Doctor profile · Federal record

Dr. Ann Herzmann

Nurse Practitioner · Lake Zurich, IL

  • NPI 1871832311
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
910 N Rand RD
Lake Zurich, IL 600473201
(800) 323-8622
Mailing address
29373 Network Pl
Chicago, IL 606733112

Credentials & registration

NPPES · NUCC
NPI registered
February 2013 — 13 yrs on file
Profile last updated
July 29, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209010054

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871832311. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
829
Distinct HCPCS
10
Medicare allowed
$63,945
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 326 299 $80
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 100 60 $67
0241U Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected 80 76 $138
87651 Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 58 55 $34
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 57 57 $49
99214 Established patient office or other outpatient visit, 30-39 minutes 52 50 $111
81002 Urinalysis, manual test 50 49 $3
99203 New patient office or other outpatient visit, 30-44 minutes 48 48 $100
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 34 30 $113
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 24 19 $39

In context: peer comparison

Among 1 peers in this city , average services per provider: 82. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
541
Patients
401
Total drug cost
$6,938
Drug Type Claims Patients Total cost
Azithromycin Generic 105 104 $651
Cephalexin Generic 66 63 $412
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 43 42 $434
Lagevrio (Eua) (Molnupiravir) Brand 35 35 $378
Methylprednisolone Generic 35 35 $417
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 34 22 $1,473
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 33 0 $608
Amlodipine Besylate Generic 31 12 $359
Atorvastatin Calcium Generic 27 14 $560
Mupirocin Generic 26 26 $220

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Herzmann's medical specialty?
Dr. Ann Herzmann practices Nurse Practitioner in Lake Zurich, IL.
Where does Dr. Ann Herzmann practice?
Dr. Ann Herzmann practices at 910 N Rand RD, Lake Zurich, IL 600473201. Office phone: 8003238622.
What is Dr. Ann Herzmann's NPI?
Dr. Ann Herzmann's National Provider Identifier (NPI) is 1871832311, issued by NPPES.
Does Dr. Ann Herzmann accept Medicare assignment?
Yes. Dr. Ann Herzmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Herzmann commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Residence visit for established patient with low level of medical decision making (HCPCS 99348); Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected (HCPCS 0241U). Source: CMS Medicare Physician & Other Practitioners file.