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DONALD DAVID NIMMER M.D.
NPI 1477555951
Family Medicine in Greenfield, WI

Active since August 13, 2005PECOS EnrolledAccepts Medicare Assignment
82.39/100
CMS Quality Rating
4600 W LOOMIS RD, SUITE 130, GREENFIELD, WI 53220(414) 389-4900(414) 465-4606 Get Directions Write a Review

NPPES record last updated: September 19, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Donald David Nimmer M.d. NPPES

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

DONALD DAVID NIMMER M.D. (NPI 1477555951) is an individual family medicine provider in Greenfield, Wisconsin, licensed in Wisconsin (29494) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Ascension St Francis Hospital, and is a graduate of Medical College Of Wisconsin (1987).

NPPES Registry Identity

NPI1477555951
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDONALD DAVID NIMMERCredential: M.D.
Location Address4600 W LOOMIS RD, SUITE 130Greenfield, WI 53220-4858
Mailing Address4935 S 76th St Ste 101Greenfield, WI 53220-4305 · (414) 777-3100
Phone(414) 389-4900
Fax(414) 465-4606
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1987
Enumeration DateAugust 13, 2005
Last NPPES UpdateSeptember 19, 2022
NPPES CertifiedSeptember 19, 2022
✔ NPI 1477555951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WI · 29494
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4600 W LOOMIS RD, Greenfield, WI 53220
Open in Google Maps ↗

Other Identifiers 1

Medicaid31588100WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Network Health.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

Donald David Nimmer M.d. 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 ID8123195070
PECOS Enrollment IDI20080918000676
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 5

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
305 services143 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
131 services131 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.
117 services66 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
48 services45 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
45 services42 patients

Hospital Affiliations CMS Care Compare 3

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

Ascension St Francis Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520078
Location3237 S 16th StMilwaukee, WI 53215 · Milwaukee County
Emergency services

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520139
Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53220 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

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.

82.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.88
Promoting Interoperability81
Improvement Activities40
Cost74.38

Referred Medical Equipment & Supplies CMS DME claims

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers29 claims76 services$6.11 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 20

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

DR. ZACHARY E. PFLUM M.D.
Otolaryngology
4600 W LOOMIS RD
GREENFIELD, WI 53220
Milwaukee County (414) 218-4466
WENDY M PIETZ, DDS, SC
Dentist (Oral and Maxillofacial Surgery)
4600 W LOOMIS RD, SUITE 220
GREENFIELD, WI 53220
Milwaukee County (414) 281-1881
KATHLEEN J KRICKEBERG NP
Nurse Practitioner
4600 W LOOMIS RD
GREENFIELD, WI 53220
Milwaukee County (414) 281-4466
MICHAEL R NORDSTROM MD
Otolaryngology
4600 W LOOMIS RD, SUITE 201
GREENFIELD, WI 53220
Milwaukee County (414) 281-4466
DR. KONRAD WALTER KRAWCZYK M.D.
Family Medicine
4600 W LOOMIS RD, SUITE 130
GREENFIELD, WI 53220
Milwaukee County (414) 389-4900
ALEXANDRA PANKOWSKI
Behavior Technician
4600 W LOOMIS RD
GREENFIELD, WI 53220
Milwaukee County (833) 646-3222
REHABCLINICS GALAXY INC
Clinic/Center (Physical Therapy)
4600 W LOOMIS RD, SUITE 120
GREENFIELD, WI 53220
Milwaukee County (414) 281-7247
JAMES R BARTON MD
Otolaryngology
4600 W LOOMIS RD, SUITE 201
GREENFIELD, WI 53220
Milwaukee County (414) 281-4466

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 Donald Nimmer's NPI number?

The NPI number for Donald Nimmer is 1477555951. It was assigned to this individual provider in the NPPES registry on August 13, 2005.

Where is Donald Nimmer located?

Donald Nimmer practices at 4600 W Loomis Rd Suite 130, Greenfield, WI 53220. The listed phone number is (414) 389-4900.

What is Donald Nimmer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Donald Nimmer enrolled in Medicare?

Yes. Donald Nimmer 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 Donald Nimmer accept?

Health plans from Anthem Blue Cross and Blue Shield and Network Health list Donald Nimmer 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 Donald Nimmer affiliated with any hospitals?

According to CMS data, Donald Nimmer is affiliated with Ascension St Francis Hospital, Ascension SE Wisconsin Hospital and West Allis Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Donald Nimmer was last updated on September 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.