David Dempster, MD
NPI 1861438558 · Nephrology Physician · Tacoma, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Dempster, MD is a Nephrology Physician provider in Tacoma, WA (NPI 1861438558).
Provider details
- NPI number
- 1861438558
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00040610 (WA)
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
20 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
64 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) |
|---|---|---|
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 33 | $184 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $121 |
Typical Medicare-allowed amounts for these services range $121–$184 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 81 | 30 |
| Furosemide | 55 | 21 |
| Sevelamer Carbonate | 47 | 18 |
| Lisinopril | 46 | 16 |
| Hydralazine Hcl | 46 | 16 |
| Calcitriol | 41 | 15 |
| Empagliflozinbrand: Jardiance | 38 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2021-03-30
- Certified
- 2021-03-30
Frequently asked questions
- What is David Dempster's NPI number?
- David Dempster's National Provider Identifier (NPI) is 1861438558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Dempster's specialty?
- David Dempster is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is David Dempster located?
- David Dempster's practice location on file with NPPES is 209 Martin Luther King Jr Way, Tacoma, WA 98405-4265.
- What is David Dempster's phone number?
- The practice phone number listed in the NPPES registry for David Dempster is (253) 596-3444.
- Does David Dempster accept Medicare?
- David Dempster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Dempster's NPI active?
- Yes — David Dempster's NPI (1861438558) is active in the NPPES registry as of the last update on 2021-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.