DR. MARY CAROLYN FAHRMEIER MD
NPI 1245252303
Psychiatry & Neurology - Psychiatry in Berwyn, IL
About Dr. Mary Carolyn Fahrmeier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY CAROLYN FAHRMEIER MD (NPI 1245252303) is an individual psychiatry provider in Berwyn, Illinois, licensed in Illinois (036159744) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Cgh Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 4
Other Identifiers 1
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
Dr. Mary Carolyn Fahrmeier Md 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
34Medicare enrollment records show Mary Fahrmeier reassigns Medicare billing to 34 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 clinicians in this Medicare group
Frankfort, IL 60423
- Reassigned Medicare billing, Illinois enrollment
- 148 clinicians in this Medicare group
Mishawaka, IN 46544
- Reassigned Medicare billing, Indiana enrollment
- 1,396 clinicians in this Medicare group
Sterling, IL 61081
- Reassigned Medicare billing, Illinois enrollment
- 356 clinicians in this Medicare group
Monroe, WI 53566
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Beaver Dam, WI 53916
- Reassigned Medicare billing, Wisconsin enrollment
- 606 clinicians in this Medicare group
Baraboo, WI 53913
- Reassigned Medicare billing, Wisconsin enrollment
- 57 clinicians in this Medicare group
Quincy, IL 62301
- Reassigned Medicare billing, Illinois enrollment
- 363 clinicians in this Medicare group
Centralia, IL 62801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: St Marys Hospital Centralia Illinois
- 392 clinicians in this Medicare group
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 284 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cgh Medical Center
Acute Care Hospitals · Sterling, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60402 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.
BERWYN, IL 60402
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 Mary Fahrmeier's NPI number?
The NPI number for Mary Fahrmeier is 1245252303. It was assigned to this individual provider in the NPPES registry on July 24, 2006. The provider is also known as Dr. Mary Carolyn Barton .D..
Where is Mary Fahrmeier located?
Mary Fahrmeier practices at 3249 Oak Park Ave, Berwyn, IL 60402. The listed phone number is (708) 783-2226.
What is Mary Fahrmeier's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mary Fahrmeier enrolled in Medicare?
Yes. Mary Fahrmeier 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 Mary Fahrmeier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Fahrmeier reassigns Medicare benefits to 34 organizations: Loyola University Medical Center (Maywood, IL), Specialty Physicians Of Illinois, LLC (Frankfort, IL), Franciscan Physician Network (Mishawaka, IN), Cgh Medical Center (Sterling, IL), The Monroe Clinic, Inc. (Monroe, WI) and 29 more organizations, 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 Mary Fahrmeier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Fahrmeier accept?
Health plans from CareSource, Cigna HealthCare of Florida, Inc., Cigna Healthcare, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 6 other insurers list Mary Fahrmeier 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 Mary Fahrmeier affiliated with any hospitals?
According to CMS data, Mary Fahrmeier is affiliated with Cgh Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Fahrmeier was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Mary Carolyn Fahrmeier, MD · NPI 1245252303
Psychiatry physician in Berwyn, Illinois. Individual provider, active in the CMS NPPES registry since July 24, 2006.
## Identity
- **NPI:** 1245252303 (Entity type: Individual)
- **Enumerated:** July 24, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 036159744 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3249 OAK PARK AVE, Berwyn, IL 60402-3429
- **Phone:** (708) 783-2226
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 34 organizations under Medicare reassignment (form CMS-855R): Loyola University Medical Center (NPI 1336159961, Maywood, IL); Specialty Physicians Of Illinois, LLC (NPI 1962024612, Frankfort, IL); Franciscan Physician Network (NPI 1366879009, Mishawaka, IN); Cgh Medical Center (NPI 1548540636, Sterling, IL); The Monroe Clinic, Inc. (NPI 1386720548, Monroe, WI); and 29 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** June 23, 2026
- **Other identifiers:** Medicaid 1245252303 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1245252303) · Data from the CMS NPPES public registry.