See-Yin So
Obstetrics & Gynecology Physician · Bellingham, WA
See-Yin So is an obstetrics & gynecology physician with a practice address in Bellingham, Washington, and NPI 1972920148, issued on Mar 25, 2014. Check the license (Washington OP61162803, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- See-Yin So
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- OP61162803 WA
34013456 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4465 Cordata Pkwy Ste 102, Bellingham, WA 98226
- Phone
- (360) 752-5280
- Enumerated
- Mar 25, 2014
- Record last updated
- Feb 3, 2022
- Fax
- (360) 752-5282
- Medicare enrollment
- Enrolled (PECOS I20211015002073); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,038 in Washington → Look up another NPI →
Also registered at 4465 Cordata Pkwy Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katie Armbruster, PA-CPhysician Assistant1942816186
- Katrina Hanna, CNM, ARNPAdvanced Practice Midwife1831347178
- Therese Horan, CNMAdvanced Practice Midwife1629308887
- Tammy Kelly, M.D.Obstetrics & Gynecology Physician1710986997
- Brigitta Mast Drolet, M.D.Obstetrics & Gynecology Physician1457738999
- Lindsay Parker, DOObstetrics & Gynecology Physician1124462791
Verify See-Yin So in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61162803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
53 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol16 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
- PeacehealthBellingham, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
See-Yin So among 1,038 obstetrics & gynecology physician records in Washington
See-Yin So is one of 1,038 obstetrics & gynecology physician records with a practice address in Washington. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 79% of them.
- NPI issued2014 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2014 · median 2007 among the 582 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Washington
There are 1,038 obstetrics & gynecology physician records in Washington.
All 1,038 in Washington → Every provider in Bellingham → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Nena Barnhart, M.D.Bellingham, WA 982261154562247
- Lindsay EmerickBellingham, WA 982261174935035
- Cheryl Kellert, M.D.Bellingham, WA 982261801871108
- Tammy Kelly, M.D.Bellingham, WA 982261710986997
- Dina Levin, MDBellingham, WA 982261669496907
- Brigitta Mast Drolet, M.D.Bellingham, WA 982261457738999
- Lindsay Parker, DOBellingham, WA 982261124462791
- Eve Preus, MDBellingham, WA 982261154680072
Common questions
What is See-Yin So's NPI number?
See-Yin So's National Provider Identifier (NPI) is 1972920148, issued on Mar 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is See-Yin So located?
The NPPES record lists a practice address at 4465 Cordata Pkwy Ste 102, Bellingham, WA, 98226. Phone: (360) 752-5280. Providers update this record themselves, so call before visiting.
How can I verify See-Yin So's license?
NPPES lists Washington license number OP61162803, 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 See-Yin So prescribe under Medicare Part D?
In 2024, See-Yin So had 53 Medicare Part D claims for 21 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.