Dr. Lynn Khaonh Ngo, MD
- Medicare services, 2024
- 103
- Medicare patients, 2024
- 118
- Part D claims, 2024
- 87
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ngo's professional email, personal email and mobile number
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Dr. Lynn Khaonh Ngo is an internist in Stanford, California
Dr. Ngo practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Ngo's NPI, 1659303907, was assigned on July 7, 2006. Dr. Ngo graduated from Stanford University School of Medicine in 1988. Dr. Ngo holds California license G66515.
- NPI
- 1659303907NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375608433
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lynn Khaonh Ngo practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Ngo'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.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Lynn Khaonh Ngo is affiliated with 2 sites of care and 1 medical group
Dr. Ngo's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Ngo to 1 more hospital, named with a free account. Dr. Ngo's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lynn Khaonh Ngo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ngo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lynn Khaonh Ngo is one of 16,751 internists in California
Internal medicine is Dr. Ngo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ngo is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Ngo
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. Lynn Khaonh Ngo billed Medicare for 103 services in 2024
CMS data shows 103 Medicare services from Dr. Ngo across 3 procedure codes in 2024, all of them office visits, for 118 Medicare patients. Medicare paid $9,904 for them. Every service was in an office.
Dr. Ngo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 692024: 10349%
- Other services
- 2023: 232024: 0100%
Dr. Ngo compared with the California median for internists, 2024
- Dr. Ngo
- California median
- Medicare services
- 103vs 36171% below
- Medicare patients
- 118vs 15122% below
- Part D claims
- 11vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ngo'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ngo and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lynn Khaonh Ngo treated 118 Medicare patients in 2024, average age 73
CMS counts 118 Medicare patients who saw Dr. Ngo in 2024. The largest group is 65 to 74, with 45 patients. 69% of them have high blood pressure, and 65% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ngo's median patient age at 41, with 56% women.
Dr. Ngo's Medicare patients by age, 2024
Dr. Ngo's Medicare patients by sex, 2024
- Women7765%
- Men4135%
Chronic conditions among Dr. Ngo's Medicare patients, 2024
- High blood pressure69%
- High cholesterol65%
- Arthritis46%
- Diabetes35%
- Ischemic heart disease29%
- Osteoporosis28%
- Mood disorders23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ngo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lynn Khaonh Ngo wrote 87 Medicare Part D claims in 2024
In 2024, Dr. Ngo wrote 87 Medicare Part D claims for 64 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 $127 in total drug cost. In 2019, CMS named 25 claims across 2 drugs.
Dr. Ngo's Part D claims by kind of drug, 2024
- Generic72 claims83%
- Brand-name15 claims17%
Dr. Ngo's most prescribed drugs by claims, 2021
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 Dr. Ngo's Part D claims, 2024
- Antibiotics24%21 of 87 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, 2019 to 2021
- 2019
- 2021
- Claims for drugs CMS names
- 2019: 252021: 1156%
Drugs named by CMS: 1 in 2021, 2 in 2019.
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. Lynn Khaonh Ngo 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. Ngo for performance year 2024, reported as part of a group. Dr. Ngo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ngo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ngo'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. Lynn Khaonh Ngo received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Ngo from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $21.
Companies that paid Dr. Ngo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lynn Khaonh Ngo graduated from Stanford University School of Medicine
Dr. Ngo graduated from Stanford University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lynn Khaonh Ngo'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Lynn Khaonh Ngo
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. Lynn Khaonh Ngo's NPI number?
Dr. Lynn Khaonh Ngo's NPI number is 1659303907. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lynn Khaonh Ngo?
Dr. Lynn Khaonh Ngo is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lynn Khaonh Ngo practice?
Dr. Ngo practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Ngo's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Ngo to 1 hospital.
What is Dr. Lynn Khaonh Ngo's office phone number?
The practice phone on file for Dr. Ngo is (650) 723-4000.
What is Dr. Lynn Khaonh Ngo's medical license number?
Dr. Ngo holds California license G66515.
Which hospitals is Dr. Lynn Khaonh Ngo affiliated with?
Dr. Ngo practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Ngo to 1 more hospital.
What medical group is Dr. Lynn Khaonh Ngo part of?
Dr. Ngo is linked to Stanford Health Care.
Does Dr. Lynn Khaonh Ngo accept Medicare?
Yes. CMS data shows Dr. Ngo billed Medicare for 103 services in 2024, and Dr. Ngo accepts Medicare assignment.
Does Dr. Lynn Khaonh Ngo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ngo as offering telehealth services.
What is Dr. Lynn Khaonh Ngo's MIPS score?
Dr. Ngo's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Lynn Khaonh Ngo see?
CMS counts 118 Medicare patients who saw Dr. Ngo in 2024, with an average age of 73.
What services does Dr. Lynn Khaonh Ngo bill to Medicare?
In 2024, Dr. Ngo's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Lynn Khaonh Ngo go to medical school?
Dr. Ngo graduated from Stanford University School of Medicine in 1988.
What drugs does Dr. Lynn Khaonh Ngo prescribe most?
In 2021 Medicare Part D data, Dr. Ngo's most prescribed drugs by claims were Triamcinolone Acetonide.
Has Dr. Lynn Khaonh Ngo received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Ngo from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Lynn Khaonh Ngo been practicing?
Dr. Ngo graduated from medical school in 1988, 38 years ago.
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