TIMOTHY BRIAN JOHNSON D.O.
NPI 1982085247
Obstetrics & Gynecology in Evergreen Park, IL

Active since June 12, 2015PECOS EnrolledAccepts Medicare Assignment
9730 S WESTERN AVE STE 100, EVERGREEN PARK, IL 60805(708) 425-1907(708) 422-4253 Get Directions Write a Review

NPPES record last updated: January 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 8, 2025, May 29, 2019 (2 updates tracked since 2019).

About Timothy Brian Johnson D.o. NPPES

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

TIMOTHY BRIAN JOHNSON D.O. (NPI 1982085247) is an individual obstetrics & gynecology provider in Evergreen Park, Illinois, licensed in Illinois (036-148417) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medical Center Inc, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1982085247
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameTIMOTHY BRIAN JOHNSONCredential: D.O.
Location Address9730 S WESTERN AVE STE 100Evergreen Park, IL 60805-2853
Mailing Address9730 S Western Ave Ste 100Evergreen Park, IL 60805-2853 · (708) 425-1907 · Fax (708) 422-4253
Fax(708) 422-4253
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateJune 12, 2015
Last NPPES UpdateJanuary 8, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2025
✔ NPI 1982085247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in IL · 036-148417✔ Licensed in MI · EMC0006076✔ Licensed in MI · 5101021965
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
9730 S WESTERN AVE STE 100, Evergreen Park, IL 60805

Secondary Practice Locations 3

Location 111885 E 12 Mile Rd Ste 202AWarren, MI 48093-3469 · Phone (586) 582-7090 · Fax (586) 582-7091
Location 210260 191st St Ste 100Mokena, IL 60448-8802 · Phone (708) 425-1907
Location 3601 John St Ste N1200Kalamazoo, MI 49007-5318 · Phone (269) 341-7979

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Timothy Brian Johnson D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012213697
PECOS Enrollment IDI20250521000232
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 Reassignments

4

Medicare enrollment records show Timothy Johnson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
601 JOHN STREET
Kalamazoo, MI 49007
  • Reassigned Medicare billing, Michigan enrollment
  • 1,133 clinicians in this Medicare group
General Practice
1518 MULBERRY AVENUE
Muscatine, IA 52761
  • Reassigned Medicare billing, Iowa enrollment
  • 1,506 clinicians in this Medicare group
Specialist
107 GLEN OAK BLVD STE 101
Hendersonville, TN 37075
  • Reassigned Medicare billing, Tennessee enrollment
  • 9 clinicians in this Medicare group
General Acute Care Hospital
133 FAIRFIELD ST
Saint Albans, VT 05478
  • Reassigned Medicare billing, Vermont enrollment
  • 184 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medical Center Inc

Acute Care Hospitals · Saint Albans, VT
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number470024
Location133 Fairfield StreetSaint Albans, VT 05478 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60805 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Timothy Johnson's NPI number?

The NPI number for Timothy Johnson is 1982085247. It was assigned to this individual provider in the NPPES registry on June 12, 2015.

Where is Timothy Johnson located?

Timothy Johnson practices at 9730 S Western Ave Ste 100, Evergreen Park, IL 60805. The listed phone number is (708) 425-1907.

What is Timothy Johnson's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Timothy Johnson enrolled in Medicare?

Yes. Timothy Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Timothy Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Johnson reassigns Medicare benefits to 4 organizations: Bronson Methodist Hospital (Kalamazoo, MI), Iowa Physicians Clinic Medical Foundation (Muscatine, IA), Gallatin Womens Center, P.C. (Hendersonville, TN) and Northwestern Medical Center Inc (Saint Albans, VT). Each 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 Timothy Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Johnson accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and CareSource and 5 other insurers list Timothy Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Timothy Johnson affiliated with any hospitals?

According to CMS data, Timothy Johnson is affiliated with Northwestern Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Timothy Johnson was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.