Quy Lam, MD
NPI 1649809724 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quy Lam, MD is a Internal Medicine Physician provider in Houston, TX (NPI 1649809724).
Provider details
- NPI number
- 1649809724
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- U2547 (TX)
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
1,161 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 421 | $79 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 386 | $119 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 137 | $114 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 105 | $173 |
| Advance Care Planning, First 30 Minutes99497 | 96 | $75 |
| Critical Care, First 30-74 Minutes99291 | 16 | $213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 28 | 28 |
| Cefdinir | 28 | 27 |
| Nifedipinebrand: Nifedipine Er | 15 | 14 |
| Prednisone | 14 | 13 |
| Furosemide | 14 | 14 |
| Levofloxacin | 12 | 11 |
| Levothyroxine Sodium | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-02
- Last updated
- 2023-08-22
- Certified
- 2023-08-22
Frequently asked questions
- What is Quy Lam's NPI number?
- Quy Lam's National Provider Identifier (NPI) is 1649809724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quy Lam's specialty?
- Quy Lam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Quy Lam located?
- Quy Lam's practice location on file with NPPES is 4101 Greenbriar Dr Ste 122g, Houston, TX 77098-5266.
- What is Quy Lam's phone number?
- The practice phone number listed in the NPPES registry for Quy Lam is (713) 980-5461.
- Does Quy Lam accept Medicare?
- Quy Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quy Lam's NPI active?
- Yes — Quy Lam's NPI (1649809724) is active in the NPPES registry as of the last update on 2023-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.