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Peter Yizhi Lai
NPI1346878501PAC ID6204258189
- Medicare services, 2024
- 983
- Medicare patients, 2024
- 305
- Part D claims, 2024
- 270
- Publications
- 4
- Hospital affiliations
- 1
- Practice address
- 2500 Grant Road, Mountain View, CA 94040
- Practice phone
- Call (650) 940-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Peter Lai'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.
Peter Yizhi Lai is an internist in Mountain View, California
Peter Lai practices at El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District.
Peter Lai's NPI, 1346878501, was assigned on March 31, 2020. Peter Lai graduated from Keck School of Medicine of USC in 2020. Peter Lai holds California license A182702.
NPI and contact details
- NPI
- 1346878501NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204258189
- NPI enumeration date
- March 31, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 940-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Peter Yizhi Lai practices at El Camino Health - Mountain View Hospital in Mountain View, California
Peter Lai's primary practice is El Camino Health - Mountain View Hospital, at 2500 Grant Road, Mountain View, CA 94040 in Santa Clara County. The practice phone is (650) 940-7000.
- El Camino Health - Mountain View Hospital2500 Grant Road, Mountain View, CA 94040 · Santa Clara CountyPhone(650) 940-7000
Source: Dmand AI Affiliation Data
Peter Yizhi Lai is affiliated with 3 sites of care and 1 medical group
Peter Lai's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. The medical group on file is Quantum Bay Area Hospitalist Medical Group Inc. Dmand AI also links Peter Lai to 2 more hospital outpatient departments, each named with a free account.
Quantum Bay Area Hospitalist Medical Group Inc2 hospital outpatient departmentsNames with a free account
See all 4 affiliations for Peter LaiSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Peter Yizhi Lai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Peter Lai practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| El Camino Health - Mountain View Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across El Camino Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Peter Yizhi Lai is one of 16,751 internists in California
Internal medicine is Peter Lai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Peter Lai is board certified in internal medicine by the American Board of Internal Medicine. Peter Lai is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Peter Lai
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
16,751internists in California65internists in Mountain View21internists at El Camino Health - Mountain View Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Peter Yizhi Lai billed Medicare for 983 services in 2024
CMS data shows 983 Medicare services from Peter Lai across 4 procedure codes in 2024, for 305 Medicare patients. Medicare paid $84,687 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024983
Medicare patients305
Paid by Medicare$84,687
Procedure codes4
Peter Lai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3302024: 983198%
Peter Lai compared with the California median for internists, 2024
- Peter Lai
- California median
- Medicare services
- 983vs 3612.7 times
- Medicare patients
- 305vs 1512.0 times
- Part D claims
- 61vs 42186% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Peter 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.
Need commercial claims for Peter Lai?
Medicare shows one payer. Book a meeting to get commercial claims data for Peter Lai and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Peter Yizhi Lai treated 305 Medicare patients in 2024, average age 78
CMS counts 305 Medicare patients who saw Peter Lai in 2024. The largest group is 75 to 84, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Peter Lai's median patient age at 67, with 48% women.
Medicare patients, 2024305
Average age78
Average risk score2.70
Also on Medicaid45%
Peter Lai's Medicare patients by age, 2024
Peter Lai's Medicare patients by sex, 2024
- Women14347%
- Men16253%
Chronic conditions among Peter Lai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes51%
- Ischemic heart disease48%
- Atrial fibrillation45%
- Mood disorders45%
- Alzheimer's and dementia44%
- Heart failure43%
Share of Medicare patients with each condition. A patient can have several.
Peter 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 67
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Peter Yizhi Lai wrote 270 Medicare Part D claims in 2024
In 2024, Peter Lai wrote 270 Medicare Part D claims for 113 patients. 87% of them were for generic drugs. CMS names the drug for 61 of them, across 4 drugs with 11 or more claims each, at $270 in total drug cost.
Part D claims, 2024270
Drugs named by CMS4
Total drug cost$270
Part D patients113
Peter Lai's Part D claims by kind of drug, 2024
- Generic235 claims87%
- Brand-name and other35 claims13%
Peter 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.
Drug classes CMS tracks in Peter Lai's Part D claims, 2024
- Opioids5%14 of 270 claims
- Antibiotics24%64 of 270 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 Peter Yizhi Lai takes part in Medicare
Peter Lai 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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Peter Yizhi Lai has 4 publications on record
Dmand AI links 4 papers to Peter Lai, published from 2016 to 2017. Peter Lai has published most often in J Acoust Soc Am.
Papers4
Years published2016 to 2017
Recent publications by Peter Lai
See who Peter Lai researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Peter Lai works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Peter Yizhi Lai received $344 in industry payments from 2022 to 2024
CMS Open Payments shows 3 general payments to Peter Lai from 3 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $125.
General payments to Peter Lai by program year, 2022 to 2024
Companies that paid Peter Lai the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Peter Yizhi Lai graduated from Keck School of Medicine of USC
Peter Lai graduated from Keck School of Medicine of USC in 2020.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Peter Yizhi Lai accepts plans from 1 insurance carrier
Peter Lai is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Peter Yizhi Lai'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Peter Yizhi 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 Peter Yizhi Lai's NPI number?
Peter Yizhi Lai's NPI number is 1346878501. It was assigned on March 31, 2020, and it is active in the NPI Registry.
What does Peter Yizhi Lai specialize in?
Peter Yizhi Lai is an internist in Mountain View, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Peter Yizhi Lai practice?
Peter Lai practices at 2500 Grant Road, Mountain View, CA 94040. Peter Lai's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. Dmand AI also links Peter Lai to 2 hospital outpatient departments.
What is Peter Yizhi Lai's office phone number?
The practice phone on file for Peter Lai is (650) 940-7000.
What is Peter Yizhi Lai's medical license number?
Peter Lai holds California license A182702.
Which hospitals is Peter Yizhi Lai affiliated with?
Peter Lai practices at El Camino Health - Mountain View Hospital in Mountain View, California.
What medical group is Peter Yizhi Lai part of?
Peter Lai is linked to Quantum Bay Area Hospitalist Medical Group Inc.
Does Peter Yizhi Lai accept Medicare?
Yes. CMS data shows Peter Lai billed Medicare for 983 services in 2024, and Peter Lai accepts Medicare assignment.
How many Medicare patients does Peter Yizhi Lai see?
CMS counts 305 Medicare patients who saw Peter Lai in 2024, with an average age of 78.
Is Peter Yizhi Lai board certified?
Yes. Peter Lai is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Peter Yizhi Lai bill to Medicare?
In 2024, Peter Lai's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Peter Yizhi Lai go to medical school?
Peter Lai graduated from Keck School of Medicine of USC in 2020.
What drugs does Peter Yizhi Lai prescribe most?
In 2024 Medicare Part D data, Peter Lai's most prescribed drugs by claims were Pantoprazole Sodium, Cephalexin and Amoxicillin-Clavulanate Potass.
Has Peter Yizhi Lai received payments from drug or device companies?
CMS Open Payments shows $344 in general payments to Peter Lai from 3 companies from 2022 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Peter Yizhi Lai been practicing?
Peter Lai graduated from medical school in 2020, 6 years ago.
Does Peter Yizhi Lai do research?
Dmand AI links 4 publications to Peter Lai, published from 2016 to 2017.
What insurance does Peter Yizhi Lai accept?
Peter Lai is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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