Olivia Nirmalasari, MD
NPI 1821302225 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Nirmalasari, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1821302225).
Provider details
- NPI number
- 1821302225
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 01085545A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
395 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 | 133 | $90 |
| 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 | 115 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $61 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $134 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 24 | $76 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 228 | 64 |
| Amlodipine Besylate | 201 | 66 |
| Gabapentin | 126 | 37 |
| Lisinopril | 107 | 28 |
| Memantine Hcl | 104 | 23 |
| Trazodone Hcl | 90 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Additional practice locations (1)
- 720 Eskenazi AveIndianapolis, IN 46202-5187Phone: (317) 880-7666
Registry dates
- Enumerated
- 2010-07-28
- Last updated
- 2025-09-25
- Certified
- 2025-09-25
Frequently asked questions
- What is Olivia Nirmalasari's NPI number?
- Olivia Nirmalasari's National Provider Identifier (NPI) is 1821302225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Nirmalasari's specialty?
- Olivia Nirmalasari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Olivia Nirmalasari located?
- Olivia Nirmalasari's practice location on file with NPPES is 4515 Martin Luther King Jr Way S, Seattle, WA 98108-2183.
- What is Olivia Nirmalasari's phone number?
- The practice phone number listed in the NPPES registry for Olivia Nirmalasari is (206) 320-5325.
- Does Olivia Nirmalasari accept Medicare?
- Olivia Nirmalasari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Nirmalasari's NPI active?
- Yes — Olivia Nirmalasari's NPI (1821302225) is active in the NPPES registry as of the last update on 2025-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.