Ian Weng Lam
NPI 1144857459 · Family Medicine Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Weng Lam is a Family Medicine Physician provider in Las Vegas, NV (NPI 1144857459).
Provider details
- NPI number
- 1144857459
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- DO3447 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
200 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 100 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $86 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $163 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 14 | $14 |
| Administration of Influenza Virus VaccineG0008 | 12 | $32 |
Typical Medicare-allowed amounts for these services range $14–$163 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 280 | 134 |
| Lisinopril | 160 | 62 |
| Levothyroxine Sodium | 156 | 52 |
| Gabapentin | 126 | 41 |
| Duloxetine Hcl | 122 | 36 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 118 | 40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-25
- Last updated
- 2023-08-14
- Certified
- 2023-08-14
Frequently asked questions
- What is Ian Weng Lam's NPI number?
- Ian Weng Lam's National Provider Identifier (NPI) is 1144857459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Weng Lam's specialty?
- Ian Weng Lam is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Weng Lam located?
- Ian Weng Lam's practice location on file with NPPES is 4475 S Eastern Ave, Las Vegas, NV 89119-7826.
- What is Ian Weng Lam's phone number?
- The practice phone number listed in the NPPES registry for Ian Weng Lam is (702) 877-5199.
- Does Ian Weng Lam accept Medicare?
- Ian Weng Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Weng Lam's NPI active?
- Yes — Ian Weng Lam's NPI (1144857459) is active in the NPPES registry as of the last update on 2023-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.