Katherine Dempster, MD
NPI 1477755262 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Dempster, MD is a Internal Medicine Physician provider in Portland, OR (NPI 1477755262).
Provider details
- NPI number
- 1477755262
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD.200886 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
477 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 161 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 97 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $80 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 46 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 146 | 37 |
| Oxycodone Hcl | 130 | 29 |
| Losartan Potassium | 122 | 35 |
| Atorvastatin Calcium | 122 | 33 |
| Gabapentin | 119 | 35 |
| Rosuvastatin Calcium | 115 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (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
Additional practice locations (1)
- Po Box 689022Franklin, TN 37068-9022Phone: (615) 778-8078
Registry dates
- Enumerated
- 2007-06-04
- Last updated
- 2026-02-26
- Certified
- 2026-02-26
Frequently asked questions
- What is Katherine Dempster's NPI number?
- Katherine Dempster's National Provider Identifier (NPI) is 1477755262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Dempster's specialty?
- Katherine Dempster is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Dempster located?
- Katherine Dempster's practice location on file with NPPES is 2801 N Gantenbein Ave, Portland, OR 97227-1623.
- What is Katherine Dempster's phone number?
- The practice phone number listed in the NPPES registry for Katherine Dempster is (503) 413-8407.
- Does Katherine Dempster accept Medicare?
- Katherine Dempster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Dempster's NPI active?
- Yes — Katherine Dempster's NPI (1477755262) is active in the NPPES registry as of the last update on 2026-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.