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DR. RONALD A WEISS MD
NPI 1871548990
Internal Medicine - Cardiovascular Disease in Mount Vernon, IL

Active since May 24, 2006PECOS EnrolledAccepts Medicare Assignment
2 GOOD SAMARITAN WAY STE 220, MOUNT VERNON, IL 62864(618) 899-3900 Get Directions Write a Review

NPPES record last updated: September 27, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 27, 2022, Feb 4, 2021 (2 updates tracked since 2021).

About Dr. Ronald A Weiss Md NPPES

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

DR. RONALD A WEISS MD (NPI 1871548990) is an individual cardiovascular disease provider in Mount Vernon, Illinois, licensed in Missouri (R7G95) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Medical Center - Nampa, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1871548990
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. RONALD A WEISSCredential: MD
Location Address2 GOOD SAMARITAN WAY STE 220Mount Vernon, IL 62864-2476
Mailing AddressPo Box 955860Saint Louis, MO 63195-6971 · (636) 498-5944
Phone(618) 899-3900
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 1984
Enumeration DateMay 24, 2006
Last NPPES UpdateSeptember 27, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2022
✔ NPI 1871548990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses✔ Licensed in MO · R7G95✔ Licensed in ID · MC-1634
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.
2 GOOD SAMARITAN WAY STE 220, Mount Vernon, IL 62864
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11031 Bellevue Ave, Suite 206Saint Louis, MO 63117-1818 · Phone (314) 781-7800 · Fax (314) 781-5900
Location 24424 E Flamingo Ave Ste 300Nampa, ID 83687-9306 · Phone (208) 302-0200 · Fax (208) 302-0255

Other Identifiers 3

Other060025804MO · Railroad Medicare
Medicaid206985202MO
Other036075861IL · Il License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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. Ronald A Weiss 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.

PECOS PAC ID9830176007
PECOS Enrollment IDI20221010002924
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

5

Medicare enrollment records show Ronald Weiss reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Physician Services Corporation Of Southern Illinois Inc.
3.3 mi
Internal Medicine
4218 LINCOLNSHIRE DR
Mount Vernon, IL 62864
  • Reassigned Medicare billing, Illinois enrollment
  • 296 clinicians in this Medicare group
NPI 1831101807 (618) 899-3600
St. Mary's Hospital, Centralia, Illinois
20 mi
Anesthesiology
400 N PLEASANT AVE
Centralia, IL 62801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: St Marys Hospital Centralia Illinois
  • 392 clinicians in this Medicare group
NPI 1477097871 (618) 436-6056
Washington County Hospital District
27 mi
Critical Access
705 S GRAND ST
Nashville, IL 62263
  • Reassigned Medicare billing, Illinois enrollment
  • 33 clinicians in this Medicare group
NPI 1659321560 (618) 327-2201
Saint Alphonsus Regional Medical Center Inc
1,471 mi
Psychologist
1055 N CURTIS RD
Boise, ID 83706
  • Reassigned Medicare billing, Idaho enrollment
  • 781 clinicians in this Medicare group
NPI 1649357716 (208) 367-4148
Maui Health System A Kaiser Foundation Hospitals LLC
4,150 mi
Nursing Facility/Intermediate Care Facility
100 KEOKEA PL
Kula, HI 96790
  • Reassigned Medicare billing, Hawaii enrollment
  • 138 clinicians in this Medicare group
NPI 1184079956 (808) 878-1221

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 11

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
182 services181 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
63 services41 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
44 services43 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
34 services19 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
25 services24 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
24 services22 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Alphonsus Medical Center - Nampa

Acute Care Hospitals · Nampa, ID
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number130013
Location4300 E Flamingo AveNampa, ID 83687 · Canyon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62864 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHANNON D PARKS APN
Nurse Practitioner (Family)
2 GOOD SAMARITAN WAY STE 220
MOUNT VERNON, IL 62864
Jefferson County (618) 899-3900

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 Ronald Weiss's NPI number?

The NPI number for Ronald Weiss is 1871548990. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is Ronald Weiss located?

Ronald Weiss practices at 2 Good Samaritan Way Ste 220, Mount Vernon, IL 62864. The listed phone number is (618) 899-3900.

What is Ronald Weiss's specialty?

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

Is Ronald Weiss enrolled in Medicare?

Yes. Ronald Weiss 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 Ronald Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Weiss reassigns Medicare benefits to 5 organizations: Physician Services Corporation Of Southern Illinois Inc. (Mount Vernon, IL), St. Mary's Hospital, Centralia, Illinois (Centralia, IL), Washington County Hospital District (Nashville, IL), Saint Alphonsus Regional Medical Center Inc (Boise, ID) and Maui Health System A Kaiser Foundation Hospitals LLC (Kula, HI). 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 Ronald Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald Weiss accept?

Health plans from Providence Health Plan list Ronald Weiss 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 Ronald Weiss affiliated with any hospitals?

According to CMS data, Ronald Weiss is affiliated with Saint Alphonsus Medical Center - Nampa.

When was this NPI record last updated?

The NPPES record for Ronald Weiss was last updated on September 27, 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.