Doctor profile · Federal record
Dr. Peter Eichenseer, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Menomonee Falls, WI
- NPI 1821289141
- Accepts Medicare
- 19 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
W129N7055 Northfield Dr, Building A, Suite 303
Menomonee Falls, WI 530510538
(262) 253-5400
fax (262) 253-3339
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Profile last updated
- August 9, 2013
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Wisconsin #61054 · Illinois #125.052595
- Medicaid
- WI #1821289141
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821289141. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
821
Distinct HCPCS
10
Medicare allowed
$141,663
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 191 | 189 | $53 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 103 | 103 | $241 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 97 | 60 | $113 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 87 | 87 | $424 | |
99153 |
Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 78 | 74 | $10 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 56 | 55 | $234 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 51 | $122 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 35 | $122 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 30 | 30 | $108 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 28 | 28 | $158 |
In context: peer comparison
Among 2 peers in Menomonee Falls Gastroenterology Physician, average services per provider: 41. This provider delivers 20× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
839
Patients
571
Total drug cost
$62,584
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 243 | 239 | $4,045 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 141 | 141 | $2,503 |
| Pantoprazole Sodium | Generic | 121 | 45 | $1,989 |
| Omeprazole | Generic | 100 | 40 | $2,094 |
| Linzess (Linaclotide) | Brand | 40 | 12 | $31,638 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 36 | 11 | $3,021 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 31 | 31 | $660 |
| Budesonide Dr (Budesonide) | Brand | 26 | 14 | $2,835 |
| Lubiprostone | Generic | 20 | 0 | $9,763 |
| Esomeprazole Magnesium | Generic | 19 | 0 | $2,227 |
Hospital affiliations
Frequently asked questions
What is Dr. Peter Eichenseer's medical specialty?
Dr. Peter Eichenseer practices Gastroenterology Physician in Menomonee Falls, WI.
Where does Dr. Peter Eichenseer practice?
Dr. Peter Eichenseer practices at W129N7055 Northfield Dr, Menomonee Falls, WI 530510538. Office phone: 2622535400.
What is Dr. Peter Eichenseer's NPI?
Dr. Peter Eichenseer's National Provider Identifier (NPI) is 1821289141, issued by NPPES.
Does Dr. Peter Eichenseer accept Medicare assignment?
Yes. Dr. Peter Eichenseer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Eichenseer commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.