Francis Lam

  • Stockton, CA
  • Internist
NPI1952677445PAC ID1153638804
Medicare services, 2024
46
Medicare patients, 2024
42
Part D claims, 2024
1,163
Publications
3
Hospital affiliations
1
Practice address
7373 West Ln, Stockton, CA 95210
Practice phone
Call (209) 476-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Stockton, California

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Francis Lam is an internist in Stockton, California

Francis Lam practices at Permanente Medical Group Inc in Stockton, California.

Francis Lam's NPI, 1952677445, was assigned on March 28, 2012. Francis Lam graduated from University of Arkansas For Medical Sciences College of Medicine in 2012. Francis Lam holds California license A126870.

NPI and contact details
Medicare PAC ID
1153638804
NPI enumeration date
March 28, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(209) 476-2000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Francis Lam practices at Permanente Medical Group Inc in Stockton, California

Francis Lam's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.

  • Permanente Medical Group Inc
    7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Francis Lam is affiliated with 3 sites of care and 1 medical group

Francis Lam's primary practice is Permanente Medical Group Inc in Stockton, California. Francis Lam is also affiliated with Kaiser Permanente South Sacramento Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Francis Lam to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Francis Lam

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Francis Lam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Francis Lam practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Permanente Medical Group IncAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Francis Lam is one of 16,751 internists in California

Internal medicine is Francis Lam's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Francis Lam is board certified in critical care medicine by the American Board of Internal Medicine. Francis Lam is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A126870 · 2013 to 2027 · taxonomy 207R00000X

Clinical focus

Dmand AI lists chronic hypertension, chronic kidney disease and pulmonary fibrosis among the conditions Francis Lam treats.

Internists near Francis 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

Francis Lam billed Medicare for 46 services in 2024

CMS data shows 46 Medicare services from Francis Lam across 2 procedure codes in 2024, for 42 Medicare patients. Medicare paid $5,459 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202446
Medicare patients42
Paid by Medicare$5,459
Procedure codes2

Francis Lam's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 492024: 466%

Francis Lam compared with the California median for internists, 2024

  • Francis Lam
  • California median
Medicare services
46vs 36187% below
Medicare patients
42vs 15172% below
Part D claims
1,052vs 4212.5 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Francis 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.

See all procedures by Francis Lam

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Francis Lam treated 42 Medicare patients in 2024, average age 68

CMS counts 42 Medicare patients who saw Francis Lam in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 62% have high cholesterol. Their average risk score is 2.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Francis Lam's median patient age at 67, with 52% women.

Medicare patients, 202442
Average age68
Average risk score2.92

Francis Lam's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Francis Lam's Medicare patients by sex, 2024

  • Women1843%
  • Men2457%

Chronic conditions among Francis Lam's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol62%
  3. Heart failure52%
  4. Arthritis50%
  5. COPD50%
  6. Diabetes50%
  7. Ischemic heart disease43%
  8. Mood disorders38%

Share of Medicare patients with each condition. A patient can have several.

Francis 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 67

Patient panel by sex, all payers

  • Women52%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Francis Lam wrote 1,163 Medicare Part D claims in 2024

In 2024, Francis Lam wrote 1,163 Medicare Part D claims for 193 patients. CMS names the drug for 1,052 of them, across 24 drugs with 11 or more claims each, at $519,672 in total drug cost. In 2023, CMS named 1,043 claims across 19 drugs.

Part D claims, 20241,163
Drugs named by CMS24
Total drug cost$519,672
Part D patients193

Francis 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 Francis Lam's Part D claims, 2024

  • Antibiotics5%56 of 1,163 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: 1,0432024: 1,0521%

Drugs named by CMS: 24 in 2024, 19 in 2023.

See all prescribing by Francis Lam

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

How Francis Lam takes part in Medicare

Francis Lam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Francis Lam has 3 publications on record

Dmand AI links 3 papers to Francis Lam in 2012. 2012 was the busiest year, with 2. The most frequent topics are Dexmedetomidine and Hypnotics and Sedatives. Francis Lam has published most often in Pediatr Cardiol. Francis Lam's most frequent co-authors are Adnan Bhutta, MD, Elizabeth A. Frazier, MD and Aaron J. Kelkhoff, MD.

Papers3

Topics Francis Lam writes about most

  • Dexmedetomidine
  • Hypnotics and Sedatives

Francis Lam's most frequent co-authors

Recent publications by Francis Lam

See all 3 publications and co-authors

See who Francis Lam researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Francis Lam works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Francis Lam received $401 in industry payments from 2018 to 2025

CMS Open Payments shows 4 general payments to Francis Lam from 3 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $235.

General payments to Francis Lam by program year, 2018 to 2025

Companies that paid Francis Lam the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Francis Lam

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Francis Lam graduated from University of Arkansas For Medical Sciences College of Medicine

Francis Lam graduated from University of Arkansas For Medical Sciences College of Medicine in 2012.

  1. Medical schoolUniversity of Arkansas For Medical Sciences College of Medicine
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in pulmonary diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Francis Lam accepts plans from 6 insurance carriers

Francis Lam is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Francis Lam accepts, by number of carriers

  1. Medicare5
  2. PPO4
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Francis Lam's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Francis 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 Francis Lam's NPI number?

Francis Lam's NPI number is 1952677445. It was assigned on March 28, 2012, and it is active in the NPI Registry.

What does Francis Lam specialize in?

Francis Lam is an internist in Stockton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Francis Lam practice?

Francis Lam practices at 7373 West Ln, Stockton, CA 95210. Francis Lam's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Francis Lam to 1 group practice or clinic.

What is Francis Lam's office phone number?

The practice phone on file for Francis Lam is (209) 476-2000.

What is Francis Lam's medical license number?

Francis Lam holds California license A126870.

Which hospitals is Francis Lam affiliated with?

Francis Lam is affiliated with Kaiser Permanente South Sacramento Medical Center.

What medical group is Francis Lam part of?

Francis Lam is linked to The Permanente Medical Group, Inc.

Does Francis Lam accept Medicare?

Yes. CMS data shows Francis Lam billed Medicare for 46 services in 2024, and Francis Lam accepts Medicare assignment.

How many Medicare patients does Francis Lam see?

CMS counts 42 Medicare patients who saw Francis Lam in 2024, with an average age of 68.

Is Francis Lam board certified?

Yes. Francis Lam is board certified in critical care medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Francis Lam bill to Medicare?

In 2024, Francis Lam's most billed Medicare services were critical care (99291) and hospital inpatient care (99232).

Where did Francis Lam go to medical school?

Francis Lam graduated from University of Arkansas For Medical Sciences College of Medicine in 2012.

What drugs does Francis Lam prescribe most?

In 2024 Medicare Part D data, Francis Lam's most prescribed drugs by claims were Albuterol Sulfate Hfa, Advair Hfa and Spiriva Respimat.

Has Francis Lam received payments from drug or device companies?

CMS Open Payments shows $401 in general payments to Francis Lam from 3 companies from 2018 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Francis Lam been practicing?

Francis Lam graduated from medical school in 2012, 14 years ago.

Does Francis Lam do research?

Dmand AI links 3 publications to Francis Lam.

Who does Francis Lam publish with?

Francis Lam's most frequent co-authors are Adnan Bhutta, MD (1 shared paper), Elizabeth A. Frazier, MD (1 shared paper) and Aaron J. Kelkhoff, MD (1 shared paper).

What insurance does Francis Lam accept?

Francis Lam is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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