Glenn Eisen, MD
NPI 1295741759 · Gastroenterology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glenn Eisen, MD is a Gastroenterology Physician provider in Portland, OR (NPI 1295741759).
Provider details
- NPI number
- 1295741759
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD24716 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
464 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 137 | $42 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 77 | $143 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $93 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 40 | $244 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $131 |
| 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 |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 170 | 169 |
| Omeprazole | 161 | 59 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 57 | 57 |
| Pantoprazole Sodium | 56 | 17 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 45 | 44 |
| Mesalamine | 34 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2024-11-18
- Certified
- 2024-11-18
Frequently asked questions
- What is Glenn Eisen's NPI number?
- Glenn Eisen's National Provider Identifier (NPI) is 1295741759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Eisen's specialty?
- Glenn Eisen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn Eisen located?
- Glenn Eisen's practice location on file with NPPES is 9701 Sw Barnes Rd, Portland, OR 97225-6772.
- What is Glenn Eisen's phone number?
- The practice phone number listed in the NPPES registry for Glenn Eisen is (503) 297-8081.
- Does Glenn Eisen accept Medicare?
- Glenn Eisen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glenn Eisen's NPI active?
- Yes — Glenn Eisen's NPI (1295741759) is active in the NPPES registry as of the last update on 2024-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.