Primary practice
Northwest Surgical Development of Irvine
Irvine, California
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Dr. Lee practices at Northwest Surgical Development of Irvine in Irvine, California.
Dr. Lee's NPI, 1740206689, was assigned on July 14, 2006. Dr. Lee graduated from National Taiwan University College of Medicine in 1980. Dr. Lee holds California license A41465.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lee's primary practice is Northwest Surgical Development of Irvine, at 113 Waterworks Way, Irvine, CA 92618 in Orange County. The practice phone is (949) 450-0596.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lee's primary practice is Northwest Surgical Development of Irvine in Irvine, California. Dr. Lee is also affiliated with Hoag Hospital Newport Beach. Dmand AI also links Dr. Lee to 1 more physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Surgical Development of Irvine | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Gastroenterology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lee is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Lee's licenses on file in 4 states: California, New Jersey, Hawaii and Texas.
Dmand AI lists acid reflux, chronic indigestion, chronic inflammatory bowel disease (IBD), colonoscopy, fatty liver, gastroduodenitis, gastroenteritis and gastrointestinal bleeding among the conditions Dr. Lee treats.
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
CMS data shows 1,974 Medicare services from Dr. Lee across 11 procedure codes in 2024, for 233 Medicare patients. Medicare paid $163,394 for them.
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
CMS counts 233 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 68, with 52% women.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 68
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
In 2024, Dr. Lee wrote 1,188 Medicare Part D claims for 232 patients. 88% of them were for generic drugs. CMS names the drug for 1,028 of them, across 20 drugs with 11 or more claims each, at $141,785 in total drug cost. In 2023, CMS named 1,313 claims across 14 drugs.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Drugs named by CMS: 20 in 2024, 14 in 2023.
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
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Lee for performance year 2024, reported individually. Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lee as offering telehealth. CMS counts 66 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Lee, more than 68% of the clinicians it reports for that procedure.
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
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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Dmand AI links Dr. Lee to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Hepatitis B, Chronic and Hepadnaviridae Infections.
Conditions in Dr. Lee's trials
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
CMS Open Payments shows 360 general payments to Dr. Lee from 15 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 75% of the total. Gilead Sciences, Inc. paid the most, $116,450.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dmand AI lists 3 awards for Dr. Lee, most recently Top Gastroenterologist in Irvine, CA in 2017.
Source: Dmand AI Professional Profile Data
Dr. Lee graduated from National Taiwan University College of Medicine in 1980. Dr. Lee is a member of ACG and AGA.
Source: Dmand AI Professional Profile Data
Dr. Lee is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
Source: Dmand AI Insurance Network 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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
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Dr. Herbert H. Lee's NPI number is 1740206689. It was assigned on July 14, 2006, and it is active in the NPI Registry.
Dr. Herbert H. Lee is a gastroenterologist in Irvine, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Dr. Lee practices at 113 Waterworks Way, Irvine, CA 92618. Dr. Lee's primary practice is Northwest Surgical Development of Irvine in Irvine, California. Dmand AI also links Dr. Lee to 1 physician office.
The practice phone on file for Dr. Lee is (949) 450-0596.
Dr. Lee holds California license A41465, one of the licenses on file in 4 states.
Dmand AI has state licenses on file for Dr. Lee in California (1984 to 2026), New Jersey (since 1987), Hawaii (1984 to 1990) and Texas (1981 to 1988).
Dr. Lee is affiliated with Hoag Hospital Newport Beach.
Yes. CMS data shows Dr. Lee billed Medicare for 1,974 services in 2024, and Dr. Lee accepts Medicare assignment.
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
Dr. Lee's MIPS final score for performance year 2024 is 76 out of 100, reported individually.
CMS counts 233 Medicare patients who saw Dr. Lee in 2024, with an average age of 75.
Yes. Dr. Lee is board certified in gastroenterology by the American Board of Internal Medicine.
In 2024, Dr. Lee's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and ultrasound (76700).
Dr. Lee graduated from National Taiwan University College of Medicine in 1980.
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Pantoprazole Sodium, Famotidine and Sucralfate.
CMS Open Payments shows $131,438 in general payments to Dr. Lee from 15 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
Dr. Lee graduated from medical school in 1980, 46 years ago.
Dr. Lee has worked on 1 clinical trial.
Dr. Lee is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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