Yvette Lam-Tsai, M.D.
NPI 1518147701 · Gastroenterology Physician · Sun City, AZ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvette Lam-Tsai, M.D. is a Gastroenterology Physician provider in Sun City, AZ (NPI 1518147701).
Provider details
- NPI number
- 1518147701
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 242215 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
1,510 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) |
|---|---|---|
| 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 | 242 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 240 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 222 | $87 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 129 | $96 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 125 |
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 |
|---|---|---|
| Pantoprazole Sodium | 285 | 117 |
| Omeprazole | 237 | 95 |
| Dicyclomine Hcl | 131 | 71 |
| Famotidine | 91 | 44 |
| Hydrocortisone | 48 | 41 |
| Linaclotidebrand: Linzess | 44 | 15 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 30 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,069 across 44 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
- 2007-11-06
- Last updated
- 2017-02-16
Frequently asked questions
- What is Yvette Lam-Tsai's NPI number?
- Yvette Lam-Tsai's National Provider Identifier (NPI) is 1518147701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvette Lam-Tsai's specialty?
- Yvette Lam-Tsai is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Yvette Lam-Tsai located?
- Yvette Lam-Tsai's practice location on file with NPPES is 13640 N 99th Ave, Sun City, AZ 85351-2866.
- What is Yvette Lam-Tsai's phone number?
- The practice phone number listed in the NPPES registry for Yvette Lam-Tsai is (623) 972-2116.
- Does Yvette Lam-Tsai accept Medicare?
- Yvette Lam-Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yvette Lam-Tsai's NPI active?
- Yes — Yvette Lam-Tsai's NPI (1518147701) is active in the NPPES registry as of the last update on 2017-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.