Timothy P. Armstrong, MD
Neurology Physician · Bellingham, WA
Timothy P. Armstrong, MD is a neurology physician with a practice address in Bellingham, Washington, and NPI 1871641688, issued on Jan 8, 2007. Check the license (Washington MD60913179, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Timothy P. Armstrong
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- MD60913179 WA
G56333 CA
Self-reported in NPPES; status is on the state search - Practice location
- Peacehealth Medical Group, Bellingham, WA 98225
- Phone
- (360) 788-6870
- Enumerated
- Jan 8, 2007
- Record last updated
- Jul 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (360) 788-6872
- Medicare enrollment
- Enrolled (PECOS I20190517000907); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 489 in Washington → Look up another NPI →
Also registered at Peacehealth Medical Group
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Nelson, ANPHospice and Palliative Medicine (Family Medicine) Physician1235579004
- Kevin Steel, D.O.Cardiovascular Disease Physician1578624979
- Jimmy YeeInterventional Cardiology Physician1386040616
Verify Timothy P. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60913179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% more Medicare Part D claims than the average neurology physician in 2024
2,624 Medicare Part D claims for 468 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 27 claims were for opioids.
Most prescribed
- Carbidopa-Levodopa236 claims
- Carbidopa-Levodopa Er172 claims
- Levetiracetam170 claims
- Donepezil Hcl168 claims
- Lamotrigine140 claims
- Gabapentin109 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).
Timothy P. Armstrong among 489 neurology physician records in Washington
Timothy P. Armstrong, MD is one of 489 neurology physician records with a practice address in Washington. 82% 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 40% of them.
- NPI issued2007 · 40% of these records are older, 49% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1984 · median 2007 among the 351 with a school on file
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Washington
There are 489 neurology physician records in Washington.
All 489 in Washington → Every provider in Bellingham → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Seema Afridi, MDBellingham, WA 982251831381219
- Douglas Cragin, M.D.Bellingham, WA 982251336203868
- Taas King, D.OBellingham, WA 982251417154113
- Laura Koehn, M.D.Bellingham, WA 982251972822658
- Huan Li, M.D., PH.D.Bellingham, WA 982251548502594
- Bruce Mackay, MDBellingham, WA 982251902837180
- Peter Pacut, MDBellingham, WA 982251568026433
- Suprasad Rao, MDBellingham, WA 982251467490631
Common questions
What is Timothy P. Armstrong, MD's NPI number?
Timothy P. Armstrong, MD's National Provider Identifier (NPI) is 1871641688, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy P. Armstrong, MD located?
The NPPES record lists a practice address at Peacehealth Medical Group, Bellingham, WA, 98225. Phone: (360) 788-6870. Providers update this record themselves, so call before visiting.
How can I verify Timothy P. Armstrong, MD's license?
NPPES lists Washington license number MD60913179, 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 Timothy P. Armstrong, MD prescribe under Medicare Part D?
In 2024, Timothy P. Armstrong, MD had 2,624 Medicare Part D claims for 468 beneficiaries; the average among neurology physician prescribers was 1,370. 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.