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BRYON MASON DO
NPI 1124479472
Hospitalist in Des Moines, IA

Active since June 28, 2016PECOS EnrolledAccepts Medicare Assignment
1200 PLEASANT ST STE 400, DES MOINES, IA 50309(515) 241-4019 Get Directions Write a Review

NPPES record last updated: December 19, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Bryon Mason Do NPPES

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

BRYON MASON DO (NPI 1124479472) is an individual hospitalist provider in Des Moines, Iowa, licensed in Iowa (DO-05158) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Mary Greeley Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1124479472
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameBRYON MASONCredential: DO
Location Address1200 PLEASANT ST STE 400Des Moines, IA 50309-1406
Mailing Address1200 Pleasant St Ste 400Des Moines, IA 50309-1406 · (515) 241-4019
Phone(515) 241-4019
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateJune 28, 2016
Last NPPES UpdateDecember 19, 2023
NPPES CertifiedDecember 19, 2023
✔ NPI 1124479472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IA · DO-05158
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License DO-05158 (IA)
1200 PLEASANT ST STE 400, Des Moines, IA 50309
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.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

Bryon Mason Do 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 ID8527351709
PECOS Enrollment IDI20180822002752
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 8

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.

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.
271 services265 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.
72 services55 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.
45 services45 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.
37 services37 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.
34 services30 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 services20 patients

Hospital Affiliations CMS Care Compare 5

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

Mary Greeley Medical Center

Acute Care Hospitals · Ames, IA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number160030
Location1111 Duff AvenueAmes, IA 50010 · Story 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

Mercyone Des Moines Medical Center

Acute Care Hospitals · Des Moines, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160083
Location1111 6th AveDes Moines, IA 50314 · Polk County
Emergency services Birthing friendly

Grinnell Regional Medical Center

Acute Care Hospitals · Grinnell, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160147
Location210 Fourth AvenueGrinnell, IA 50112 · Poweshiek County
Emergency services Birthing friendly

Dallas County Hospital

Critical Access Hospitals · Perry, IA
OwnershipGovernment - Local
CMS Certification Number161322
Location610 Tenth StreetPerry, IA 50220 · Dallas County
Emergency services

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
$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 2

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$83.81 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$31.94 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.

DR. JESSICA A DEDECKER DO
Internal Medicine
1200 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-6212
KIRSTEN JANE JOHNSON MSN, ARNP, AGACNP-BC
Nurse Practitioner
1200 PLEASANT ST STE 400
DES MOINES, IA 50309
Polk County (515) 241-8700

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 Bryon Mason's NPI number?

The NPI number for Bryon Mason is 1124479472. It was assigned to this individual provider in the NPPES registry on June 28, 2016.

Where is Bryon Mason located?

Bryon Mason practices at 1200 Pleasant St Ste 400, Des Moines, IA 50309. The listed phone number is (515) 241-4019.

What is Bryon Mason's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Bryon Mason enrolled in Medicare?

Yes. Bryon Mason 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 Bryon Mason accept?

Health plans from Medica list Bryon Mason 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 Bryon Mason affiliated with any hospitals?

According to CMS data, Bryon Mason is affiliated with Mary Greeley Medical Center, Unitypoint Health - Des Moines Iowa Methodist Medi, Mercyone Des Moines Medical Center, Grinnell Regional Medical Center and Dallas County Hospital.

When was this NPI record last updated?

The NPPES record for Bryon Mason was last updated on December 19, 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.