. Lam prescribe most?
In 2023 Medicare Part D data, Dr. Lam's most prescribed drugs by claims were Albuterol Sulfate, Chlorhexidine Gluconate and Montelukast Sodium.
Has Dr. Chi Y. Lam received payments from drug or device companies?
CMS Open Payments shows $147 in general payments to Dr. Lam from 2 companies from 2018 to 2018. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Chi Y. Lam been practicing?
Dr. Lam graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Chi Y. Lam accept?
Dr. Lam is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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