NPPES file of Aug 9, 2026

Olivia Nirmalasari, MD

Internal Medicine Physician · Seattle, WA

Olivia Nirmalasari, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1821302225, issued on Jul 28, 2010. Check the license (Washington MD60529766, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821302225
Name
Olivia Nirmalasari
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD60529766 WA
01085545A IN
Self-reported in NPPES; status is on the state search
Practice location
4515 Martin Luther King JR Way S, Seattle, WA 98108
Phone
(206) 320-5325
Enumerated
Jul 28, 2010
Record last updated
Sep 25, 2025
Fax
(206) 320-5326
Medicare enrollment
Enrolled (PECOS I20211104001866); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4515 Martin Luther King JR Way S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cathy Addis, RNHome Health Registered Nurse1669729539
  2. Barbara Bertucio, PTPhysical Therapist1992052559
  3. Susan Broadhurst, OTOccupational Therapist1245562172
  4. Brenda Carlock, RN, BSNRegistered Nurse1740537570
  5. Melanie Cave, M.S., R.D.Registered Dietitian1093062432
  6. Yan Chen, M.D.Geriatric Medicine (Internal Medicine) Physician1609118496

Verify Olivia Nirmalasari in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60529766
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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About as many Medicare Part D claims as the average internal medicine physician in 2024

3,177 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 66 claims were for opioids.

  1. Olivia Nirmalasari3,177
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium228 claims
  2. Amlodipine Besylate201 claims
  3. Gabapentin126 claims
  4. Lisinopril107 claims
  5. Memantine Hcl104 claims
  6. Trazodone Hcl90 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. The Health And Hospital Corporation OF Marion CountyIndianapolis, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Olivia Nirmalasari among 3,079 internal medicine physician records in Washington

Olivia Nirmalasari, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 62% of them.

  • NPI issued2010 · 62% of these records are older, 35% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2007 · median 2006 among the 1,852 with a school on file
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

821 internal medicine physician records list a practice address in Seattle

They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Douglas Berger, MDSeattle, WA 981081295748762
  2. Edward Boyko, M.D.Seattle, WA 981081831295401
  3. Paul Cornia, M.D.Seattle, WA 981081730291782
  4. Danielle Frank, M.D.Seattle, WA 981081518063213
  5. Sharon Gill, MDSeattle, WA 981081306956834
  6. Jan Hirschmann, MDSeattle, WA 981081770692402
  7. Kamala Jain, MDSeattle, WA 981081770680886
  8. Mehraneh Khalighi, MDSeattle, WA 981081710089693

Common questions

What is Olivia Nirmalasari, MD's NPI number?

Olivia Nirmalasari, MD's National Provider Identifier (NPI) is 1821302225, issued on Jul 28, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Olivia Nirmalasari, MD located?

The NPPES record lists a practice address at 4515 Martin Luther King JR Way S, Seattle, WA, 98108. Phone: (206) 320-5325. Providers update this record themselves, so call before visiting.

How can I verify Olivia Nirmalasari, MD's license?

NPPES lists Washington license number MD60529766, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Olivia Nirmalasari, MD prescribe under Medicare Part D?

In 2024, Olivia Nirmalasari, MD had 3,177 Medicare Part D claims for 268 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.