Weyman Lam
NPI 1225442130 · Allergy & Immunology Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Weyman Lam is a Allergy & Immunology Physician provider in Tulsa, OK (NPI 1225442130).
Provider details
- NPI number
- 1225442130
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 34414 (OK)
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
12 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
8,555 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 4,245 | $3 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 2,349 | $13 |
| Professional Service for Multiple Injections of Allergen95117 | 1,175 | $11 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 221 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 202 | $118 |
| Professional Service for Single Injection of Allergen95115 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyzine Hcl | 205 | 60 |
| Ipratropium Bromide | 155 | 57 |
| Azelastine Hcl | 153 | 65 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 114 | 23 |
| Famotidine | 113 | 32 |
| Fluticasone Propionate | 106 | 47 |
| Montelukast Sodium | 87 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,159 across 144 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
- 2014-06-18
- Last updated
- 2020-04-13
- Certified
- 2020-04-13
Frequently asked questions
- What is Weyman Lam's NPI number?
- Weyman Lam's National Provider Identifier (NPI) is 1225442130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Weyman Lam's specialty?
- Weyman Lam is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Weyman Lam located?
- Weyman Lam's practice location on file with NPPES is 6160 S Yale Ave, Tulsa, OK 74136-1930.
- What is Weyman Lam's phone number?
- The practice phone number listed in the NPPES registry for Weyman Lam is (918) 495-2636.
- Does Weyman Lam accept Medicare?
- Weyman Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Weyman Lam's NPI active?
- Yes — Weyman Lam's NPI (1225442130) is active in the NPPES registry as of the last update on 2020-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.