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CEDAR VALLEY MEDICAL SPECIALISTS PC
NPI 1841245586
Clinic/Center - Radiology in Waterloo, IA

Active since May 23, 2006
4006 JOHNATHAN ST, WATERLOO, IA 50701(319) 236-2700(319) 236-2714 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Cedar Valley Medical Specialists Pc NPPES

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

CEDAR VALLEY MEDICAL SPECIALISTS PC (NPI 1841245586), doing business as Advanced Diagnostic Imaging, is a healthcare organization registered as a radiology in Waterloo, Iowa and active in the NPI registry since May 2006. The organization lists Vinay Kantamneni, Ceo, as its authorized official.

NPPES Registry Identity

NPI1841245586
Entity TypeOrganization
Primary Taxonomy261QR0200X
Legal Business NameCEDAR VALLEY MEDICAL SPECIALISTS PC
Location Address4006 JOHNATHAN STWaterloo, IA 50701-9387
Mailing AddressPo Box 2758Waterloo, IA 50704-2758 · (319) 235-5390 · Fax (319) 235-5607
Phone(319) 236-2700
Fax(319) 236-2714
Organization SubpartYesParent: Cedar Valley Medical Specialists, Pc
Authorized OfficialVinay KantamneniCeo · (319) 235-5390
Enumeration DateMay 23, 2006
Last NPPES UpdateFebruary 5, 2026
NPPES CertifiedFebruary 5, 2026
✔ NPI 1841245586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · RadiologyAmbulatory Health Care Facilities
Taxonomy Code261QR0200X
4006 JOHNATHAN ST, Waterloo, IA 50701
Open in Google Maps ↗

Other Names 1

Doing Business AsAdvanced Diagnostic Imaging

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cedar Valley Medical Specialists Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

49

Medicare enrollment records show 49 clinicians reassign Medicare billing to Cedar Valley Medical Specialists PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 43 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 16

Nurse Practitioner21
Optometry5
Family Practice4
Ophthalmology3
Clinical Social Worker2
Diagnostic Radiology2
Gastroenterology2
Physical Therapist in Private Practice2
8 other specialties8

Nearest to this location (20)

See all 49
Kirby Clark, M.D.
Diagnostic Radiology
NPI 1407893795
4006 JOHNATHAN ST
Waterloo, IA 50701
(319) 236-2700
✔ PECOS✔ Accepts MedicareSame address
James Poock, MD
Family Practice
NPI 1740260074
4006 JOHNATHAN ST STE B
Waterloo, IA 50701
(319) 233-1540
✔ PECOS✔ Accepts MedicareSame address
Gregory Harter, MD
Family Practice
NPI 1134157415
125 E TOWER PARK DR
Waterloo, IA 50701
(319) 232-0555
✔ PECOS✔ Accepts Medicare0.2 mi
Michaela Johnson, ARNP
Nurse Practitioner
NPI 1407312549
125 E TOWER PARK DR
Waterloo, IA 50701
(319) 232-0555
✔ PECOS✔ Accepts Medicare0.2 mi
Stefanie Swinton, DPT
Physical Therapist in Private Practice
NPI 1538424874
125 E TOWER PARK DR
Waterloo, IA 50701
(319) 232-6339
✔ Accepts Medicare0.2 mi
Ashar Afzal, MD
Pain Management
NPI 1689628117
3254 KIMBALL AVE
Waterloo, IA 50702
(319) 235-7246
✔ PECOS0.6 mi
Violet Hunter, MD
Family Practice
NPI 1811348956
3151 BROCKWAY RD STE 122
Waterloo, IA 50701
(319) 251-5154
✔ PECOS✔ Accepts Medicare0.7 mi
Amanda Gidley, LISW
Clinical Social Worker
NPI 1760905905
999 HOME PLZ STE 301
Waterloo, IA 50701
(319) 299-2864
✔ PECOS0.7 mi
Kama Ausborn, ARNP
Nurse Practitioner
NPI 1669056123
110 PLAZA CIR STE A
Waterloo, IA 50701
(319) 236-7720
✔ PECOS✔ Accepts Medicare0.8 mi
Katie Bries, ARNP
Nurse Practitioner
NPI 1427490226
110 PLAZA CIR STE A
Waterloo, IA 50701
(319) 236-7720
✔ PECOS✔ Accepts Medicare0.8 mi
Maryjane Cose, ARNP
Nurse Practitioner
NPI 1235677691
110 PLAZA CIR STE A
Waterloo, IA 50701
(319) 236-7720
✔ PECOS✔ Accepts Medicare0.8 mi
Suzanne Davison, ARNP
Nurse Practitioner
NPI 1972262178
110 PLAZA CIR STE A
Waterloo, IA 50701
(319) 236-7720
✔ PECOS✔ Accepts Medicare0.8 mi
Maria Metcalf, ARNP
Nurse Practitioner
NPI 1972822393
110 PLAZA CIR STE A
Waterloo, IA 50701
(319) 236-7720
✔ PECOS✔ Accepts Medicare0.8 mi
Heather Steinbronn, ARNP
Nurse Practitioner
NPI 1326707738
110 PLAZA CIR STE A
Waterloo, IA 50701
(319) 236-7720
✔ PECOS✔ Accepts Medicare0.8 mi
Matthew Kettman, MD
Family Practice
NPI 1245218882
110 PLAZA CIR STE A
Waterloo, IA 50701
(319) 236-7720
✔ PECOS✔ Accepts Medicare0.8 mi
Lindy Tommasin, ARNP
Nurse Practitioner
NPI 1245592393
110 PLAZA CIR STE A
Waterloo, IA 50701
(319) 236-7720
✔ PECOS✔ Accepts Medicare0.8 mi
Lucas Cook
Optometry
NPI 1639582901
909 E SAN MARNAN DR
Waterloo, IA 50702
(319) 233-2020
✔ PECOS✔ Accepts Medicare1.2 mi
Daniel Miller, MD
Ophthalmology
NPI 1427098466
909 E SAN MARNAN DRIVE
Waterloo, IA 50702
(319) 234-2616
✔ PECOS✔ Accepts Medicare1.2 mi
Tarek Daoud, MD
Internal Medicine
NPI 1780638171
1753 W RIDGEWAY AVE STE 105
Waterloo, IA 50701
(319) 833-5940
✔ PECOS✔ Accepts Medicare1.5 mi
Vinay Kantamneni, MD
Nephrology
NPI 1508811258
1753 W RIDGEWAY AVE STE 105
Waterloo, IA 50701
(319) 833-5940
✔ PECOS✔ Accepts Medicare1.5 mi
See all 49 clinicians

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 2

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.

Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
2,780 services17 patients
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
960 services13 patients

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 Cedar Valley Medical Specialists PC's NPI number?

The NPI number for Cedar Valley Medical Specialists PC is 1841245586. It was assigned to this organization in the NPPES registry on May 23, 2006. The provider is doing business as Advanced Diagnostic Imaging.

Where is Cedar Valley Medical Specialists PC located?

Cedar Valley Medical Specialists PC is located at 4006 Johnathan St, Waterloo, IA 50701. The listed phone number is (319) 236-2700.

What is Cedar Valley Medical Specialists PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, with taxonomy code 261QR0200X.

Is Cedar Valley Medical Specialists PC enrolled in Medicare?

Yes. Cedar Valley Medical Specialists PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cedar Valley Medical Specialists PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 49 clinicians in 16 Medicare specialties reassign their Medicare billing to Cedar Valley Medical Specialists PC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (21), Optometry (5) and Family Practice (4). Of these, 2 practice at this address and 43 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Cedar Valley Medical Specialists PC accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Cedar Valley Medical Specialists PC 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 Cedar Valley Medical Specialists PC was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.