Doctor profile · Federal record

Dr. Karen Wirth

Family Nurse Practitioner · Waldorf, MD

  • NPI 1720553506
  • 8 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3581 Old Washington RD
Waldorf, MD 206023270
(301) 638-4400
fax (301) 638-2200

Credentials & registration

NPPES · NUCC
NPI registered
October 2018 — 8 yrs on file
Profile last updated
April 22, 2019
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Maryland #R194273

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720553506. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
680
Distinct HCPCS
8
Medicare allowed
$63,335
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 449 151 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 57 47 $122
93922 Ultrasound study of arm and leg arteries 36 35 $84
95921 Testing of autonomic nervous system function and heart rate response to deep breathing 35 34 $84
95923 Testing of autonomic (sympathetic) nervous system function 35 34 $123
96132 Evaluation of neuropsychological test, first hour 31 28 $121
97750 Test or measurement for functional capacity, each 15 minutes 19 16 $33
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $158

In context: peer comparison

Among 7 peers in this city , average services per provider: 108. This provider delivers 6.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,637
Patients
526
Total drug cost
$45,275
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 490 151 $14,402
Gabapentin Generic 204 60 $4,078
Oxycodone Hcl Generic 152 55 $2,948
Diclofenac Sodium Generic 143 54 $6,445
Cyclobenzaprine Hcl Generic 123 45 $1,583
Tizanidine Hcl Generic 110 34 $1,992
Ibuprofen Generic 91 27 $1,070
Lidocaine Generic 58 23 $5,446
Amitriptyline Hcl Generic 55 15 $736
Pregabalin Generic 40 21 $1,272

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Wirth's medical specialty?
Dr. Karen Wirth practices Family Nurse Practitioner in Waldorf, MD.
Where does Dr. Karen Wirth practice?
Dr. Karen Wirth practices at 3581 Old Washington RD, Waldorf, MD 206023270. Office phone: 3016384400.
What is Dr. Karen Wirth's NPI?
Dr. Karen Wirth's National Provider Identifier (NPI) is 1720553506, issued by NPPES.
What procedures does Dr. Karen Wirth commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound study of arm and leg arteries (HCPCS 93922). Source: CMS Medicare Physician & Other Practitioners file.