Marshall Polakoff, PSYD
Psychologist · Ottawa, IL
Marshall Polakoff, PSYD is a psychologist with a practice address in Ottawa, Illinois, and NPI 1437237443, issued on Nov 1, 2006. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marshall Polakoff
- Credential
- PSYD
- Primary taxonomy
- Psychologist 103T00000X
- Practice location
- 2590 Covel Bluff RD, Ottawa, IL 61350
- Phone
- (815) 434-0806
- Enumerated
- Nov 1, 2006
- Record last updated
- Aug 14, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (815) 434-0806
- Medicare enrollment
- Enrolled (PECOS I20040505001290); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 1,011 in Illinois → Look up another NPI →
Verify Marshall Polakoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marshall Polakoff among 1,011 psychologist records in Illinois
Marshall Polakoff, PSYD is one of 1,011 psychologist records with a practice address in Illinois. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 75% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated1983 · median 2001 among the 201 with a school on file
- Record last updated2012 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Illinois
There are 1,011 psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,011 in Illinois → Every provider in Ottawa → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Sara O'Brien, PH.D.Galesburg, IL 614011922550185
- Stacie PetitgoutCuba, IL 614271598280133
- Thomas Dhanens, PH.D.Moline, IL 612651548285356
- Lynn Garvin-Huntley, PH.DMoline, IL 612651679584544
- Sharon Lash, PSY.D.Moline, IL 612651780695668
- Gary Ludwig, PH.DMoline, IL 612651528078987
- R. McCollum, PHDMoline, IL 612651740319821
- Gary Nordick, PSY.D.Moline, IL 612651396755740
Common questions
What is Marshall Polakoff, PSYD's NPI number?
Marshall Polakoff, PSYD's National Provider Identifier (NPI) is 1437237443, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marshall Polakoff, PSYD located?
The NPPES record lists a practice address at 2590 Covel Bluff RD, Ottawa, IL, 61350. Phone: (815) 434-0806. Providers update this record themselves, so call before visiting.
How can I verify Marshall Polakoff, PSYD's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.