MS. GRETCHEN F TWEED PA-C
NPI 1386919256
Physician Assistant in Oakbrook Terrace, IL
About Ms. Gretchen F Tweed Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. GRETCHEN F TWEED PA-C (NPI 1386919256) is an individual physician assistant in Oakbrook Terrace, Illinois, licensed in Colorado (2939) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Gretchen F Tweed Pa-c 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60181 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKBROOK TERRACE, IL 60181
OAKBROOK TERRACE, IL 60181
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 Gretchen Tweed's NPI number?
The NPI number for Gretchen Tweed is 1386919256. It was assigned to this individual provider in the NPPES registry on March 12, 2012.
Where is Gretchen Tweed located?
Gretchen Tweed practices at 1 Lincoln Ctr Ste 1030, Oakbrook Terrace, IL 60181. The listed phone number is (312) 319-1031.
What is Gretchen Tweed's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Gretchen Tweed enrolled in Medicare?
Yes. Gretchen Tweed 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.
When was this NPI record last updated?
The NPPES record for Gretchen Tweed was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Ms. Gretchen F Tweed, PA-C · NPI 1386919256
Physician Assistant physician in Oakbrook Terrace, Illinois. Individual provider, active in the CMS NPPES registry since March 12, 2012.
## Identity
- **NPI:** 1386919256 (Entity type: Individual)
- **Enumerated:** March 12, 2012
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 2939 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 LINCOLN CTR STE 1030, Oakbrook Terrace, IL 60181-4258
- **Phone:** (312) 319-1031
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** January 22, 2026
- **Other identifiers:** Medicaid 15109577 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1386919256) · Data from the CMS NPPES public registry.