Joanne Thambuswamy, MD
NPI 1295256071 · Family Medicine Physician · Everett, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Thambuswamy, MD is a Family Medicine Physician provider in Everett, WA (NPI 1295256071).
Provider details
- NPI number
- 1295256071
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD61039461 (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
8 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
401 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 | 82 | $122 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 72 | $8 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 42 | $24 |
| Hemoglobin A1c Level83036 | 33 | $9 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 33 | $15 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 28 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 143 | 51 |
| Rosuvastatin Calcium | 113 | 38 |
| Levothyroxine Sodium | 100 | 44 |
| Lisinopril | 87 | 31 |
| Omeprazole | 67 | 21 |
| Losartan Potassium | 64 | 27 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-30
- Last updated
- 2025-01-16
- Certified
- 2025-01-16
Frequently asked questions
- What is Joanne Thambuswamy's NPI number?
- Joanne Thambuswamy's National Provider Identifier (NPI) is 1295256071, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Thambuswamy's specialty?
- Joanne Thambuswamy is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanne Thambuswamy located?
- Joanne Thambuswamy's practice location on file with NPPES is 4705 31st Ave Se, Everett, WA 98203-1595.
- What is Joanne Thambuswamy's phone number?
- The practice phone number listed in the NPPES registry for Joanne Thambuswamy is (425) 470-3030.
- Does Joanne Thambuswamy accept Medicare?
- Joanne Thambuswamy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Thambuswamy's NPI active?
- Yes — Joanne Thambuswamy's NPI (1295256071) is active in the NPPES registry as of the last update on 2025-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.