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AMY MAE-ZOSS MASSEY
NPI 1679132591
Nurse Practitioner - Critical Care Medicine in Des Moines, IA

Active since June 13, 2019PECOS EnrolledAccepts Medicare Assignment
1215 PLEASANT ST STE 400, DES MOINES, IA 50309(515) 241-4019(515) 241-4051 Get Directions Write a Review

NPPES record last updated: November 24, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 24, 2023, Nov 9, 2023, Jun 13, 2019 (3 updates tracked since 2019).

About Amy Mae-zoss Massey NPPES

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

AMY MAE-ZOSS MASSEY (NPI 1679132591) is an individual critical care medicine provider in Des Moines, Iowa, licensed in Iowa (H155101) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Marshalltown, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1679132591
Entity TypeIndividualFemale
Primary Taxonomy363LC0200X
Provider Legal NameAMY MAE-ZOSS MASSEY
Location Address1215 PLEASANT ST STE 400Des Moines, IA 50309-1418
Mailing Address1215 Pleasant St Ste 400Des Moines, IA 50309-1418 · (515) 241-4019 · Fax (515) 241-4051
Phone(515) 241-4019
Fax(515) 241-4051
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJune 13, 2019
Last NPPES UpdateNovember 24, 20233 updates tracked since enumeration
NPPES CertifiedNovember 24, 2023
✔ NPI 1679132591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License✔ Licensed in IA · H155101
Also ListedRegistered NurseTaxonomy 163W00000X · License 136771 (IA)
Also ListedNurse PractitionerTaxonomy 363L00000X · License H155101 (IA)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License H155101 (IA)
1215 PLEASANT ST STE 400, Des Moines, IA 50309
Open in Google Maps ↗

Other Names 1

Former Name (1)Amy Mae Zoss

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, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Amy Mae-zoss Massey 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 ID7113256496
PECOS Enrollment IDI20190911003086
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

3

Medicare enrollment records show Amy Massey reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Iowa Hospital Corporation
Same address
Hepatology
1215 PLEASANT ST, SUITE 506
Des Moines, IA 50309
  • Reassigned Medicare billing, Iowa enrollment
  • 545 clinicians in this Medicare group
NPI 1598942872 (515) 241-4044
Iowa Physicians Clinic Medical Foundation
6.6 mi
General Practice
8101 BIRCHWOOD CT, SUITE N
Johnston, IA 50131
  • Reassigned Medicare billing, Iowa enrollment
  • 1,506 clinicians in this Medicare group
NPI 1619309325 (515) 471-9300
Trinity Regional Medical Center
61 mi
End-Stage Renal Disease (ESRD) Treatment
1610 COLLINS ST, SUITE D
Webster City, IA 50595
  • Reassigned Medicare billing, Iowa enrollment
  • 387 clinicians in this Medicare group
NPI 1568650174 (515) 832-1667

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 6

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
116 services73 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 services51 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
29 services25 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
23 services23 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.
15 services15 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.
13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Unitypoint Health - Marshalltown

Acute Care Hospitals · Marshalltown, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number160001
Location55 Unitypoint WayMarshalltown, IA 50158 · Marshall County
Emergency services

Trinity Regional Medical Center

Acute Care Hospitals · Fort Dodge, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160016
Location802 Kenyon RdFort Dodge, IA 50501 · Webster County
Emergency services Birthing friendly

Unitypoint Health - Des Moines Iowa Methodist Medi

Acute Care Hospitals · Des Moines, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160082
Location1200 Pleasant StreetDes Moines, IA 50309 · Polk County
Emergency services Birthing friendly

Ottumwa Regional Health Center

Acute Care Hospitals · Ottumwa, IA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number160089
Location1001 E PennsylvaniaOttumwa, IA 52501 · Wapello County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50309 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.

Other Providers at the Same Location NPPES 16

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

GABRYELE POCHRON DO
Hospitalist
1215 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-4019
AUSTIN J CODER DO
Hospitalist
1215 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-4644
MARCI ELIZABETH SMITH
Nurse Practitioner (Acute Care)
1215 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 664-4171
CECILIA ANNIKA MOLLOY DO
Hospitalist
1215 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-4019
JOSEPH THOMAS JOHNSON DO
Hospitalist
1215 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-4019
DR. SAMUEL LARRY LAMPE DO
Internal Medicine
1215 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-4644
PRASHANTH GARSHAKURTHI MD
Hospitalist
1215 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-4644
ANNE KATHLEEN HENSON M.D.
Hospitalist
1215 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-4644

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 Amy Massey's NPI number?

The NPI number for Amy Massey is 1679132591. It was assigned to this individual provider in the NPPES registry on June 13, 2019. The provider is also known as Amy Mae Zoss.

Where is Amy Massey located?

Amy Massey practices at 1215 Pleasant St Ste 400, Des Moines, IA 50309. The listed phone number is (515) 241-4019.

What is Amy Massey's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Amy Massey enrolled in Medicare?

Yes. Amy Massey 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 Amy Massey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amy Massey reassigns Medicare benefits to 3 organizations: Central Iowa Hospital Corporation (Des Moines, IA), Iowa Physicians Clinic Medical Foundation (Johnston, IA) and Trinity Regional Medical Center (Webster City, IA). 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 Amy Massey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amy Massey accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Amy Massey 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 Amy Massey affiliated with any hospitals?

According to CMS data, Amy Massey is affiliated with Unitypoint Health - Marshalltown, Trinity Regional Medical Center, Unitypoint Health - Des Moines Iowa Methodist Medi and Ottumwa Regional Health Center.

When was this NPI record last updated?

The NPPES record for Amy Massey was last updated on November 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.