DIANA KAY BAYER-BOWSTEAD (D.O.) – Pediatric Allergy/Immunology Physician, NPI 1730318205

DIANA KAY BAYER-BOWSTEAD (D.O.) is a healthcare provider. based in Iowa city, Iowa. specializing in ALLERGY/IMMUNOLOGY, PEDIATRIC MEDICINE. They hold the professional credentials D.O.. They hold a License No. DO-04569 (IA). The NPI Number for DIANA KAY BAYER-BOWSTEAD (D.O.) is 1730318205

Main info

Female
17 Years Of Experience
Accepts Medicare Assignment
Name
DIANA KAY BAYER-BOWSTEAD (D.O.)
NPI
1730318205
Phone
(319) 356-1828
Address
200 HAWKINS DR
Enumeration Date
6 July 2009
Last Update Date
28 February 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3193561616
Graduation Year
2009 (17 years ago)
PAC ID
5193941995
Group Practice PAC ID
7618884230
Professional Enrollment ID
I20140731001950
Address ID
IA522421009IO200XXDRXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience56
Completeness75
Years active:16State licenses:1Digital endpointsOther names

47 ALLERGY/IMMUNOLOGY in IA

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Provider Addresses for DIANA KAY BAYER-BOWSTEAD (D.O.)

  • University of Iowa Hospitals & Clinics, 200, Hawkins Drive, Iowa City, Johnson County, Iowa, 52245, United States

    DEPT OF PEDIATRICS

    IOWA CITY, IA 522421009

    Phone: (319) 356-1828

    Fax: (319) 356-7776

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-07-31

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20140731001950IAllergy/ImmunologyIATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 52242)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7618884230View full group profile

Reviews

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Frequently asked questions

What number should I use to identify DIANA KAY BAYER-BOWSTEAD (D.O.) for billing?
Administrative and clinical systems typically use NPI 1730318205 for DIANA KAY BAYER-BOWSTEAD (D.O.).
Is DIANA KAY BAYER-BOWSTEAD (D.O.) currently accepting referrals based on NPI status?
Registry metadata lists DIANA KAY BAYER-BOWSTEAD (D.O.) as active.
What does the directory say DIANA KAY BAYER-BOWSTEAD (D.O.) does?
Insurance directories may phrase it differently, but here DIANA KAY BAYER-BOWSTEAD (D.O.) maps to Pediatric Allergy/Immunology Physician. Clinical services aligned with this taxonomy classification.
Can patients visit DIANA KAY BAYER-BOWSTEAD (D.O.) in Iowa City, Iowa?
For routing, start with Iowa City, Iowa for DIANA KAY BAYER-BOWSTEAD (D.O.), then verify phone and hours locally.
Who maintains DIANA KAY BAYER-BOWSTEAD (D.O.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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