CARL FLOYD MAASS
NPI 1922864693
Nurse Practitioner - Family in Oakland, IA

Active since February 21, 2024PECOS EnrolledAccepts Medicare Assignment
408 KELSAY AVE, OAKLAND, IA 51560(712) 899-8498(601) 533-6259 Get Directions Write a Review

NPPES record last updated: June 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Carl Floyd Maass NPPES

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

CARL FLOYD MAASS (NPI 1922864693) is an individual family provider in Oakland, Iowa, licensed in Iowa (A177008) and active in the NPI registry since February 2024. He is enrolled in Medicare PECOS, is affiliated with Myrtue Medical Center, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1922864693
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameCARL FLOYD MAASS
Location Address408 KELSAY AVEOakland, IA 51560-4128
Mailing Address408 Kelsay AveOakland, IA 51560-4128 · (712) 899-8498
Fax(601) 533-6259
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateFebruary 21, 2024
Last NPPES UpdateJune 6, 2025
NPPES CertifiedJune 6, 2025
NPI 1922864693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in IA · A177008
408 KELSAY AVE, Oakland, IA 51560

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

Carl Floyd Maass 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 ID648615468
PECOS Enrollment IDI20240301002889
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 3

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.

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
22 services11 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
21 services20 patients
Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 99344
A new patient home visit is a comprehensive service where a healthcare professional visits your home for about an hour. This visit includes an overall health assessment, discussion about your medical history, and planning for future healthcare needs. The goal is to understand your health status and provide personalized care.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Myrtue Medical Center

Critical Access Hospitals · Harlan, IA
5/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number161374
Location1213 Garfield AvenueHarlan, IA 51537 · Shelby County
Emergency services Birthing friendly

Cass County Memorial Hospital

Critical Access Hospitals · Atlantic, IA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number161376
Location1501 East Tenth StreetAtlantic, IA 50022 · Cass County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 51560 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.

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 Carl Maass's NPI number?

The NPI number for Carl Maass is 1922864693. It was assigned to this individual provider in the NPPES registry on February 21, 2024.

Where is Carl Maass located?

Carl Maass practices at 408 Kelsay Ave, Oakland, IA 51560. The listed phone number is (712) 899-8498.

What is Carl Maass's specialty?

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

Is Carl Maass enrolled in Medicare?

Yes. Carl Maass 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 Carl Maass accept?

Health plans from Medica and Oscar Insurance Company list Carl Maass 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 Carl Maass affiliated with any hospitals?

According to CMS data, Carl Maass is affiliated with Myrtue Medical Center and Cass County Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Carl Maass was last updated on June 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.