ALAN D JOHNSON M.D.
NPI 1083605034
Obstetrics & Gynecology in Hoffman Estates, IL
About Alan D Johnson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALAN D JOHNSON M.D. (NPI 1083605034) is an individual obstetrics & gynecology provider in Hoffman Estates, Illinois, licensed in Illinois (036-053301) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1975).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Alan D Johnson M.d. 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.
Medicare Billing Reassignments
6Medicare enrollment records show Alan Johnson reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Chicago, IL 60625
- Reassigned Medicare billing, Illinois enrollment
- 350 clinicians in this Medicare group
Chicago, IL 60625
- Reassigned Medicare billing, Illinois enrollment
- 2 clinicians in this Medicare group
Berwyn, IL 60402
- Reassigned Medicare billing, Illinois enrollment
- 219 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Illinois enrollment
- 671 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60169 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Alan Johnson's NPI number?
The NPI number for Alan Johnson is 1083605034. It was assigned to this individual provider in the NPPES registry on October 31, 2005.
Where is Alan Johnson located?
Alan Johnson practices at 2500 W Higgins Rd Suite 1150, Hoffman Estates, IL 60169. The listed phone number is (847) 884-2002.
What is Alan Johnson's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Alan Johnson enrolled in Medicare?
Yes. Alan 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 Alan Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Johnson reassigns Medicare benefits to 6 organizations: Endeavor Health Medical Group (Evanston, IL), Swedish Covenant Management Services, Inc (Chicago, IL), Neighborhood Family Healthcare Sc (Chicago, IL), Obhg Illinois Sc (Berwyn, IL), Rockford Health Physicians (Rockford, IL) and 1 more organization, listed in the Medicare section above. 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 Alan Johnson'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 Alan Johnson was last updated on August 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.