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RONALD WILLIAM GRAEFF MD
NPI 1730172339
Allergy & Immunology in Oskaloosa, IA

Active since August 30, 2005PECOS Enrolled
97.58/100
CMS Quality Rating
410 N 12TH ST STE 100, MAHASKA HEALTH PARTNERSHIP, OSKALOOSA, IA 52577(641) 672-3360(641) 672-3366 Get Directions Write a Review

NPPES record last updated: December 24, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ronald William Graeff Md NPPES

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

RONALD WILLIAM GRAEFF MD (NPI 1730172339) is an individual allergy & immunology provider in Oskaloosa, Iowa, licensed in Iowa (30479) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730172339
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameRONALD WILLIAM GRAEFFCredential: MD
Location Address410 N 12TH ST STE 100, MAHASKA HEALTH PARTNERSHIPOskaloosa, IA 52577-2495
Mailing Address410 N 12th St Ste 100, Mahaska Health PartnershipOskaloosa, IA 52577-2495 · (641) 672-3360 · Fax (641) 672-3366
Phone(641) 672-3360
Fax(641) 672-3366
Sole ProprietorYes
Enumeration DateAugust 30, 2005
Last NPPES UpdateDecember 24, 2012
✔ NPI 1730172339 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in IA · 30479
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedPediatrics · Pediatric PulmonologyTaxonomy 2080P0214X · License 30479 (IA)
410 N 12TH ST STE 100, Oskaloosa, IA 52577
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Other Identifiers 8

Other030004043Railroad Medicare
Medicare UPING11290
Other42068106049John Deere Health
Other59902IA · Wellmark Bcbs
OtherH002Triwest
Medicaid0155838IA
Other55920Iowa Health Solutions
Medicare ID-Type Unspecified59902IA

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ronald William Graeff Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Ronald Graeff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Davis County Hospital
40 mi
Specialist
509 N MADISON ST
Bloomfield, IA 52537
  • Reassigned Medicare billing, Iowa enrollment
  • 70 clinicians in this Medicare group
NPI 1487740486 (641) 664-2145

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 6

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

Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
2 suppliers11 claims11 services$21.19 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
2 suppliers13 claims70 services$3.21 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier17 claims17 services$872.49 avg. paid by Medicare
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
2 suppliers24 claims24 services$106.60 avg. paid by Medicare
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
7 suppliers37 claims2,370 services$0.09 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
9 suppliers36 claims36 services$23.83 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Ronald Graeff's NPI number?

The NPI number for Ronald Graeff is 1730172339. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Ronald Graeff located?

Ronald Graeff practices at 410 N 12th St Ste 100 Mahaska Health Partnership, Oskaloosa, IA 52577. The listed phone number is (641) 672-3360.

What is Ronald Graeff's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Ronald Graeff enrolled in Medicare?

Yes. Ronald Graeff is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ronald Graeff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Graeff reassigns Medicare benefits to Davis County Hospital (Bloomfield, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ronald Graeff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald Graeff accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan list Ronald Graeff 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 Ronald Graeff was last updated on December 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.