Dr. Maggie Mei Kei Lam, MD

  • Stanford, CA
  • Pathologist
NPI1659483550PAC ID7517013634
Medicare services, 2024
2,445
Medicare patients, 2024
676
Publications
10
MIPS score, 2024
89
Hospital affiliations
3
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 5 affiliations

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Dr. Maggie Mei Kei Lam is a pathologist in Stanford, California

Dr. Lam practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Lam's NPI, 1659483550, was assigned on August 31, 2006. Dr. Lam graduated from UCSF School of Medicine in 2003. Dr. Lam holds California license A99562.

NPI and contact details
Medicare PAC ID
7517013634
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
49
Medical school graduation
2003

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

Dr. Maggie Mei Kei Lam practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Lam's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Maggie Mei Kei Lam is affiliated with 3 sites of care and 2 medical groups

Dr. Lam's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Lam is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Lam to 1 more hospital and 1 medical group, each named with a free account. Dr. Lam's employer is on file too: a hospital.

See all 5 affiliations for Dr. Lam

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Maggie Mei Kei Lam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lam practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Maggie Mei Kei Lam is one of 1,354 pathologists in California

Anatomic pathology and clinical pathology is Dr. Lam's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Lam is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology. Dmand AI has Dr. Lam's licenses on file in 2 states: California and Washington.

Specialties and state licenses

  • Anatomic pathology and clinical pathology, CaliforniaPrimaryLicense A99562 · 2007 to 2027 · taxonomy 207ZP0102X
  • Washington license2005 to 2009

Pathologists near Dr. Lam

Counts of pathologists 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. Maggie Mei Kei Lam billed Medicare for 2,445 services in 2024

CMS data shows 2,445 Medicare services from Dr. Lam across 8 procedure codes in 2024, for 676 Medicare patients. Medicare paid $83,597 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20242,445
Medicare patients676
Paid by Medicare$83,597
Procedure codes8

Dr. Lam's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 1,2412024: 2,44597%

Dr. Lam compared with the California median for pathologists, 2024

  • Dr. Lam
  • California median
Medicare services
2,445vs 1,1532.1 times
Medicare patients
676vs 44751% above

Medians across 1,094 pathologists 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.

See all procedures by Dr. Lam

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

Dr. Maggie Mei Kei Lam treated 676 Medicare patients in 2024, average age 73

CMS counts 676 Medicare patients who saw Dr. Lam in 2024. The largest group is 65 to 74, with 364 patients. 74% of them have high cholesterol, and 64% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lam's median patient age at 54, with 57% women.

Medicare patients, 2024676
Average age73
Average risk score1.26
Also on Medicaid21%

Dr. Lam's Medicare patients by age, 2024

Dr. Lam's Medicare patients by sex, 2024

  • Women44165%
  • Men23535%

Chronic conditions among Dr. Lam's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure64%
  3. Arthritis39%
  4. Cancer32%
  5. Diabetes26%
  6. Osteoporosis26%
  7. Ischemic heart disease22%
  8. Mood disorders22%

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 54

Patient panel by sex, all payers

  • Women57%
  • Men41%

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

Dr. Maggie Mei Kei Lam scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Lam for performance year 2024, reported as part of a group. Dr. Lam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Lam's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 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. Maggie Mei Kei Lam has 10 publications on record

Dmand AI links 10 papers to Dr. Lam, published from 2006 to 2014. The most frequent topics are Diagnosis, Differential and Immunohistochemistry. Dr. Lam's most frequent co-authors are Andrew W. Bollen, MD, Robert V. Farese, MD and Sanjay Kakar, MD.

Papers10
Years published2006 to 2014

Dr. Lam's papers by year, 2006 to 2014

Topics Dr. Lam writes about most

  • Diagnosis, Differential
  • Immunohistochemistry

Dr. Lam's most frequent co-authors

Recent publications by Dr. Lam

See all 10 publications and co-authors

See who Dr. Lam researches with

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

How network discovery works

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

Dr. Maggie Mei Kei Lam received $64 in industry payments from 2023 to 2025

CMS Open Payments shows 3 general payments to Dr. Lam from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. bioMerieux paid the most, $43.

General payments to Dr. Lam by program year, 2023 to 2025

Companies that paid Dr. Lam the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lam

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

Dr. Maggie Mei Kei Lam graduated from UCSF School of Medicine

Dr. Lam graduated from UCSF School of Medicine in 2003.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in pathology - anatomic/pathology - clinicalAmerican Board of Pathology

Source: Dmand AI Professional Profile Data

Dr. Maggie Mei Kei Lam accepts plans from 5 insurance carriers

Dr. Lam is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and CMS Medicare. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • United Healthcare
  • Aspirus Health Plan
  • CMS Medicare
  • Elevance
  • HCSC

Plan types Dr. Lam accepts, by number of carriers

  1. PPO3
  2. Medicare2
  3. POS2
  4. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Maggie Mei Kei 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Dr. Maggie Mei Kei 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. Maggie Mei Kei Lam's NPI number?

Dr. Maggie Mei Kei Lam's NPI number is 1659483550. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Maggie Mei Kei Lam?

Dr. Maggie Mei Kei Lam is a pathologist in Stanford, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).

Where does Dr. Maggie Mei Kei Lam practice?

Dr. Lam practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Lam's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Lam to 1 hospital and 1 medical group.

What is Dr. Maggie Mei Kei Lam's office phone number?

The practice phone on file for Dr. Lam is (650) 723-4000.

What is Dr. Maggie Mei Kei Lam's medical license number?

Dr. Lam holds California license A99562, one of the licenses on file in 2 states.

Which states has Dr. Maggie Mei Kei Lam been licensed in?

Dmand AI has state licenses on file for Dr. Lam in California (2007 to 2027) and Washington (2005 to 2009).

Which hospitals is Dr. Maggie Mei Kei Lam affiliated with?

Dr. Lam practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Lam is also affiliated with Stanford Health Care Tri-Valley. Dmand AI links Dr. Lam to 1 more hospital.

What medical group is Dr. Maggie Mei Kei Lam part of?

Dr. Lam is linked to Stanford Health Care. Dmand AI links Dr. Lam to 1 more medical group.

Does Dr. Maggie Mei Kei Lam accept Medicare?

Yes. CMS data shows Dr. Lam billed Medicare for 2,445 services in 2024, and Dr. Lam accepts Medicare assignment.

What is Dr. Maggie Mei Kei Lam's MIPS score?

Dr. Lam's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Maggie Mei Kei Lam see?

CMS counts 676 Medicare patients who saw Dr. Lam in 2024, with an average age of 73.

Is Dr. Maggie Mei Kei Lam board certified?

Yes. Dr. Lam is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology.

What services does Dr. Maggie Mei Kei Lam bill to Medicare?

In 2024, Dr. Lam's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88342) and lab and pathology test (88341).

Where did Dr. Maggie Mei Kei Lam go to medical school?

Dr. Lam graduated from UCSF School of Medicine in 2003.

Has Dr. Maggie Mei Kei Lam received payments from drug or device companies?

CMS Open Payments shows $64 in general payments to Dr. Lam from 2 companies from 2023 to 2025. The largest total came from bioMerieux.

How long has Dr. Maggie Mei Kei Lam been practicing?

Dr. Lam graduated from medical school in 2003, 23 years ago.

Does Dr. Maggie Mei Kei Lam do research?

Dmand AI links 10 publications to Dr. Lam, published from 2006 to 2014.

Who does Dr. Maggie Mei Kei Lam publish with?

Dr. Lam's most frequent co-authors are Andrew W. Bollen, MD (1 shared paper), Robert V. Farese, MD (1 shared paper) and Sanjay Kakar, MD (1 shared paper).

What insurance does Dr. Maggie Mei Kei Lam accept?

Dr. Lam is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and CMS Medicare. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

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