RONALD WILLIAM GRAEFF (MD) – Allergy & Immunology Physician, NPI 1730172339

RONALD WILLIAM GRAEFF (MD) is a healthcare provider. based in Oskaloosa, Iowa. specializing in Allergy & Immunology Physician. They hold the professional credentials MD. They hold a License No. 30479 (IA). The NPI Number for RONALD WILLIAM GRAEFF (MD) is 1730172339

Main info

Male
Sole Proprietor
35 Years Of Experience
Accepts Medicare Assignment
Name
RONALD WILLIAM GRAEFF (MD)
NPI
1730172339
Phone
(641) 672-3360
Address
410 N 12TH ST STE 100
Enumeration Date
30 August 2005
Last Update Date
24 December 2012

Doctor Profile

Medical School Name
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Secondary Phone
6416642145
Graduation Year
1991 (35 years ago)
PAC ID
4688652563
Group Practice PAC ID
3971493040
Professional Enrollment ID
I20040708000358
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for RONALD WILLIAM GRAEFF (MD)

  • North 12th Street, Oskaloosa, Mahaska County, Iowa, 52577, United States

    MAHASKA HEALTH PARTNERSHIP

    OSKALOOSA, IA 525772495

    Phone: (641) 672-3360

    Fax: (641) 672-3366

    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)

CMS reports 2 Open Payments records for all available years, with a total value of $29.

Total Amount is formed as General ($29) + Research ($0) + Ownership ($0) = $29.

Last reported payment date: 2024-03-25 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($16).

Total Amount

$29

General + Research + Ownership

Payments

2

Total payment records

General Amount

$29

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-03-25

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2004-07-08

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
I20040708000358IAllergy/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 52577)

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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: 3971493040View full group profile
NameSpecialtyState
-IA
Nurse PractitionerIA
Family PracticeIA
Family PracticeIA
General SurgeryMO
Internal MedicineIA
Nurse PractitionerMO
Nurse PractitionerIA
Family PracticeVA
Orthopedic SurgeryIA

Reviews

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Frequently asked questions

Can I cross-check RONALD WILLIAM GRAEFF (MD) using NPI 1730172339?
NPI 1730172339 belongs to RONALD WILLIAM GRAEFF (MD); compare other details if you need extra assurance.
Is there an active status for RONALD WILLIAM GRAEFF (MD)?
For scheduling context, RONALD WILLIAM GRAEFF (MD) is shown as active in the registry.
How would a patient describe RONALD WILLIAM GRAEFF (MD)'s focus?
For RONALD WILLIAM GRAEFF (MD), the primary taxonomy reads as Allergy & Immunology Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for RONALD WILLIAM GRAEFF (MD)?
Travel planning: use Oskaloosa, Iowa as the reference point for RONALD WILLIAM GRAEFF (MD), then confirm.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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