Ling Mei
NPI 1285902684 · Gastroenterology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ling Mei is a Gastroenterology Physician provider in Milwaukee, WI (NPI 1285902684).
Provider details
- NPI number
- 1285902684
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 57108 (WI)
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
14 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
203 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 47 | $65 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 29 | $101 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 28 | $224 |
| Test for Tone and Sensation of Rectum and Anus91120 | 20 | $45 |
| Study of Rectum Sensitivity and Function91122 | 20 | $82 |
| Study of Esophagus to Assess Movement91010 | 17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 86 | 43 |
| Pantoprazole Sodium | 46 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 38 | 36 |
| Linaclotidebrand: Linzess | 33 | 16 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 24 | 22 |
| Esomeprazole Magnesium | 17 | — |
| Mirtazapine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (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
- 2011-12-13
- Last updated
- 2015-08-12
Frequently asked questions
- What is Ling Mei's NPI number?
- Ling Mei's National Provider Identifier (NPI) is 1285902684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ling Mei's specialty?
- Ling Mei is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ling Mei located?
- Ling Mei's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Ling Mei's phone number?
- The practice phone number listed in the NPPES registry for Ling Mei is (414) 955-6830.
- Does Ling Mei accept Medicare?
- Ling Mei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ling Mei's NPI active?
- Yes — Ling Mei's NPI (1285902684) is active in the NPPES registry as of the last update on 2015-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.