Nilay Kumar, M.D., M.P.H
NPI 1427123702 · Gastroenterology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nilay Kumar, M.D., M.P.H is a Gastroenterology Physician provider in Milwaukee, WI (NPI 1427123702).
Provider details
- NPI number
- 1427123702
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H
- Sex
- Male
- Sole proprietor
- No
- License
- 49637 (WI)
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
19 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
1,163 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 50 Minutes99233 | 373 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 169 | $72 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 167 | $158 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 116 | $68 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 89 | $214 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 312 | 105 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 256 | 250 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 227 | 222 |
| Omeprazole | 118 | 42 |
| Famotidine | 22 | — |
| Dicyclomine Hcl | 21 | — |
| Hydrocortisone | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$143 across 2 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
- 2006-11-21
- Last updated
- 2024-05-23
- Certified
- 2024-05-23
Frequently asked questions
- What is Nilay Kumar's NPI number?
- Nilay Kumar's National Provider Identifier (NPI) is 1427123702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nilay Kumar's specialty?
- Nilay Kumar is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nilay Kumar located?
- Nilay Kumar's practice location on file with NPPES is 2901 W Kk River Pkwy, Milwaukee, WI 53215-3677.
- What is Nilay Kumar's phone number?
- The practice phone number listed in the NPPES registry for Nilay Kumar is (414) 649-3750.
- Does Nilay Kumar accept Medicare?
- Nilay Kumar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nilay Kumar's NPI active?
- Yes — Nilay Kumar's NPI (1427123702) is active in the NPPES registry as of the last update on 2024-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.