Dr. David N. Lam, MD
- Medicare services, 2024
- 73
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 134
- Hospital affiliations
- 2
- Industry payments
- $20,478
- Practice address
- 4000 Spencer Hwy, Pasadena, TX 77504
- Practice phone
- Call (713) 359-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lam'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.
Dr. David N. Lam is a general surgeon in Pasadena, Texas
Dr. Lam practices at HCA Houston Healthcare Southeast in Pasadena, Texas, part of HCA Healthcare.
Dr. Lam's NPI, 1962598243, was assigned on October 5, 2006. Dr. Lam graduated from UTMB Health in 1986. Dr. Lam holds California license A50876.
- NPI
- 1962598243NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739076902
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 359-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David N. Lam practices at HCA Houston Healthcare Southeast in Pasadena, Texas
Dr. Lam's primary practice is HCA Houston Healthcare Southeast, at 4000 Spencer Hwy, Pasadena, TX 77504 in Harris County. The practice phone is (713) 359-1000.
- HCA Houston Healthcare Southeast4000 Spencer Hwy, Pasadena, TX 77504 · Harris CountyPhone(713) 359-1000
Source: Dmand AI Affiliation Data
Dr. David N. Lam is affiliated with 3 sites of care and 1 medical group
Dr. Lam's primary practice is HCA Houston Healthcare Southeast in Pasadena, Texas, part of HCA Healthcare. Dr. Lam is also affiliated with St. Luke's Health - Patients Medical Center. The medical group on file is General Surgeons of Pasadena. Dmand AI also links Dr. Lam to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David N. 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.
| Site | EHR vendor and product |
|---|---|
| HCA Houston Healthcare Southeast | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David N. Lam is one of 1,939 general surgeons in Texas
Surgery is Dr. Lam's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lam is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Lam's licenses on file in 3 states: California, Texas and Michigan.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Texas license
- Michigan license
Clinical focus
Dmand AI lists acute gallbladder or bile duct inflammation, amputation, appendectomy, bariatric surgery, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal and groin hernia surgery among the conditions Dr. Lam treats.
General surgeons near Dr. Lam
Counts of general surgeons 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. David N. Lam billed Medicare for 73 services in 2024
CMS data shows 73 Medicare services from Dr. Lam across 3 procedure codes in 2024, for 68 Medicare patients. Medicare paid $5,915 for them.
Dr. Lam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1222024: 7340%
Where Dr. Lam's Medicare services took place, 2024
- In an office4055%
- In a facility3345%
Dr. Lam compared with the Texas median for general surgeons, 2024
- Dr. Lam
- Texas median
- Medicare services
- 73vs 11838% below
- Medicare patients
- 68vs 9730% below
- Part D claims
- 69vs 4264% above
Medians across 1,674 general surgeons in Texas 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lam and other general surgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David N. Lam treated 68 Medicare patients in 2024, average age 71
CMS counts 68 Medicare patients who saw Dr. Lam in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.93, 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. Lam's median patient age at 53, with 63% women.
Dr. Lam's Medicare patients by age, 2024
Dr. Lam's Medicare patients by sex, 2024
- Women3653%
- Men3247%
Chronic conditions among Dr. Lam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes50%
- Mood disorders44%
- Chronic kidney disease43%
- Depression38%
- Heart failure34%
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 53
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David N. Lam wrote 134 Medicare Part D claims in 2024
In 2024, Dr. Lam wrote 134 Medicare Part D claims for 88 patients. 99% of them were for generic drugs. CMS names the drug for 69 of them, across 2 drugs with 11 or more claims each, at $584 in total drug cost. In 2023, CMS named 73 claims across 3 drugs.
Dr. Lam's Part D claims by kind of drug, 2024
- Generic132 claims99%
- Brand-name and other2 claims1%
Dr. Lam'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 Dr. Lam's Part D claims, 2024
- Opioids58%78 of 134 claims
- Antibiotics19%26 of 134 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 732024: 695%
Drugs named by CMS: 2 in 2024, 3 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
How Dr. David N. Lam takes part in Medicare
Dr. Lam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David N. Lam received $20,478 in industry payments from 2016 to 2025
CMS Open Payments shows 131 general payments to Dr. Lam from 40 drug and device companies from 2016 to 2025. Education make up the largest share, 73% of the total. Intuitive Surgical, Inc. paid the most, $17,112.
General payments to Dr. Lam by program year, 2016 to 2025
General payments to Dr. Lam by kind, 2016 to 2025
- Education$15,00073%
- Food and beverage$3,84419%
- Travel and lodging$1,6098%
- Speaker and faculty fees$250%
Companies that paid Dr. Lam the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David N. Lam graduated from UTMB Health
Dr. Lam graduated from UTMB Health in 1986.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. David N. Lam accepts plans from 23 insurance carriers
Dr. Lam is in network with 23 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- Alliant Health Plans
- +15 more carriersWith a free account
Plan types Dr. Lam accepts, by number of carriers
- PPO14
- HMO13
- Medicare11
- POS6
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. David N. Lam'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)Doctors and Clinicians Utilization Data (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 |
| 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 Dr. David N. 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. David N. Lam's NPI number?
Dr. David N. Lam's NPI number is 1962598243. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David N. Lam?
Dr. David N. Lam is a general surgeon in Pasadena, Texas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David N. Lam practice?
Dr. Lam practices at 4000 Spencer Hwy, Pasadena, TX 77504. Dr. Lam's primary practice is HCA Houston Healthcare Southeast in Pasadena, Texas, part of HCA Healthcare. Dmand AI also links Dr. Lam to 1 group practice or clinic.
What is Dr. David N. Lam's office phone number?
The practice phone on file for Dr. Lam is (713) 359-1000.
What is Dr. David N. Lam's medical license number?
Dr. Lam holds California license A50876, one of the licenses on file in 3 states.
Which states has Dr. David N. Lam been licensed in?
Dmand AI has state licenses on file for Dr. Lam in California (since 1992), Texas (1999 to 2025) and Michigan (2007 to 2011).
Which hospitals is Dr. David N. Lam affiliated with?
Dr. Lam practices at HCA Houston Healthcare Southeast in Pasadena, Texas. Dr. Lam is also affiliated with St. Luke's Health - Patients Medical Center.
What medical group is Dr. David N. Lam part of?
Dr. Lam is linked to General Surgeons of Pasadena.
Does Dr. David N. Lam accept Medicare?
Yes. CMS data shows Dr. Lam billed Medicare for 73 services in 2024, and Dr. Lam accepts Medicare assignment.
How many Medicare patients does Dr. David N. Lam see?
CMS counts 68 Medicare patients who saw Dr. Lam in 2024, with an average age of 71.
Show 7 more questionsShow fewer questions
Is Dr. David N. Lam board certified?
Yes. Dr. Lam is board certified in surgery by the American Board of Surgery.
What services does Dr. David N. Lam bill to Medicare?
In 2024, Dr. Lam's most billed Medicare services were hospital inpatient care (99221), office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. David N. Lam go to medical school?
Dr. Lam graduated from UTMB Health in 1986.
What drugs does Dr. David N. Lam prescribe most?
In 2024 Medicare Part D data, Dr. Lam's most prescribed drugs by claims were Acetaminophen-Codeine and Hydrocodone-Acetaminophen.
Has Dr. David N. Lam received payments from drug or device companies?
CMS Open Payments shows $20,478 in general payments to Dr. Lam from 40 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. David N. Lam been practicing?
Dr. Lam graduated from medical school in 1986, 40 years ago.
What insurance does Dr. David N. Lam accept?
Dr. Lam is in network with 23 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
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