Dr. Jennifer Haw Lai, MD

  • Oakland, CA
  • Gastroenterologist
NPI1093031155PAC ID4880952076
Medicare services, 2024
185
Medicare patients, 2024
119
Part D claims, 2024
59
Publications
2
MIPS score, 2024
95
Practice address
1411 East 31st Street, Oakland, CA 94602
Practice phone
Call (510) 437-4800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Alameda Health System - Highland Hospital

Hospital · Oakland, California

See all 4 affiliations

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Dr. Jennifer Haw Lai is a gastroenterologist in Oakland, California

Dr. Lai practices at Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County.

Dr. Lai's NPI, 1093031155, was assigned on April 14, 2010. Dr. Lai graduated from New York Medical College in 2010. Dr. Lai's California license number on file is A119776.

NPI and contact details
Medicare PAC ID
4880952076
NPI enumeration date
April 14, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 437-4800
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

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

Dr. Jennifer Haw Lai practices at Alameda Health System - Highland Hospital in Oakland, California

Dr. Lai's primary practice is Alameda Health System - Highland Hospital, at 1411 East 31st Street, Oakland, CA 94602 in Alameda County. The practice phone is (510) 437-4800.

Source: Dmand AI Affiliation Data

Dr. Jennifer Haw Lai is affiliated with 3 sites of care and 1 medical group

Dr. Lai's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dr. Lai is also affiliated with Alameda Hospital. The medical group on file is Alameda Health System. Dmand AI also links Dr. Lai to 1 more community health center, named with a free account. Dr. Lai's employer is on file too: a hospital.

See all 4 affiliations for Dr. Lai

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

Dmand AI tracks the EHR system at Dr. Jennifer Haw Lai's practice

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

EHR by site
SiteEHR vendor and product
Alameda Health System - Highland HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jennifer Haw Lai is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Lai's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lai is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Lai has a license on file in California.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A119776 · 2012 to 2025 · taxonomy 207RG0100X

Clinical focus

Dmand AI lists acid reflux, cirrhosis of the liver, colonoscopy, fatty liver, irritable bowel syndrome (IBS) and upper GI endoscopy among the conditions Dr. Lai treats.

Gastroenterologists near Dr. Lai

Counts of gastroenterologists 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. Jennifer Haw Lai billed Medicare for 185 services in 2024

CMS data shows 185 Medicare services from Dr. Lai across 7 procedure codes in 2024, for 119 Medicare patients. Medicare paid $18,986 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024185
Medicare patients119
Paid by Medicare$18,986
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 342024: 102200%
Surgery
2023: 132024: 43231%
Tests and treatments
2023: 172024: 2971%
Other services
2023: 232024: 1152%

Dr. Lai compared with the California median for gastroenterologists, 2024

  • Dr. Lai
  • California median
Medicare services
185vs 58668% below
Medicare patients
119vs 30261% below
Part D claims
11vs 38097% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Lai'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. Lai

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lai and other gastroenterologists in California.

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

Dr. Jennifer Haw Lai treated 119 Medicare patients in 2024, average age 70

CMS counts 119 Medicare patients who saw Dr. Lai in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 1.80, 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. Lai's median patient age at 56, with 54% women.

Medicare patients, 2024119
Average age70
Average risk score1.80

Dr. Lai's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Lai's Medicare patients by sex, 2024

  • Women6555%
  • Men5445%

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

  1. High blood pressure75%
  2. High cholesterol63%
  3. Diabetes45%
  4. Chronic kidney disease34%
  5. Arthritis32%
  6. Mood disorders26%
  7. Anxiety25%
  8. Atrial fibrillation25%

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

Dr. Lai's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women54%
  • Men44%

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

Dr. Jennifer Haw Lai wrote 59 Medicare Part D claims in 2024

In 2024, Dr. Lai wrote 59 Medicare Part D claims for 32 patients. 83% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $131 in total drug cost. In 2023, CMS named 24 claims across 1 drug.

Part D claims, 202459
Drugs named by CMS1
Total drug cost$131
Part D patients32

Dr. Lai's Part D claims by kind of drug, 2024

  • Generic49 claims83%
  • Brand-name and other10 claims17%

Dr. Lai'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 242024: 1154%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Lai

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. Jennifer Haw Lai scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Lai for performance year 2024, reported as part of a group. Dr. Lai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 56 procedures of colonoscopy by Dr. Lai, more than 66% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Lai's MIPS scores, performance year 2024

  • 95of 100Final score
  • 86.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Lai ranks in Medicare procedure volume

Colonoscopy
66th percentile56 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
60th percentile40 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Jennifer Haw Lai has 2 publications on record

Dmand AI links 2 papers to Dr. Lai, published from 2015 to 2017. Dr. Lai has published most often in Gastrointest Endosc. Dr. Lai's most frequent co-author is Hubert Y. Luu, MD.

Papers2
Years published2015 to 2017

Dr. Lai's most frequent co-authors

Recent publications by Dr. Lai

See all 2 publications and co-authors

See who Dr. Lai researches with

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

How network discovery works

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

Dr. Jennifer Haw Lai received $579 in industry payments from 2016 to 2025

CMS Open Payments shows 10 general payments to Dr. Lai from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $424.

General payments to Dr. Lai by program year, 2016 to 2025

Companies that paid Dr. Lai the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lai

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

Dr. Jennifer Haw Lai graduated from New York Medical College

Dr. Lai graduated from New York Medical College in 2010.

  1. Medical schoolNew York Medical College
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Jennifer Haw Lai accepts plans from 11 insurance carriers

Dr. Lai is in network with 11 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Aetna
  • Alliant Health Plans
  • +3 more carriersWith a free account

Plan types Dr. Lai accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. HMO5
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Jennifer Haw Lai'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)
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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Jennifer Haw Lai

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. Jennifer Haw Lai's NPI number?

Dr. Jennifer Haw Lai's NPI number is 1093031155. It was assigned on April 14, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Jennifer Haw Lai?

Dr. Jennifer Haw Lai is a gastroenterologist in Oakland, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Jennifer Haw Lai practice?

Dr. Lai practices at 1411 East 31st Street, Oakland, CA 94602. Dr. Lai's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dmand AI also links Dr. Lai to 1 community health center.

What is Dr. Jennifer Haw Lai's office phone number?

The practice phone on file for Dr. Lai is (510) 437-4800.

What is Dr. Jennifer Haw Lai's medical license number?

Dr. Lai's California license number on file is A119776.

Which hospitals is Dr. Jennifer Haw Lai affiliated with?

Dr. Lai practices at Alameda Health System - Highland Hospital in Oakland, California. Dr. Lai is also affiliated with Alameda Hospital.

What medical group is Dr. Jennifer Haw Lai part of?

Dr. Lai is linked to Alameda Health System.

Does Dr. Jennifer Haw Lai accept Medicare?

Yes. CMS data shows Dr. Lai billed Medicare for 185 services in 2024, and Dr. Lai accepts Medicare assignment.

What is Dr. Jennifer Haw Lai's MIPS score?

Dr. Lai's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

How many Medicare patients does Dr. Jennifer Haw Lai see?

CMS counts 119 Medicare patients who saw Dr. Lai in 2024, with an average age of 70.

Show 9 more questionsShow fewer questions

Is Dr. Jennifer Haw Lai board certified?

Yes. Dr. Lai is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Jennifer Haw Lai bill to Medicare?

In 2024, Dr. Lai's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and digestive system test (91200).

Where did Dr. Jennifer Haw Lai go to medical school?

Dr. Lai graduated from New York Medical College in 2010.

What drugs does Dr. Jennifer Haw Lai prescribe most?

In 2024 Medicare Part D data, Dr. Lai's most prescribed drugs by claims were Omeprazole.

Has Dr. Jennifer Haw Lai received payments from drug or device companies?

CMS Open Payments shows $579 in general payments to Dr. Lai from 3 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Jennifer Haw Lai been practicing?

Dr. Lai graduated from medical school in 2010, 16 years ago.

Does Dr. Jennifer Haw Lai do research?

Dmand AI links 2 publications to Dr. Lai, published from 2015 to 2017.

Who does Dr. Jennifer Haw Lai publish with?

Dr. Lai's most frequent co-authors are Hubert Y. Luu, MD (1 shared paper).

What insurance does Dr. Jennifer Haw Lai accept?

Dr. Lai is in network with 11 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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