Walter Lam, MD
NPI 1629631643 · Student in an Organized Health Care Education/Training Program · New Orleans, LA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Lam, MD is a Student in an Organized Health Care Education/Training Program provider in New Orleans, LA (NPI 1629631643).
Provider details
- NPI number
- 1629631643
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
147 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 | 107 | $76 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $63 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 18 | $167 |
Typical Medicare-allowed amounts for these services range $63–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 23 | 19 |
| Furosemide | 16 | — |
| Amlodipine Besylate | 16 | — |
| Nifedipinebrand: Nifedipine Er | 15 | — |
| Empagliflozinbrand: Jardiance | 14 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 13 | — |
| Allopurinol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,013 across 5 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
- 2019-04-16
- Last updated
- 2019-04-16
Frequently asked questions
- What is Walter Lam's NPI number?
- Walter Lam's National Provider Identifier (NPI) is 1629631643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Lam's specialty?
- Walter Lam is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Walter Lam located?
- Walter Lam's practice location on file with NPPES is 1401 Jefferson Hwy Fl Center1, New Orleans, LA 70121-2426.
- What is Walter Lam's phone number?
- The practice phone number listed in the NPPES registry for Walter Lam is (504) 842-3260.
- Does Walter Lam accept Medicare?
- Walter Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Lam's NPI active?
- Yes — Walter Lam's NPI (1629631643) is active in the NPPES registry as of the last update on 2019-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.