Weyman Lam, MD

Medicare activity in 2024

Official CMS public-use data for Weyman Lam, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Test for allergy using allergenic extract (95004)4,245 services
2. Professional service for preparation and provision of 1 or more antigens (95165)2,349 services
3. Professional service for multiple injections of allergen (95117)1,175 services
4. 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's (G2211)221 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)202 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure72%
• Arthritis51%
• Asthma32%
• Depression31%
• Anxiety28%

Hospitals where Weyman Lam works

Medicare's Facility Affiliation Data lists Weyman Lam at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Saint Francis Hospital MuskogeeMuskogee, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370025
• Saint Francis Hospital, IncTulsa, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370091

Practice locations

Addresses where Weyman Lam is enrolled with Medicare (CMS data updated October 2, 2026).

• 6161 S Yale AveTulsa, OK 74136 (918) 502‑4720
• 6600 S Yale Ave, Suite 1400Tulsa, OK 74136 (918) 488‑6000

Group practices

Medicare enrollment lists Weyman Lam as a member of this group (CMS data updated October 2, 2026).

• Warren Clinic Inc883 clinicians in the group

Specialties

• Allergy/Immunologyprimary

Find other Allergy/Immunology doctors in Oklahoma →

Other allergist and immunologists in Tulsa

Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.

• Brandon C. Humble, MD
• Michelle M. Montalbano, MD
• James T. Love Jr.
• Lodie G. Naimeh, MD
• Iftikhar Hussain, MD
• Terence L. Carey, MD
• Lynn A. Wiens, MD

All allergist and immunologists in Tulsa →

Other clinicians in Warren Clinic Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Erika L. Contreras, NP
• Kiran K. Kommaraju, MD
• Inyang Ndebbio, MD
• Jacob Cohn, DO
• Tho D. Le, MD
• Edemekong E. Bassey, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians