Doctor profile · Federal record

Dr. Zachary Pflum, M.D.

Otolaryngology Physician (CMS: Otolaryngology) · Greenfield, WI

  • NPI 1225416662
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4600 W Loomis RD
Greenfield, WI 532204858
(414) 218-4466
Additional location
1221 Dotty Dr
Little Chute, WI 541402366
(920) 213-5981
Mailing address
3301 W Forest Home Ave
Milwaukee, WI 532152843

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
November 30, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
Wisconsin #73408-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225416662. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
406
Distinct HCPCS
10
Medicare allowed
$62,211
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 113 73 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 56 49 $84
99203 New patient office or other outpatient visit, 30-44 minutes 50 50 $102
31575 Diagnostic exam of voice box using a flexible endoscope 47 42 $118
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $156
69210 Removal of impacted ear wax 27 17 $41
99215 Established patient office or other outpatient visit, 40-54 minutes 27 21 $169
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 16 16 $72
10005 Fine needle aspiration biopsy using ultrasound guidance, first growth 14 12 $123
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less 13 13 $467

In context: peer comparison

Among 4 peers in Greenfield Otolaryngology Physician, average services per provider: 47. This provider delivers 8.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
73
Patients
17
Total drug cost
$1,637
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 39 17 $543
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 20 0 $384
Ipratropium Bromide Generic 14 0 $709

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zachary Pflum's medical specialty?
Dr. Zachary Pflum practices Otolaryngology Physician in Greenfield, WI.
Where does Dr. Zachary Pflum practice?
Dr. Zachary Pflum practices at 4600 W Loomis RD, Greenfield, WI 532204858. Office phone: 4142184466.
What is Dr. Zachary Pflum's NPI?
Dr. Zachary Pflum's National Provider Identifier (NPI) is 1225416662, issued by NPPES.
Does Dr. Zachary Pflum accept Medicare assignment?
Yes. Dr. Zachary Pflum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Pflum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.