Katherine Black, MD
NPI 1801018122 · Gastroenterology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Black, MD is a Gastroenterology Physician provider in Portland, OR (NPI 1801018122).
Provider details
- NPI number
- 1801018122
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD156824 (OR)
Specialties & taxonomies
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
399 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 97 | $251 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 67 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $132 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 40 | $89 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 39 | $95 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 167 | 60 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 139 | 139 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 103 | 98 |
| Pantoprazole Sodium | 87 | 26 |
| Famotidine | 44 | 20 |
| Ondansetronbrand: Ondansetron Odt | 35 | 14 |
| Mesalaminebrand: Mesalamine Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$150 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
- 2007-05-03
- Last updated
- 2013-03-21
Frequently asked questions
- What is Katherine Black's NPI number?
- Katherine Black's National Provider Identifier (NPI) is 1801018122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Black's specialty?
- Katherine Black is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Black located?
- Katherine Black's practice location on file with NPPES is 1130 Nw 22nd Ave Ste 410, Portland, OR 97210-2911.
- What is Katherine Black's phone number?
- The practice phone number listed in the NPPES registry for Katherine Black is (503) 229-7137.
- Does Katherine Black accept Medicare?
- Katherine Black is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Black's NPI active?
- Yes — Katherine Black's NPI (1801018122) is active in the NPPES registry as of the last update on 2013-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.