Lynne Tan, M.D.
NPI 1881856680 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynne Tan, M.D. is a Family Medicine Physician provider in Seattle, WA (NPI 1881856680).
Provider details
- NPI number
- 1881856680
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- ML 60021929 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
448 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 219 | $126 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 63 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $91 |
| Assessment of Emotional Or Behavioral Problems96127 | 41 | $5 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $172 |
| Hemoglobin A1c Level83036 | 20 |
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 |
|---|---|---|
| Atorvastatin Calcium | 235 | 70 |
| Levothyroxine Sodium | 184 | 46 |
| Losartan Potassium | 166 | 48 |
| Lisinopril | 130 | 40 |
| Omeprazole | 127 | 38 |
| Amlodipine Besylate | 112 | 30 |
| Estradiol | 87 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$245 across 5 records (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
Registry dates
- Enumerated
- 2008-07-02
- Last updated
- 2008-07-02
Frequently asked questions
- What is Lynne Tan's NPI number?
- Lynne Tan's National Provider Identifier (NPI) is 1881856680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynne Tan's specialty?
- Lynne Tan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lynne Tan located?
- Lynne Tan's practice location on file with NPPES is 550 16th Ave, Seattle, WA 98122-5699.
- What is Lynne Tan's phone number?
- The practice phone number listed in the NPPES registry for Lynne Tan is (206) 320-3233.
- Does Lynne Tan accept Medicare?
- Lynne Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynne Tan's NPI active?
- Yes — Lynne Tan's NPI (1881856680) is active in the NPPES registry as of the last update on 2008-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.