Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIA LYNN METCALF ARNP
NPI 1972822393
Nurse Practitioner - Family in Waterloo, IA

Active since May 25, 2010PECOS EnrolledAccepts Medicare Assignment
110 PLAZA CIR STE A, WATERLOO, IA 50701(319) 236-7720(319) 236-7739 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 9, 2026, Jan 14, 2022 (2 updates tracked since 2022).

About Maria Lynn Metcalf Arnp NPPES

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

MARIA LYNN METCALF ARNP (NPI 1972822393) is an individual family provider in Waterloo, Iowa, licensed in Iowa (A087827) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, is affiliated with Mercyone Waterloo Medical Center, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1972822393
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARIA LYNN METCALFCredential: ARNP
Location Address110 PLAZA CIR STE AWaterloo, IA 50701-5139
Mailing AddressPo Box 2758Waterloo, IA 50704-2758 · (319) 235-5390
Fax(319) 236-7739
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMay 25, 2010
Last NPPES UpdateJuly 9, 20262 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
NPI 1972822393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in IA · A087827
Also ListedNurse PractitionerTaxonomy 363L00000X · License A087827 (IA)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License H-087827 (IA)
110 PLAZA CIR STE A, Waterloo, IA 50701

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

Maria Lynn Metcalf Arnp 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 ID7416081393
PECOS Enrollment IDI20100813000521
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 4

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.
319 services122 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.
92 services63 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.
21 services21 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
12 services11 patients

Hospital Affiliations CMS Care Compare 3

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

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

Waverly Health Center

Critical Access Hospitals · Waverly, IA
OwnershipGovernment - Local
CMS Certification Number161339
Location312 9th Street SWWaverly, IA 50677 · Bremer 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
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.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
5 suppliers18 claims18 services$40.84 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers15 claims15 services$64.40 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
5 suppliers18 claims18 services$20.98 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
5 suppliers21 claims108 services$2.60 avg. paid by Medicare
Filter, non disposable, used with positive airway pressure device A7039
DME-Other DME · category DE001N
2 suppliers11 claims11 services$7.49 avg. paid by Medicare
Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471
DME-Other DME · category DE001N
2 suppliers11 claims11 services$276.25 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 6

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

Nurse Practitioner (Family)
110 PLAZA CIR STE A
WATERLOO, IA 50701
Family Medicine
110 PLAZA CIR STE A
WATERLOO, IA 50701
Nurse Practitioner (Family)
110 PLAZA CIR STE A
WATERLOO, IA 50701
Nurse Practitioner (Family)
110 PLAZA CIR STE A
WATERLOO, IA 50701
Nurse Practitioner
110 PLAZA CIR STE A
WATERLOO, IA 50701
Nurse Practitioner (Family)
110 PLAZA CIR STE A
WATERLOO, IA 50701

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 Maria Metcalf's NPI number?

The NPI number for Maria Metcalf is 1972822393. It was assigned to this individual provider in the NPPES registry on May 25, 2010.

Where is Maria Metcalf located?

Maria Metcalf practices at 110 Plaza Cir Ste A, Waterloo, IA 50701. The listed phone number is (319) 236-7720.

What is Maria Metcalf's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Maria Metcalf enrolled in Medicare?

Yes. Maria Metcalf 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 Maria Metcalf accept?

Health plans from Medica list Maria Metcalf 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 Maria Metcalf affiliated with any hospitals?

According to CMS data, Maria Metcalf is affiliated with Mercyone Waterloo Medical Center, Allen Hospital and Waverly Health Center.

When was this NPI record last updated?

The NPPES record for Maria Metcalf was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.