Quynh Lam, M.D.
NPI 1235373804 · Nephrology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quynh Lam, M.D. is a Nephrology Physician provider in Houston, TX (NPI 1235373804).
Provider details
- NPI number
- 1235373804
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- P5543 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
853 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 319 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 189 | $134 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 118 | $305 |
| Critical Care, First 30-74 Minutes99291 | 95 | $223 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 50 | $181 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 649 | 253 |
| Allopurinol | 647 | 244 |
| Losartan Potassium | 431 | 160 |
| Tamsulosin Hcl | 394 | 146 |
| Amlodipine Besylate | 230 | 90 |
| Doxazosin Mesylate | 144 | 52 |
| Hydralazine Hcl | 140 | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$475 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-28
- Last updated
- 2022-07-14
- Certified
- 2022-07-14
Frequently asked questions
- What is Quynh Lam's NPI number?
- Quynh Lam's National Provider Identifier (NPI) is 1235373804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quynh Lam's specialty?
- Quynh Lam is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Quynh Lam located?
- Quynh Lam's practice location on file with NPPES is 10080 Bellaire Blvd, Houston, TX 77072-5249.
- What is Quynh Lam's phone number?
- The practice phone number listed in the NPPES registry for Quynh Lam is (832) 230-5139.
- Does Quynh Lam accept Medicare?
- Quynh Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quynh Lam's NPI active?
- Yes — Quynh Lam's NPI (1235373804) is active in the NPPES registry as of the last update on 2022-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.