Quick answers
- Does Shanta Pillai accept Medicare assignment?
- Yes. Medicare's clinician data says Shanta Pillai accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Shanta Pillai see?
- In 2024, CMS data shows 135 Original Medicare patients and 284 services for Shanta Pillai. This counts Original Medicare only and measures volume, not quality.
- What is Shanta Pillai's NPI number?
- 1558821686. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Shanta Pillai, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 135 |
|---|---|
| Services billed to Medicare | 284 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)128 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)90 services
- Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation (G0399)28 services
- Sleep study in sleep lab (6 years or older) (95810)21 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure60%
- Arthritis42%
- Ischemic heart disease26%
- Depression25%
- Anxiety24%
Hospitals where Shanta Pillai works
Medicare's Facility Affiliation Data lists Shanta Pillai at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Swedish Medical Center / Cherry HillSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500025
Practice locations
Addresses where Shanta Pillai is enrolled with Medicare (CMS data updated October 2, 2026).
- 904 7th AveSeattle, WA 98104 (206) 309‑1760
Group practices
Medicare enrollment lists Shanta Pillai as a member of this group (CMS data updated October 2, 2026).
- The Polyclinic PLLC365 clinicians in the group
Specialties
- Sleep Medicineprimary
Other sleep medicine doctors in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in The Polyclinic PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558821686 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians