DR. NICOLAS W SHAMMAS M.D.
NPI 1922087857
Internal Medicine - Interventional Cardiology in Davenport, IA

Active since January 10, 2006PECOS EnrolledAccepts Medicare Assignment
1236 E RUSHOLME ST, SUITE 300, DAVENPORT, IA 52803(563) 324-2992(563) 888-0499 Get Directions Write a Review

NPPES record last updated: February 10, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Nicolas W Shammas M.d. NPPES

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

DR. NICOLAS W SHAMMAS M.D. (NPI 1922087857) is an individual interventional cardiology provider in Davenport, Iowa, licensed in Iowa (27303) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Genesis Hlth System Dba Genesis Mdl Ctr-illini, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1922087857
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameDR. NICOLAS W SHAMMASCredential: M.D.
Location Address1236 E RUSHOLME ST, SUITE 300Davenport, IA 52803-2473
Mailing Address1236 E Rusholme St, Suite 300Davenport, IA 52803-2473 · (563) 324-2992 · Fax (563) 888-0499
Fax(563) 888-0499
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateJanuary 10, 2006
Last NPPES UpdateFebruary 10, 2021
NPPES CertifiedFebruary 10, 2021
NPI 1922087857 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License Licensed in IA · 27303
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
1236 E RUSHOLME ST, Davenport, IA 52803

Other Identifiers 2

Medicaid2060558IA
Other060032125Medicare Railroad

Accepted Insurance

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

Dr. Nicolas W Shammas 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 ID9931001492
PECOS Enrollment IDI20060104000363, I20061206000049
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.

Areas of Expertise CMS Part B claims 51

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
461 services367 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
408 services351 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
320 services288 patients
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.
279 services276 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
279 services274 patients
Injection, regadenoson, 0.1 mg J2785
Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.
248 services62 patients

Hospital Affiliations CMS Care Compare 5

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

Genesis Hlth System Dba Genesis Mdl Ctr-Illini

Acute Care Hospitals · Silvis, IL
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140275
Location801 Illini DrSilvis, IL 61282 · Rock Island County
Emergency services Birthing friendly

Trinity Muscatine

Acute Care Hospitals · Muscatine, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number160013
Location1518 Mulberry AvenueMuscatine, IA 52761 · Muscatine County
Emergency services

Genesis Medical Center-Davenport

Acute Care Hospitals · Davenport, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160033
Location1227 East Rusholme StreetDavenport, IA 52803 · Scott County
Emergency services Birthing friendly

Trinity - Bettendorf

Acute Care Hospitals · Bettendorf, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160104
Location4500 Utica Ridge RoadBettendorf, IA 52722 · Scott County
Emergency services Birthing friendly

Genesis Medical Center-Dewitt

Critical Access Hospitals · Dewitt, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161313
Location1118 11th StreetDewitt, IA 52742 · Clinton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52803 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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.

Nurse Practitioner (Acute Care)
1236 E RUSHOLME ST, SUITE 300
DAVENPORT, IA 52803
Internal Medicine (Cardiovascular Disease)
1236 E RUSHOLME ST, SUITE 300
DAVENPORT, IA 52803
Internal Medicine (Cardiovascular Disease)
1236 E RUSHOLME ST, SUITE 300
DAVENPORT, IA 52803
Nurse Practitioner (Family)
1236 E RUSHOLME ST, SUITE 300
DAVENPORT, IA 52803
Internal Medicine (Cardiovascular Disease)
1236 E RUSHOLME ST, SUITE 300
DAVENPORT, IA 52803
Internal Medicine (Cardiovascular Disease)
1236 E RUSHOLME ST, SUITE 300
DAVENPORT, IA 52803
Nurse Practitioner (Acute Care)
1236 E RUSHOLME ST, SUITE 300
DAVENPORT, IA 52803
Internal Medicine (Cardiovascular Disease)
1236 E RUSHOLME ST, SUITE 300
DAVENPORT, IA 52803

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 Nicolas Shammas's NPI number?

The NPI number for Nicolas Shammas is 1922087857. It was assigned to this individual provider in the NPPES registry on January 10, 2006.

Where is Nicolas Shammas located?

Nicolas Shammas practices at 1236 E Rusholme St Suite 300, Davenport, IA 52803. The listed phone number is (563) 324-2992.

What is Nicolas Shammas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Nicolas Shammas enrolled in Medicare?

Yes. Nicolas Shammas 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.

What insurance does Nicolas Shammas accept?

Health plans from Medica and Oscar Insurance Company list Nicolas Shammas 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 Nicolas Shammas affiliated with any hospitals?

According to CMS data, Nicolas Shammas is affiliated with Genesis Hlth System Dba Genesis Mdl Ctr-Illini, Trinity Muscatine, Genesis Medical Center-Davenport, Trinity - Bettendorf and Genesis Medical Center-Dewitt.

When was this NPI record last updated?

The NPPES record for Nicolas Shammas was last updated on February 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.