DR. ANA MILENA RODRIGUEZ FAHRNI M.D.
NPI 1639335995
Internal Medicine in Chicago, IL

Active since August 05, 2008PECOS EnrolledAccepts Medicare Assignment
251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ana Milena Rodriguez Fahrni M.d. NPPES

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

DR. ANA MILENA RODRIGUEZ FAHRNI M.D. (NPI 1639335995) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125051915) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and is a graduate of Wright State University Boonshoft School Of Medicine (2006).

NPPES Registry Identity

NPI1639335995
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ANA MILENA RODRIGUEZ FAHRNICredential: M.D.
Location Address251 E HURON STChicago, IL 60611-2908
Mailing Address420 E Ohio St, Apt 26eChicago, IL 60611-3390
Sole ProprietorYes
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2006
Enumeration DateAugust 5, 2008
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1639335995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 125051915
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
251 E HURON ST, Chicago, IL 60611

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. Ana Milena Rodriguez Fahrni 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.

PECOS PAC ID7214179399
PECOS Enrollment IDI20130820000807
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 Ana Rodriguez Fahrni reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 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 60611 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
$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.

Pathology (Anatomic Pathology & Clinical Pathology)
251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611
Psychiatry & Neurology (Psychiatry)
251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST
CHICAGO, IL 60611
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Emergency Medicine
251 E HURON ST
CHICAGO, IL 60611
Dermatology
251 E HURON ST
CHICAGO, IL 60611
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Obstetrics & Gynecology
251 E HURON ST
CHICAGO, IL 60611

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 Ana Rodriguez Fahrni's NPI number?

The NPI number for Ana Rodriguez Fahrni is 1639335995. It was assigned to this individual provider in the NPPES registry on August 5, 2008.

Where is Ana Rodriguez Fahrni located?

Ana Rodriguez Fahrni practices at 251 E Huron St, Chicago, IL 60611. The listed phone number is (312) 926-2000.

What is Ana Rodriguez Fahrni's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ana Rodriguez Fahrni enrolled in Medicare?

Yes. Ana Rodriguez Fahrni 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 organization bills Medicare for Ana Rodriguez Fahrni's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ana Rodriguez Fahrni reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Ana Rodriguez Fahrni'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 Ana Rodriguez Fahrni was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.