1. Home
  2. Directory
  3. Illinois
  4. Des Plaines
  5. Family Medicine
  6. NPI Profile

WESLIN THOMAS D.O.
NPI 1821521238
Family Medicine in Des Plaines, IL

Active since April 04, 2017PECOS Enrolled
77 RAND RD, DES PLAINES, IL 60016(847) 825-0300 Get Directions Write a Review

NPPES record last updated: August 25, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 25, 2020, Aug 17, 2020 (2 updates tracked since 2020).

About Weslin Thomas D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WESLIN THOMAS D.O. (NPI 1821521238) is an individual family medicine provider in Des Plaines, Illinois, licensed in Illinois (036.152648) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Blacksburg.

NPPES Registry Identity

NPI1821521238
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWESLIN THOMASCredential: D.O.
Location Address77 RAND RDDes Plaines, IL 60016-1005
Mailing Address2827 N Clybourn Ave Apt 202Chicago, IL 60618-8469 · (801) 695-6135
Phone(847) 825-0300
Sole ProprietorNo
Enumeration DateApril 4, 2017
Last NPPES UpdateAugust 25, 20202 updates tracked since enumeration
NPPES CertifiedAugust 25, 2020
✔ NPI 1821521238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036.152648
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
77 RAND RD, Des Plaines, IL 60016
Open in Google Maps ↗

Secondary Practice Location 1

Location 13700 S Main StBlacksburg, VA 24060-7017 · Phone (540) 953-3528

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Weslin Thomas D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Weslin Thomas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lutheran General Hospital
4.1 mi
Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1801809306 (847) 723-2210

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BELA D DESAI MD
Internal Medicine
77 RAND RD
DES PLAINES, IL 60016
Cook County (847) 803-1344
GARY K ARTINIAN MD
Internal Medicine
77 RAND RD
DES PLAINES, IL 60016
Cook County (847) 298-0310
DR. JEANNE MARIE LOVETT M.D.
Pediatrics
77 RAND RD
DES PLAINES, IL 60016
Cook County (847) 298-0310
DR. MAGDALENE BREJ MD
Family Medicine
77 RAND RD
DES PLAINES, IL 60016
Cook County (847) 298-0310
MICHAEL GILL MD PHD
Internal Medicine
77 RAND RD
DES PLAINES, IL 60016
Cook County (847) 298-0310
MARCELO PETTI
Family Medicine
77 RAND RD
DES PLAINES, IL 60016
Cook County (847) 318-6020
EMILY ANN ENRIQUEZ DO
Pediatrics
77 RAND RD
DES PLAINES, IL 60016
Cook County (847) 294-5490
DR. LAUREN OBERBROECKLING
Family Medicine
77 RAND RD
DES PLAINES, IL 60016
Cook County (847) 298-0310

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Weslin Thomas's NPI number?

The NPI number for Weslin Thomas is 1821521238. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Where is Weslin Thomas located?

Weslin Thomas practices at 77 Rand Rd, Des Plaines, IL 60016. The listed phone number is (847) 825-0300.

What is Weslin Thomas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Weslin Thomas enrolled in Medicare?

Yes. Weslin Thomas is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Weslin Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Weslin Thomas reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Weslin Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Weslin Thomas was last updated on August 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.