Susan Holstine, D.O.
Internal Medicine Physician · Bellingham, WA
Susan Holstine, D.O. is an internal medicine physician with a practice address in Bellingham, Washington, and NPI 1245299619, issued on Mar 22, 2006. Check the license (Washington OP00001836, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Susan Holstine
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OP00001836 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2901 Squalicum Pkwy, Bellingham, WA 98225
- Phone
- (360) 734-5400
- Enumerated
- Mar 22, 2006
- Record last updated
- Oct 18, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (360) 756-6847
- Medicaid ID
- 8321747 WA
- Medicare enrollment
- Enrolled (PECOS I20041124000043); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 2901 Squalicum Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patricia Banas, SLPSpeech-Language Pathologist1295157782
Verify Susan Holstine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP00001836Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
272 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 15 claims were for opioids.
Most prescribed
- Carvedilol13 claims
- Losartan Potassium13 claims
- Oxycodone Hcl12 claims
- Cefpodoxime Proxetil11 claims
- Pantoprazole Sodium11 claims
- Spironolactone11 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
- South Sound Inpatient Physicians PLLCBellingham, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan Holstine among 3,079 internal medicine physician records in Washington
Susan Holstine, D.O. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2006 among the 1,852 with a school on file
- Record last updated2007 · 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).
84 internal medicine physician records list a practice address in Bellingham
They are 84 of the 5,172 NPPES records with a practice address in Bellingham, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Bellingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Megan Ellingsen, MDBellingham, WA 982251790866424
- Elizabeth Gabay, MDBellingham, WA 982251932127222
- Eduardo Goo, MDBellingham, WA 982251376561266
- Gittle Goodman Wilson, MDBellingham, WA 982251811034234
- Omar Jaffer, MDBellingham, WA 982251700095494
- Mahnaz Lary, MDBellingham, WA 982251285732289
- Angie Lee, MDBellingham, WA 982251386788784
- Anthony Marfin, M.D.Bellingham, WA 982251083780746
Common questions
What is Susan Holstine, D.O.'s NPI number?
Susan Holstine, D.O.'s National Provider Identifier (NPI) is 1245299619, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susan Holstine, D.O. located?
The NPPES record lists a practice address at 2901 Squalicum Pkwy, Bellingham, WA, 98225. Phone: (360) 734-5400. Providers update this record themselves, so call before visiting.
How can I verify Susan Holstine, D.O.'s license?
NPPES lists Washington license number OP00001836, 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 Susan Holstine, D.O. prescribe under Medicare Part D?
In 2024, Susan Holstine, D.O. had 272 Medicare Part D claims for 106 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.