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DR. RALPH G. RYAN M.D.
NPI 1548254972
Internal Medicine - Cardiovascular Disease in Oak Park, IL

Active since August 31, 2005PECOS EnrolledAccepts Medicare Assignment
14 LAKE ST, OAK PARK, IL 60302(708) 383-0113(708) 383-9911 Get Directions Write a Review

NPPES record last updated: January 2, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 2, 2020, Aug 22, 2019 (2 updates tracked since 2019).

About Dr. Ralph G. Ryan M.d. NPPES

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

DR. RALPH G. RYAN M.D. (NPI 1548254972) is an individual cardiovascular disease provider in Oak Park, Illinois, licensed in Illinois (036054943) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Sarasota, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1976).

NPPES Registry Identity

NPI1548254972
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. RALPH G. RYANCredential: M.D.
Location Address14 LAKE STOak Park, IL 60302-2606
Mailing Address2700 Baker St Fl 3Muskegon, MI 49444-2157 · (231) 737-1335 · Fax (231) 737-0534
Phone(708) 383-0113
Fax(708) 383-9911
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1976
Enumeration DateAugust 31, 2005
Last NPPES UpdateJanuary 2, 20202 updates tracked since enumeration
✔ NPI 1548254972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses✔ Licensed in IL · 036054943✔ Licensed in MI · 4301043406
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 4301043406 (MI)
14 LAKE ST, Oak Park, IL 60302
Open in Google Maps ↗

Secondary Practice Location 1

Location 11900 Brother Geenen WaySarasota, FL 34236-7102 · Phone (941) 556-3220 · Fax (941) 955-8214

Other Identifiers 1

Medicaid1632944MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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. Ralph G. Ryan 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 ID9739168832
PECOS Enrollment IDI20180525000062
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

2

Medicare enrollment records show Ralph Ryan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pcc Community Wellness Center
Same address
Federally Qualified Health Center (FQHC)
14 LAKE ST
Oak Park, IL 60302
  • Reassigned Medicare billing, Illinois enrollment
  • 221 clinicians in this Medicare group
NPI 1871516799 (708) 383-0113
Inner-City Muslim Action Network
8.6 mi
Federally Qualified Health Center (FQHC)
2744 W 63RD ST
Chicago, IL 60629
  • Reassigned Medicare billing, Illinois enrollment
  • 21 clinicians in this Medicare group
NPI 1003244567 (773) 434-4626

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 60302 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.

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.

ABEL ABEBAW ALEMAYEHU MD
Family Medicine
14 LAKE ST
OAK PARK, IL 60302
Cook County (708) 383-0113
GWENDOLYN HAYWOOD LCSW
Social Worker (Clinical)
14 LAKE ST
OAK PARK, IL 60302
Cook County (708) 524-7684
ANGEL MARKIN LCPC CADC
Counselor (Professional)
14 LAKE ST
OAK PARK, IL 60302
Cook County (708) 383-0113
SCOTT AGEE DO
Family Medicine
14 LAKE ST
OAK PARK, IL 60302
Cook County (708) 383-0113
DR. MARCIE RICHMOND MD, MHS
Family Medicine
14 LAKE ST
OAK PARK, IL 60302
Cook County (708) 406-3940
JOSE ZAVALA LCSW
Social Worker (Clinical)
14 LAKE ST
OAK PARK, IL 60302
Cook County (773) 584-4178
SUSAN C. ABBOTT LCSW
Social Worker (Clinical)
14 LAKE ST
OAK PARK, IL 60302
Cook County (708) 383-0113
MORGAN NICOLE MADISON M.D.
Family Medicine
14 LAKE ST
OAK PARK, IL 60302
Cook County (708) 383-0113

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 Ralph Ryan's NPI number?

The NPI number for Ralph Ryan is 1548254972. It was assigned to this individual provider in the NPPES registry on August 31, 2005.

Where is Ralph Ryan located?

Ralph Ryan practices at 14 Lake St, Oak Park, IL 60302. The listed phone number is (708) 383-0113.

What is Ralph Ryan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Ralph Ryan enrolled in Medicare?

Yes. Ralph Ryan 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 Ralph Ryan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Ryan reassigns Medicare benefits to 2 organizations: Pcc Community Wellness Center (Oak Park, IL) and Inner-City Muslim Action Network (Chicago, IL). 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 Ralph Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ralph Ryan accept?

Health plans from Oscar Health list Ralph Ryan 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.

When was this NPI record last updated?

The NPPES record for Ralph Ryan was last updated on January 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.