Doctor profile · Federal record

Dr. Margaret Frittitta, RN, APNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Nurse Practitioner · Milwaukee, WI

  • NPI 1225143399
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
820 N Plankinton Ave
Milwaukee, WI 532031802
(414) 223-6892

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 29, 2018
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (3)
Wisconsin #1497 · Wisconsin #105002-030 · Wisconsin #1497-033

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225143399. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
59
Distinct HCPCS
1
Medicare allowed
$5,875
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 59 23 $100

In context: peer comparison

Among 19 peers in Milwaukee Psychiatric/Mental Health Nurse Practitioner, average services per provider: 59. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,676
Patients
150
Total drug cost
$31,491
Drug Type Claims Patients Total cost
Bupropion Xl (Bupropion Hcl) Brand 219 20 $4,696
Trazodone Hcl Generic 185 22 $1,725
Mirtazapine Generic 173 16 $4,156
Sertraline Hcl Generic 158 17 $1,898
Clonazepam Generic 129 13 $2,001
Aripiprazole Generic 127 15 $7,134
Olanzapine Generic 105 0 $2,302
Buspirone Hcl Generic 97 14 $1,545
Quetiapine Fumarate Generic 90 11 $1,356
Duloxetine Hcl Generic 82 11 $1,302

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Frittitta's medical specialty?
Dr. Margaret Frittitta practices Psychiatric/Mental Health Nurse Practitioner in Milwaukee, WI.
Where does Dr. Margaret Frittitta practice?
Dr. Margaret Frittitta practices at 820 N Plankinton Ave, Milwaukee, WI 532031802. Office phone: 4142236892.
What is Dr. Margaret Frittitta's NPI?
Dr. Margaret Frittitta's National Provider Identifier (NPI) is 1225143399, issued by NPPES.
Does Dr. Margaret Frittitta accept Medicare assignment?
Yes. Dr. Margaret Frittitta accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Frittitta commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.