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DR. STEPHEN C. RIGGS M.D.
NPI 1871520080
Internal Medicine in Waterloo, IA

Active since June 26, 2006PECOS EnrolledAccepts Medicare Assignment
236 NATIONAL DR, WATERLOO, IA 50701(319) 272-0000(319) 272-0016 Get Directions Write a Review

NPPES record last updated: July 16, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen C. Riggs M.d. NPPES

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

DR. STEPHEN C. RIGGS M.D. (NPI 1871520080) is an individual internal medicine provider in Waterloo, Iowa, licensed in Iowa (28568) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Sartori Memorial Hospital, Inc, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1987).

NPPES Registry Identity

NPI1871520080
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. STEPHEN C. RIGGSCredential: M.D.
Location Address236 NATIONAL DRWaterloo, IA 50701-4263
Mailing Address2101 Kimball Ave, Ll14Waterloo, IA 50702-5063 · (319) 272-1590 · Fax (319) 272-1535
Phone(319) 272-0000
Fax(319) 272-0016
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1987
Enumeration DateJune 26, 2006
Last NPPES UpdateJuly 16, 2007
✔ NPI 1871520080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IA · 28568
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.
Also ListedPediatricsTaxonomy 208000000X · License 28568 (IA)
236 NATIONAL DR, Waterloo, IA 50701
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Other Identifiers 3

Medicare PIN44092IA
Medicaid1126169IA
Medicare UPING07372IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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. Stephen C. Riggs 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 ID7416087358
PECOS Enrollment IDI20100618000874
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 10

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.
414 services226 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
129 services129 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
118 services87 patients
Anticoagulant management of patient taking warfarin 93793
Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.
78 services22 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.
66 services64 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.
60 services60 patients

Hospital Affiliations CMS Care Compare 3

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

Sartori Memorial Hospital, Inc

Acute Care Hospitals · Cedar Falls, IA
OwnershipVoluntary non-profit - Church
CMS Certification Number160040
Location515 College StreetCedar Falls, IA 50613 · Black Hawk County
Emergency services

Mercyone Waterloo Medical Center

Acute Care Hospitals · Waterloo, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160067
Location3421 West Ninth StreetWaterloo, IA 50702 · Black Hawk County
Emergency services Birthing friendly

Allen Hospital

Acute Care Hospitals · Waterloo, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160110
Location1825 Logan AvenueWaterloo, IA 50703 · Black Hawk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50701 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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers41 claims83 services$5.73 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers11 claims11 services$0.93 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
4 suppliers16 claims16 services$17.01 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
3 suppliers17 claims17 services$15.01 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers13 claims52 services$2.26 avg. paid by Medicare
Filter, non disposable, used with positive airway pressure device A7039
DME-Other DME · category DE001N
3 suppliers12 claims12 services$6.12 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

KAYLIE HACKENMILLER
Nurse Practitioner
236 NATIONAL DR
WATERLOO, IA 50701
Black Hawk County (319) 232-0135
DR. JODI L. VANSICKLE M.D.
Pediatrics
236 NATIONAL DR
WATERLOO, IA 50701
Black Hawk County (319) 272-0000

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 Stephen Riggs's NPI number?

The NPI number for Stephen Riggs is 1871520080. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Where is Stephen Riggs located?

Stephen Riggs practices at 236 National Dr, Waterloo, IA 50701. The listed phone number is (319) 272-0000.

What is Stephen Riggs's specialty?

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

Is Stephen Riggs enrolled in Medicare?

Yes. Stephen Riggs 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 Stephen Riggs accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 2 other insurers list Stephen Riggs 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 Stephen Riggs affiliated with any hospitals?

According to CMS data, Stephen Riggs is affiliated with Sartori Memorial Hospital, Inc, Mercyone Waterloo Medical Center and Allen Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Riggs was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.