Doctor profile · Federal record
Dr. Lyndon Hernandez, MD
Gastroenterology Physician (CMS: Gastroenterology) · Milwaukee, WI
- NPI 1831166503
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 532153689
(414) 908-6506
fax (414) 908-6510
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- January 26, 2026
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Wisconsin #34928-20
- Medicaid
- WI #32128000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831166503. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
625
Distinct HCPCS
10
Medicare allowed
$84,919
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 142 | 141 | $110 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 131 | 127 | $60 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 97 | 97 | $218 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 48 | 40 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 34 | $166 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $159 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 28 | $122 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 28 | $86 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 24 | 24 | $164 | |
43264 |
Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 17 | 12 | $109 |
In context: peer comparison
Among 35 peers in Milwaukee Gastroenterology Physician, average services per provider: 2,725. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$128
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 1 | $128.20 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,551
Patients
767
Total drug cost
$140,140
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 519 | 166 | $8,495 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 260 | 260 | $4,386 |
| Omeprazole | Generic | 188 | 61 | $3,998 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 163 | 162 | $12,189 |
| Linzess (Linaclotide) | Brand | 88 | 30 | $60,069 |
| Sucralfate | Generic | 66 | 19 | $5,001 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 45 | 0 | $11,066 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 44 | 19 | $6,256 |
| Mesalamine | Generic | 31 | 0 | $10,913 |
| Metoclopramide Hcl | Generic | 30 | 0 | $190 |
Hospital affiliations
Frequently asked questions
What is Dr. Lyndon Hernandez's medical specialty?
Dr. Lyndon Hernandez practices Gastroenterology Physician in Milwaukee, WI.
Where does Dr. Lyndon Hernandez practice?
Dr. Lyndon Hernandez practices at 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 532153689. Office phone: 4149086506.
What is Dr. Lyndon Hernandez's NPI?
Dr. Lyndon Hernandez's National Provider Identifier (NPI) is 1831166503, issued by NPPES.
Does Dr. Lyndon Hernandez accept Medicare assignment?
Yes. Dr. Lyndon Hernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lyndon Hernandez commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.