Doctor profile · Federal record

Dr. Mark Hermanoff, MD

Allergy & Immunology (Internal Medicine) Physician (CMS: Allergy/Immunology) · Summit, WI

  • NPI 1447309786
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
36500 Aurora Dr
Summit, WI 530664899
(262) 434-5000
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
April 30, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RA0201X — NUCC code
State license (1)
Wisconsin #40807
Medicaid
WI #32516900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447309786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,839
Distinct HCPCS
10
Medicare allowed
$281,263
HCPCS Description Services Patients Avg allowed
J2357 Injection, omalizumab, 5 mg 6,030 11 $37
95004 Test for allergy using allergenic extract 718 18 $4
96372 Injection of drug or substance under skin or into muscle 314 18 $13
95117 Professional service for multiple injections of allergen 154 24 $11
99213 Established patient office or other outpatient visit, 20-29 minutes 136 121 $85
95148 Professional service for preparation and provision of 4 stinging insect venom 117 14 $82
94010 Test to measure expiratory airflow and volume 76 73 $25
95018 Test for allergy using combination of methods with drug or biological 76 11 $19
99203 New patient office or other outpatient visit, 30-44 minutes 65 65 $103
99214 Established patient office or other outpatient visit, 30-39 minutes 62 53 $121

In context: peer comparison

Among 2 peers in this city , average services per provider: 420. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,718
Patients
605
Total drug cost
$614,688
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 335 82 $5,013
Azelastine Hcl Generic 196 94 $8,166
Fluticasone Propionate Generic 178 67 $3,043
Symbicort (Budesonide/Formoterol Fumarate) Brand 172 48 $107,354
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 154 85 $5,047
Epinephrine Generic 99 87 $23,879
Flovent Hfa (Fluticasone Propionate) Brand 88 28 $35,357
Spiriva Respimat (Tiotropium Bromide) Brand 80 15 $55,358
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 70 23 $24,313
Prednisone Generic 69 42 $308

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Hermanoff's medical specialty?
Dr. Mark Hermanoff practices Allergy & Immunology (Internal Medicine) Physician in Summit, WI.
Where does Dr. Mark Hermanoff practice?
Dr. Mark Hermanoff practices at 36500 Aurora Dr, Summit, WI 530664899. Office phone: 2624345000.
What is Dr. Mark Hermanoff's NPI?
Dr. Mark Hermanoff's National Provider Identifier (NPI) is 1447309786, issued by NPPES.
Does Dr. Mark Hermanoff accept Medicare assignment?
Yes. Dr. Mark Hermanoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Hermanoff commonly perform?
Top Medicare-reported procedures in 2023: Injection, omalizumab, 5 mg (HCPCS J2357); Test for allergy using allergenic extract (HCPCS 95004); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.