Craig V. Showalter, MD
Addiction Psychiatry Physician · Northfield, IL
Craig V. Showalter, MD is an addiction psychiatry physician with a practice address in Northfield, Illinois, and NPI 1548299340, issued on Jul 2, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Craig V. Showalter
- Credential
- MD
- Primary taxonomy
- Addiction Psychiatry Physician 2084P0802X
- Practice location
- 1829 Winnetka Ave, Northfield, IL 60093
- Phone
- (847) 446-6464
- Enumerated
- Jul 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (847) 446-9898
- Medicare enrollment
- Enrolled (PECOS I20120117000269); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1968
- Entity
- Type 1 · individual
8 nearest addiction psychiatry physician records → All 19 in Illinois → Look up another NPI →
Verify Craig V. Showalter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average addiction psychiatry physician in 2024
137 Medicare Part D claims for 14 beneficiaries, against an average of 716 among the 421 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Buprenorphine-Naloxone36 claims
- Alprazolam26 claims
- Diazepam23 claims
- Fluoxetine Hcl13 claims
- Clonazepam11 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
- County OF LakeWaukegan, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Craig V. Showalter among 19 addiction psychiatry physician records in Illinois
Craig V. Showalter, MD is one of 19 addiction psychiatry physician records with a practice address in Illinois. 53% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileYes · 16% of these records are
- Record last updated2007 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0802X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Psychiatry Physician providers in Illinois
There are 19 addiction psychiatry physician records in Illinois.
All 19 in Illinois → Every provider in Northfield → Addiction Psychiatry Physician nationwide →
The 8 addiction psychiatry physician records with the nearest ZIP codes
- Deepali Gershan, M.D.Northbrook, IL 600621184949380
- Eric Wilson, M.D.Evanston, IL 602021437342193
- Jeffrey Roth, MDChicago, IL 606021396752721
- Katie Washington Cole, MD-PHDChicago, IL 606021912352469
- Babatunde Okuleye, M.D., MBAChicago, IL 606041588872055
- Diana Alnemri, MDChicago, IL 606111902543382
- Ishani Dalal, D.O.Chicago, IL 606111013141803
- Jonathan Henry, MDChicago, IL 606111427430651
Common questions
What is Craig V. Showalter, MD's NPI number?
Craig V. Showalter, MD's National Provider Identifier (NPI) is 1548299340, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Craig V. Showalter, MD located?
The NPPES record lists a practice address at 1829 Winnetka Ave, Northfield, IL, 60093. Phone: (847) 446-6464. Providers update this record themselves, so call before visiting.
How can I verify Craig V. Showalter, MD's license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Craig V. Showalter, MD prescribe under Medicare Part D?
In 2024, Craig V. Showalter, MD had 137 Medicare Part D claims for 14 beneficiaries; the average among addiction psychiatry physician prescribers was 716. 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.