Judith O. Son, MD
Internal Medicine Physician · Olympia, WA
Judith O. Son, MD is an internal medicine physician with a practice address in Olympia, Washington, and NPI 1518012632, issued on Jan 25, 2007. Check the license (Washington MD 00034244, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Judith O. Son
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD 00034244 WA
Self-reported in NPPES; status is on the state search - Practice location
- 404 Black Hills LN SW Ste D, Olympia, WA 98502
- Phone
- (360) 528-2100
- Enumerated
- Jan 25, 2007
- Record last updated
- Dec 7, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (360) 528-2104
- Medicaid ID
- 1025053 WA
- Medicare enrollment
- Enrolled (PECOS I20040824000908); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 404 Black Hills LN SW Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shane Son, MDFamily Medicine Physician1225180698
Verify Judith O. Son in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD 00034244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,077 Medicare Part D claims for 157 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 105 claims were for opioids.
Most prescribed
- Amlodipine Besylate141 claims
- Losartan Potassium122 claims
- Atorvastatin Calcium88 claims
- Rosuvastatin Calcium88 claims
- Levothyroxine Sodium80 claims
- Metformin Hcl78 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.
Industry payments in 2024: $558.08
22 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Health And Services WashingtonCentralia, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Judith O. Son among 3,079 internal medicine physician records in Washington
Judith O. Son, 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1989 · median 2006 among the 1,852 with a school on file
- Record last updated2012 · 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).
78 internal medicine physician records list a practice address in Olympia
They are 78 of the 5,034 NPPES records with a practice address in Olympia, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Olympia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ngozi AchebeOlympia, WA 985021053320309
- Virginia CannonOlympia, WA 985021609971365
- Michael Herring, MDOlympia, WA 985021164581781
- Eric Klein, MDOlympia, WA 985021083612568
- Tui Lauilefue, MDOlympia, WA 985021003176207
- Rebecca March, DOOlympia, WA 985021407261936
- Ashok Ponniah, D.O.Olympia, WA 985021144644345
- Tiong Pouw, MDOlympia, WA 985021164534244
Common questions
What is Judith O. Son, MD's NPI number?
Judith O. Son, MD's National Provider Identifier (NPI) is 1518012632, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Judith O. Son, MD located?
The NPPES record lists a practice address at 404 Black Hills LN SW Ste D, Olympia, WA, 98502. Phone: (360) 528-2100. Providers update this record themselves, so call before visiting.
How can I verify Judith O. Son, MD's license?
NPPES lists Washington license number MD 00034244, 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 Judith O. Son, MD prescribe under Medicare Part D?
In 2024, Judith O. Son, MD had 2,077 Medicare Part D claims for 157 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.