Leena Chacko, MD
NPI 1639206139 · Family Medicine Physician · Redmond, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leena Chacko, MD is a Family Medicine Physician provider in Redmond, WA (NPI 1639206139).
Provider details
- NPI number
- 1639206139
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00047003 (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
155 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 61 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $141 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 12 | $143 |
Typical Medicare-allowed amounts for these services range $18–$143 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 76 | 31 |
| Atorvastatin Calcium | 72 | 36 |
| Losartan Potassium | 50 | 20 |
| Lisinopril | 47 | 19 |
| Amlodipine Besylate | 46 | 21 |
| Metformin Hcl | 32 | 13 |
| Simvastatin | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-28
- Last updated
- 2024-11-20
- Certified
- 2024-11-20
Frequently asked questions
- What is Leena Chacko's NPI number?
- Leena Chacko's National Provider Identifier (NPI) is 1639206139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leena Chacko's specialty?
- Leena Chacko is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leena Chacko located?
- Leena Chacko's practice location on file with NPPES is 18100 Ne Union Hill Rd Ste 200, Redmond, WA 98052-3330.
- What is Leena Chacko's phone number?
- The practice phone number listed in the NPPES registry for Leena Chacko is (206) 320-5190.
- Does Leena Chacko accept Medicare?
- Leena Chacko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leena Chacko's NPI active?
- Yes — Leena Chacko's NPI (1639206139) is active in the NPPES registry as of the last update on 2024-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.