Neil Joseph Fialkow, M.D.
Psychiatry Physician · Northfield, IL
Neil Joseph Fialkow, M.D. is a psychiatry physician with a practice address in Northfield, Illinois, and NPI 1508982174, issued on Mar 22, 2007. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Neil Joseph Fialkow
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- Practice location
- 310 Happ RD, Northfield, IL 60093
- Phone
- (847) 501-4418
- Enumerated
- Mar 22, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (847) 501-4485
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 310 Happ RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine Carrane, LCSWClinical Social Worker1487878732
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- Carol Meynen, M.D.Gynecology Physician1821073339
- Penny Powers Beitler, LMFTMarriage & Family Therapist1316236425
- Amy Wong, D.D.S.General Practice Dentistry1588829824
Verify Neil Joseph Fialkow 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
42% fewer Medicare Part D claims than the average psychiatry physician in 2024
583 Medicare Part D claims for 37 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
- Sertraline Hcl54 claims
- Escitalopram Oxalate51 claims
- Duloxetine Hcl42 claims
- Lamotrigine40 claims
- Fluoxetine Hcl38 claims
- Lorazepam37 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.
Neil Joseph Fialkow among 2,147 psychiatry physician records in Illinois
Neil Joseph Fialkow, M.D. is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% 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 35% of them.
- NPI issued2007 · 35% of these records are older, 50% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2025 · 53% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 psychiatry physician records list a practice address in Northfield
They are 9 of the 550 NPPES records with a practice address in Northfield, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Northfield → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Robert Burton, M.D.Winnetka, IL 600931831312131
- Stephanie Cavanaugh, MDWinnetka, IL 600931073523015
- Susan Clark, MDWinnetka, IL 600931811066319
- Gilla Davis, MDNorthfield, IL 600931720135502
- Prudence Gourguechon, M.D.Northfield, IL 600931912085259
- Henry Lahmeyer, MD SCNorthfield, IL 600931861613358
- Susan Lin, M.D.Northfield, IL 600931700826112
- Alexander Morrill, M.D.Northfield, IL 600931932374873
Common questions
What is Neil Joseph Fialkow, M.D.'s NPI number?
Neil Joseph Fialkow, M.D.'s National Provider Identifier (NPI) is 1508982174, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Neil Joseph Fialkow, M.D. located?
The NPPES record lists a practice address at 310 Happ RD, Northfield, IL, 60093. Phone: (847) 501-4418. Providers update this record themselves, so call before visiting.
How can I verify Neil Joseph Fialkow, M.D.'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 Neil Joseph Fialkow, M.D. prescribe under Medicare Part D?
In 2024, Neil Joseph Fialkow, M.D. had 583 Medicare Part D claims for 37 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.