Terrill Harrington, MD
NPI 1205854395 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terrill Harrington, MD is a Family Medicine Physician provider in Seattle, WA (NPI 1205854395).
Provider details
- NPI number
- 1205854395
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00038084 (WA)
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
273 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 76 | $95 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 74 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $142 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 12 | $197 |
Typical Medicare-allowed amounts for these services range $9–$197 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 228 | 58 |
| Losartan Potassium | 138 | 40 |
| Tamsulosin Hcl | 121 | 39 |
| Amlodipine Besylate | 110 | 34 |
| Levothyroxine Sodium | 97 | 26 |
| Hydrochlorothiazide | 77 | 22 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2024-07-27
- Certified
- 2024-07-27
Frequently asked questions
- What is Terrill Harrington's NPI number?
- Terrill Harrington's National Provider Identifier (NPI) is 1205854395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terrill Harrington's specialty?
- Terrill Harrington is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terrill Harrington located?
- Terrill Harrington's practice location on file with NPPES is 3623 Sw Alaska St, Seattle, WA 98126-2732.
- What is Terrill Harrington's phone number?
- The practice phone number listed in the NPPES registry for Terrill Harrington is (206) 362-8674.
- Does Terrill Harrington accept Medicare?
- Terrill Harrington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terrill Harrington's NPI active?
- Yes — Terrill Harrington's NPI (1205854395) is active in the NPPES registry as of the last update on 2024-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.