William N. Arnold, MD
Psychiatry Physician · Carmel, IN
William N. Arnold, MD is a psychiatry physician with a practice address in Carmel, Indiana, and NPI 1063485902, issued on Feb 10, 2006. Check the license (Indiana 01042483, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- William N. Arnold
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 01042483 IN
Self-reported in NPPES; status is on the state search - Practice location
- 38 Twinshore CT, Carmel, IN 46033
- Phone
- (317) 796-8316
- Enumerated
- Feb 10, 2006
- Record last updated
- Dec 26, 2023
- Medicaid ID
- 100470990 IN
- Medicare enrollment
- Enrolled (PECOS I20101215000797); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 672 in Indiana → Look up another NPI →
Verify William N. Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01042483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average psychiatry physician in 2024
724 Medicare Part D claims for 86 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Escitalopram Oxalate97 claims
- Trazodone Hcl85 claims
- Sertraline Hcl81 claims
- Mirtazapine80 claims
- Divalproex Sodium72 claims
- Olanzapine45 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
- State OF Indiana Auditor OF StateWest Lafayette, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William N. Arnold among 672 psychiatry physician records in Indiana
William N. Arnold, MD is one of 672 psychiatry physician records with a practice address in Indiana. 73% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1986 · median 2003 among the 341 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Indiana
There are 672 psychiatry physician records in Indiana.
All 672 in Indiana → Every provider in Carmel → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Michael Detke, M.D.Carmel, IN 460331275570558
- Prasanna Chinthala, M.DCarmel, IN 460321902913718
- Maya Cloyd, MDCarmel, IN 460321528695681
- Beili Dong, MDCarmel, IN 460321225269186
- Charles Evans, DOCarmel, IN 460321316334899
- Tyler Flaningham, M.D.Carmel, IN 460321538369053
- Zeba Madni, MDCarmel, IN 460321548423858
- Christine Miller, D.O.Carmel, IN 460321588975411
Common questions
What is William N. Arnold, MD's NPI number?
William N. Arnold, MD's National Provider Identifier (NPI) is 1063485902, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William N. Arnold, MD located?
The NPPES record lists a practice address at 38 Twinshore CT, Carmel, IN, 46033. Phone: (317) 796-8316. Providers update this record themselves, so call before visiting.
How can I verify William N. Arnold, MD's license?
NPPES lists Indiana license number 01042483, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William N. Arnold, MD prescribe under Medicare Part D?
In 2024, William N. Arnold, MD had 724 Medicare Part D claims for 86 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.