Phillip Chisholm, M.D.
NPI 1356636278 · Gastroenterology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phillip Chisholm, M.D. is a Gastroenterology Physician provider in Milwaukee, WI (NPI 1356636278).
Provider details
- NPI number
- 1356636278
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2011015256 (MO)
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 tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
128 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 31 | $64 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 23 | $203 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $120 |
| Insertion of Stent Into Pancreatic Or Bile Duct Using a Flexible Endoscope43274 | 18 | $401 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 13 | $98 |
| Ultrasound Exam 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 235 | 233 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 102 | 100 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 63 | 62 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 21 | 20 |
| Omeprazole | 21 | — |
| Lipase/Protease/Amylasebrand: Creon | 18 | — |
Practice location
Mailing address
Additional practice locations (1)
- 660 S Euclid AveDivision of Medical Education, Box 8121Saint Louis, MO 63110-1010Phone: (314) 362-5060
Registry dates
- Enumerated
- 2011-06-20
- Last updated
- 2018-07-05
Frequently asked questions
- What is Phillip Chisholm's NPI number?
- Phillip Chisholm's National Provider Identifier (NPI) is 1356636278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phillip Chisholm's specialty?
- Phillip Chisholm is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Phillip Chisholm located?
- Phillip Chisholm's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226.
- What is Phillip Chisholm's phone number?
- The practice phone number listed in the NPPES registry for Phillip Chisholm is (414) 955-6830.
- Does Phillip Chisholm accept Medicare?
- Phillip Chisholm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phillip Chisholm's NPI active?
- Yes — Phillip Chisholm's NPI (1356636278) is active in the NPPES registry as of the last update on 2018-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.