James S. Castle, MD
Neurology Physician · Highland Park, IL
James S. Castle, MD is a neurology physician with a practice address in Highland Park, Illinois, and NPI 1992909667, issued on Jun 14, 2007. Check the license (Illinois 036-120124, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James S. Castle
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 036-120124 IL
A93145 CA
Self-reported in NPPES; status is on the state search - Practice location
- 757 Park Ave West, Highland Park, IL 60035
- Phone
- (847) 570-2570
- Enumerated
- Jun 14, 2007
- Record last updated
- Feb 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 926-5353
- Medicare enrollment
- Enrolled (PECOS I20080603000578); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 952 in Illinois → Look up another NPI →
Verify James S. Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-120124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average neurology physician in 2024
2,291 Medicare Part D claims for 506 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Donepezil Hcl528 claims
- Memantine Hcl418 claims
- Sertraline Hcl197 claims
- Rivastigmine84 claims
- Gabapentin81 claims
- Trazodone Hcl75 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Rush University Medical GroupChicago, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James S. Castle among 952 neurology physician records in Illinois
James S. Castle, MD is one of 952 neurology physician records with a practice address in Illinois. 79% 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 32% of them.
- NPI issued2007 · 32% of these records are older, 58% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2002 · median 2006 among the 573 with a school on file
- Record last updated2021 · 42% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Illinois
There are 952 neurology physician records in Illinois.
All 952 in Illinois → Every provider in Highland Park → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Janet Choi, MDHighland Park, IL 600351386841260
- Tiffani Franada, D.O.Highland Park, IL 600351871810291
- Sulaiman Mohammad, M.D.Gurnee, IL 600311407185499
- Galo Tan, MDGurnee, IL 600311003801226
- Reuben Weisz, M.D.Gurnee, IL 600311689670366
- Noushin Ansari, M.D.Glenview, IL 600261225415649
- Elham Azizi, MDGlenview, IL 600261538665286
- Ana Thereza Barion, MDGlenview, IL 600261083889232
Common questions
What is James S. Castle, MD's NPI number?
James S. Castle, MD's National Provider Identifier (NPI) is 1992909667, issued on Jun 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James S. Castle, MD located?
The NPPES record lists a practice address at 757 Park Ave West, Highland Park, IL, 60035. Phone: (847) 570-2570. Providers update this record themselves, so call before visiting.
How can I verify James S. Castle, MD's license?
NPPES lists Illinois license number 036-120124, as entered by the provider. 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 James S. Castle, MD prescribe under Medicare Part D?
In 2024, James S. Castle, MD had 2,291 Medicare Part D claims for 506 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is James S. Castle, MD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.