James P. Twesten-Otoole, MD
Addiction Medicine (Family Medicine) Physician · Norton Shores, MI
James P. Twesten-Otoole, MD is an addiction medicine (family medicine) physician with a practice address in Norton Shores, Michigan, and NPI 1174599344, issued on Feb 27, 2006. Check the license (Michigan 4301072802, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- James P. Twesten-Otoole
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License number
- 4301072802 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3570 Henry St, Norton Shores, MI 49441
- Phone
- (616) 685-6920
- Enumerated
- Feb 27, 2006
- Record last updated
- Jul 11, 2023
- Fax
- (231) 672-7717
- Medicaid ID
- 1174599344 MI
- Medicare enrollment
- Enrolled (PECOS I20031219000437); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1998
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 37 in Michigan → Look up another NPI →
Also registered at 3570 Henry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gabriel Dunn, M.D.Family Medicine Physician1477818854
- Alexus HelmsBehavior Technician1104628643
Verify James P. Twesten-Otoole in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301072802Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
983 Medicare Part D claims for 247 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone196 claims
- Naltrexone Hcl73 claims
- Atorvastatin Calcium42 claims
- Acamprosate Calcium29 claims
- Amlodipine Besylate28 claims
- Bupropion Hcl Sr26 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
- Mercy Physician NetworkNorton Shores, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James P. Twesten-Otoole among 37 addiction medicine (family medicine) physician records in Michigan
James P. Twesten-Otoole, MD is one of 37 addiction medicine (family medicine) physician records with a practice address in Michigan. 81% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 49% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2000 among the 23 with a school on file
- Record last updated2023 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in Michigan
There are 37 addiction medicine (family medicine) physician records in Michigan.
All 37 in Michigan → Every provider in Norton Shores → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Shelley Schertzer, NPHolland, MI 494231194137059
- Julie Brockman, APRN-CNPGrandville, MI 494181104668102
- Lisa Smith, MDGrand Rapids, MI 495031366498131
- Jason Beatty, DOAlpena, MI 497071013150580
- Cicely Moreno, M.D.Niles, MI 491201285171827
- Thomas Kates, DOMarquette, MI 498551104276872
- Lorenz Kielhorn, M.D.Kalamazoo, MI 490011891816427
- Kristianna Matthewis, MDEssexville, MI 487321235120023
Common questions
What is James P. Twesten-Otoole, MD's NPI number?
James P. Twesten-Otoole, MD's National Provider Identifier (NPI) is 1174599344, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James P. Twesten-Otoole, MD located?
The NPPES record lists a practice address at 3570 Henry St, Norton Shores, MI, 49441. Phone: (616) 685-6920. Providers update this record themselves, so call before visiting.
How can I verify James P. Twesten-Otoole, MD's license?
NPPES lists Michigan license number 4301072802, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James P. Twesten-Otoole, MD prescribe under Medicare Part D?
In 2024, James P. Twesten-Otoole, MD had 983 Medicare Part D claims for 247 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.