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WILLIAM J YOST MD
NPI 1841277910
Internal Medicine in Des Moines, IA

Active since December 29, 2005PECOS EnrolledAccepts Medicare Assignment
1221 PLEASANT ST, SUITE 200, DES MOINES, IA 50309(515) 241-8223(515) 241-4313 Get Directions Write a Review

NPPES record last updated: November 25, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William J Yost Md NPPES

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

WILLIAM J YOST MD (NPI 1841277910) is an individual internal medicine provider in Des Moines, Iowa, licensed in Iowa (29440) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1988).

NPPES Registry Identity

NPI1841277910
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM J YOSTCredential: MD
Location Address1221 PLEASANT ST, SUITE 200Des Moines, IA 50309-1423
Mailing Address1221 Pleasant St, Suite 200Des Moines, IA 50309-1423 · (515) 241-8223 · Fax (515) 241-4313
Phone(515) 241-8223
Fax(515) 241-4313
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1988
Enumeration DateDecember 29, 2005
Last NPPES UpdateNovember 25, 2020
NPPES CertifiedNovember 25, 2020
✔ NPI 1841277910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IA · 29440
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1221 PLEASANT ST, Des Moines, IA 50309
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Other Identifiers 3

Medicaid0122317IA
Other110113059IA · Rr Medicare
Medicaid1841277910IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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

William J Yost Md 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 ID840209383
PECOS Enrollment IDI20060412000115
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

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 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.
15 services11 patients

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.

Other Providers at the Same Location NPPES 20

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

LEYLA ALEXANDRA BEST BANDENAY M.D.
Internal Medicine (Infectious Disease)
1221 PLEASANT ST, STE 300
DES MOINES, IA 50309
Polk County (515) 241-4200
RICHARD S ROBUS MD
Pediatrics
1221 PLEASANT ST, SUITE 170
DES MOINES, IA 50309
Polk County (515) 241-4300
DR. LISA A VEACH MD
Internal Medicine (Infectious Disease)
1221 PLEASANT ST, SUITE 300
DES MOINES, IA 50309
Polk County (515) 241-4200
JANA L KRAY MSPT
Physical Therapist
1221 PLEASANT ST, SUITE 200
DES MOINES, IA 50309
Polk County (515) 241-4019
MATTHEW L HILL DO
Internal Medicine (Medical Oncology)
1221 PLEASANT ST, STE 100
DES MOINES, IA 50309
Polk County (515) 282-2921
DR. PETER THOMAS READ D.O.
Internal Medicine
1221 PLEASANT ST, SUITE 200
DES MOINES, IA 50309
Polk County (515) 241-4019
ANDREW J STEFANI DO
Internal Medicine
1221 PLEASANT ST, STE 200
DES MOINES, IA 50309
Polk County (515) 241-4019
DR. JON STACY HADE M.D.
Radiology (Diagnostic Radiology)
1221 PLEASANT ST, STE 150
DES MOINES, IA 50309
Polk County (515) 244-5109

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 William Yost's NPI number?

The NPI number for William Yost is 1841277910. It was assigned to this individual provider in the NPPES registry on December 29, 2005.

Where is William Yost located?

William Yost practices at 1221 Pleasant St Suite 200, Des Moines, IA 50309. The listed phone number is (515) 241-8223.

What is William Yost's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Yost enrolled in Medicare?

Yes. William Yost 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 William Yost accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 1 other insurer list William Yost 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 William Yost was last updated on November 25, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.