What is Nickolas Armstrong's NPI number?

Nickolas Armstrong's National Provider Identifier (NPI) is 1205443975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nickolas Armstrong's specialty?

Nickolas Armstrong is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).

Where is Nickolas Armstrong located?

Nickolas Armstrong's practice location on file with NPPES is 1451 Merchant Dr, Algonquin, IL 60102-5917.

What is Nickolas Armstrong's phone number?

The practice phone number listed in the NPPES registry for Nickolas Armstrong is (847) 469-7537.

Does Nickolas Armstrong accept Medicare?

Nickolas Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Nickolas Armstrong's NPI active?

Yes — Nickolas Armstrong's NPI (1205443975) is active in the NPPES registry as of the last update on 2025-09-23.

IndividualActiveAccepts Medicare

Nickolas Armstrong, PSY.D.

NPI 1205443975 · Clinical Neuropsychologist · Algonquin, IL

Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Nickolas Armstrong, PSY.D. is a Clinical Neuropsychologist provider in Algonquin, IL (NPI 1205443975).

Provider details

NPI number: 1205443975
Entity type: Individual
Primary specialty: Clinical NeuropsychologistBehavioral Health & Social Service Providers
Credential: PSY.D.
Sex: Male
Sole proprietor: Yes
License: 100313 (IA)

Specialties & taxonomies

Clinical NeuropsychologistPrimary103G00000XLicense 071.010550 (IL)
Behavioral Health & Social Service Providers
Clinical Psychologist103TC0700XLicense 100313 (IA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(61/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
5 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
8 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
463 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Evaluation of Neuropsychological Test, Each Additional Hour96133	165	$98
Administration of Psychological Or Neuropsychological Test By Technician, Each Additional 30 Minutes96139	165	$36
Psychotherapy, 1 Hour90837	34	$136
Psychiatric Diagnostic Evaluation90791	33	$174
Evaluation of Neuropsychological Test, First Hour96132	33	$130
Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138	33	$35

Typical Medicare-allowed amounts for these services range $35–$174 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

Practice location

1451 Merchant Dr

Algonquin, IL 60102-5917

Phone: (847) 469-7537

Fax: (847) 469-7540

Street-level locationGet directions

More IL providers

Mailing address