Cynthia Smyth, MD
NPI 1881681641 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Smyth, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1881681641).
Provider details
- NPI number
- 1881681641
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00033399 (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
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
1,851 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 | 254 | $141 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 228 | $9 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 159 | $13 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 157 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 148 | $16 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 140 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 517 | 165 |
| Levothyroxine Sodium | 243 | 71 |
| Gabapentin | 156 | 50 |
| Amlodipine Besylate | 150 | 56 |
| Losartan Potassium | 138 | 40 |
| Zolpidem Tartrate | 132 | 30 |
| Atorvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-05
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Cynthia Smyth's NPI number?
- Cynthia Smyth's National Provider Identifier (NPI) is 1881681641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Smyth's specialty?
- Cynthia Smyth is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Smyth located?
- Cynthia Smyth's practice location on file with NPPES is 904 7th Ave, Seattle, WA 98104-1132.
- What is Cynthia Smyth's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Smyth is (206) 860-2222.
- Does Cynthia Smyth accept Medicare?
- Cynthia Smyth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Smyth's NPI active?
- Yes — Cynthia Smyth's NPI (1881681641) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.