Alex P Pallas, DO

Diagnostic Radiology · Interventional Radiology (CMS) · Mchenry, IL

Call (815) 334-5566 Directions

At a glance

4201 W Medical Center Dr, Mchenry, IL 60050-8409

NPPES record updated Oct 30, 2025. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

4201 W Medical Center Dr
Mchenry, IL 60050-8409

Additional reported practice locations

6305 Coyle Ave
Carmichael, CA 956080438
Phone: 8443276128
Fax: 9164088000
1702 Esplanade
Chico, CA 959263315
Phone: 5308980504
5974 Pentz Rd
Paradise, CA 959695509
Phone: 5308779361
1531 Esplanade
Chico, CA 959263310
Phone: 5303327300
1800 E Park Ave
State College, PA 168036701
Phone: 8142317000 · Ext. 6764
Fax: 8142317098
1700 Old Gatesburg Rd
State College, PA 168032276
Phone: 8142783280
Fax: 8142317098
2000 S Mays St Ste 201
Round Rock, TX 786647580
Phone: 5122444272
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
Not reported in this file
Graduation year
2010
CMS specialties
Diagnostic Radiology · Interventional Radiology

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

Advertisement
Advertising spaceAdvertisements are separate from provider records.
PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

Explore similar providers →
PAYMENT TRANSPARENCY

Industry-reported general payments

$55.82General payments · 2025
2Reported transactions
2Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

PurposeAmount
Food and beverage$55.82

Reporting companies

CompanyAmount
INQUIS MEDICAL, INC.$39.48
COLLEGIUM PHARMACEUTICAL, INC.$16.34
View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1235455262
Call Directions

Registry details

Primary taxonomy
Diagnostic Radiology · Interventional Radiology (CMS)
Taxonomy code
2085R0202X
Enumeration date
Apr 15, 2010
Record updated
Oct 30, 2025
More registry details
Provider type
Individual · Type 1
Reported credentials
DO

Reported taxonomies and licenses

Specialty details in registry

2085R0204X

License reported: 20A14311 CA

Specialty details in registry

2085R0202X

License reported: S7748 TX

Specialty details in registry

2085R0202X

License reported: OS020173 PA

Specialty details in registry

2085R0202X · Primary

License reported: 036151032 IL

Specialty details in registry

2085R0202X

License reported: OS16401 FL

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

4201 W Medical Center Dr
Mchenry, IL 60050-8409
Phone
(815) 334-5566
Fax
(815) 759-4008
Mailing address
1140 40TH ST

SACRAMENTO, CA 958193615
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

Report a directory issue