Michael James Twomey, MD
Family Medicine Physician · Boise, ID
Michael James Twomey, MD is a family medicine physician with a practice address in Boise, Idaho, and NPI 1073924239, issued on May 9, 2014. Check the license (Idaho M-13205, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael James Twomey
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- M-13205 ID
MRM-1399 ID
MD186098 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2141 E Parkcenter Blvd, Boise, ID 83706
- Phone
- (208) 302-5000
- Enumerated
- May 9, 2014
- Record last updated
- Jan 5, 2026
- Fax
- (208) 302-5055
- Medicare enrollment
- Enrolled (PECOS I20180201002682); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,316 in Idaho → Look up another NPI →
Also registered at 2141 E Parkcenter Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael James Twomey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M-13205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
593 Medicare Part D claims for 89 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium29 claims
- Levothyroxine Sodium22 claims
- Amlodipine Besylate21 claims
- Gabapentin18 claims
- Olmesartan Medoxomil17 claims
- Omeprazole16 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
- Saint Alphonsus Regional Medical Center IncBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael James Twomey among 1,316 family medicine physician records in Idaho
Michael James Twomey, MD is one of 1,316 family medicine physician records with a practice address in Idaho. 78% 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 63% of them.
- NPI issued2014 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2009 among the 793 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
315 family medicine physician records list a practice address in Boise
They are 315 of the 9,467 NPPES records with a practice address in Boise, and 1,316 family medicine physician records in Idaho.
All 1,316 in Idaho → Every provider in Boise → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Ballance, MDBoise, ID 837061881654820
- David Beardmore, M.D.Boise, ID 837061437103934
- Thornton Bryan, MDBoise, ID 837061003808924
- Angeline Devitt, MDBoise, ID 837061659324358
- Sheila Giffen, MDBoise, ID 837061013957802
- Donald Hartman, MDBoise, ID 837061588669410
- Scott Lossmann, MDBoise, ID 837061720032725
- Mark Michaud, MDBoise, ID 837061780621128
Common questions
What is Michael James Twomey, MD's NPI number?
Michael James Twomey, MD's National Provider Identifier (NPI) is 1073924239, issued on May 9, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Michael James Twomey, MD located?
The NPPES record lists a practice address at 2141 E Parkcenter Blvd, Boise, ID, 83706. Phone: (208) 302-5000. Providers update this record themselves, so call before visiting.
How can I verify Michael James Twomey, MD's license?
NPPES lists Idaho license number M-13205, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael James Twomey, MD prescribe under Medicare Part D?
In 2024, Michael James Twomey, MD had 593 Medicare Part D claims for 89 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.