DR. WILLIAM R DROBYSKI MD
NPI 1861443848
Internal Medicine - Hematology & Oncology in Milwaukee, WI

Active since May 13, 2006PECOS EnrolledAccepts Medicare Assignment
80.46/100
CMS Quality Rating
9200 W WISCONSIN AVE, BONE MARROW TRANSPLANT, MILWAUKEE, WI 53226(414) 805-6817(414) 456-6321 Get Directions Write a Review

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

Record update history: Aug 19, 2022, Oct 1, 2020 (2 updates tracked since 2020).

About Dr. William R Drobyski Md NPPES

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

DR. WILLIAM R DROBYSKI MD (NPI 1861443848) is an individual hematology & oncology provider in Milwaukee, Wisconsin, licensed in Wisconsin (29248) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (1983).

NPPES Registry Identity

NPI1861443848
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. WILLIAM R DROBYSKICredential: MD
Location Address9200 W WISCONSIN AVE, BONE MARROW TRANSPLANTMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin Ave, Bone Marrow TransplantMilwaukee, WI 53226-3522 · (414) 805-6817 · Fax (414) 456-6321
Fax(414) 456-6321
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 1983
Enumeration DateMay 13, 2006
Last NPPES UpdateAugust 19, 20222 updates tracked since enumeration
NPPES CertifiedAugust 19, 2022
NPI 1861443848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in WI · 29248
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
9200 W WISCONSIN AVE, Milwaukee, WI 53226

Other Identifiers 2

Other002000114ZHumana
Medicaid1861443848WI

Accepted 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

Dr. William R Drobyski 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 ID5890828594
PECOS Enrollment IDI20100802000702
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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
35 services12 patients

Hospital Affiliations CMS Care Compare

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

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
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.

80.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality66.24
Promoting Interoperability100
Improvement Activities40
Cost68.64

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.

Advanced Practice Midwife
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Internal Medicine (Gastroenterology)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Emergency Medicine
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Pediatrics)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Anesthetist, Certified Registered
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Physician Assistant (Medical)
9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

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 Drobyski's NPI number?

The NPI number for William Drobyski is 1861443848. It was assigned to this individual provider in the NPPES registry on May 13, 2006.

Where is William Drobyski located?

William Drobyski practices at 9200 W Wisconsin Ave Bone Marrow Transplant, Milwaukee, WI 53226. The listed phone number is (414) 805-6817.

What is William Drobyski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is William Drobyski enrolled in Medicare?

Yes. William Drobyski 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 Drobyski accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Network Health list William Drobyski 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 William Drobyski affiliated with any hospitals?

According to CMS data, William Drobyski is affiliated with Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for William Drobyski was last updated on August 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.