Doctor profile · Federal record

Dr. Karen Prahler, CRNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Prince Frederick, MD

  • NPI 1578166492
  • Accepts Medicare
  • 4 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
130 Hospital RD Ste 102
Prince Frederick, MD 206784029
(570) 556-8588
Mailing address
2436 Woodland CT
Chesapeake Beach, MD 207324606

Credentials & registration

NPPES · NUCC
NPI registered
November 2020 — 6 yrs on file
Profile last updated
December 15, 2022
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Maryland #R234785 · Kentucky #1165256

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578166492. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
980
Distinct HCPCS
10
Medicare allowed
$55,384
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 242 215 $77
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 135 129 $35
99203 New patient office or other outpatient visit, 30-44 minutes 119 119 $96
87804 Detection test by immunoassay with direct visual observation for influenza virus 90 44 $16
81003 Automated urinalysis test 67 62 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 62 59 $110
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 54 53 $16
87400 Detection test by immunoassay technique for influenza virus 44 22 $14
96127 Assessment of emotional or behavioral problems 39 39 $5
99215 Established patient office or other outpatient visit, 40-54 minutes 38 36 $150

In context: peer comparison

Among 9 peers in Prince Frederick Family Nurse Practitioner, average services per provider: 115. This provider delivers 8.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$806
Transactions
19
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 7 $385.65
Qol Medical, LLC 5 $197.64
Medtronic, INC. 1 $90.93
Pfizer INC. 2 $43.46
Braintree Laboratories, INC. 1 $31.16
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $24.05
Madrigal Pharmaceuticals 1 $19.10
Janssen Biotech, INC. 1 $13.51

By nature of payment

Food and Beverage
$806

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
160
Patients
155
Total drug cost
$2,059
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 44 42 $609
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 31 31 $336
Fluticasone Propionate Generic 26 25 $252
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 23 22 $684
Prednisone Generic 19 18 $35
Mupirocin Generic 17 17 $143

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Prahler's medical specialty?
Dr. Karen Prahler practices Family Nurse Practitioner in Prince Frederick, MD.
Where does Dr. Karen Prahler practice?
Dr. Karen Prahler practices at 130 Hospital RD Ste 102, Prince Frederick, MD 206784029. Office phone: 5705568588.
What is Dr. Karen Prahler's NPI?
Dr. Karen Prahler's National Provider Identifier (NPI) is 1578166492, issued by NPPES.
Does Dr. Karen Prahler accept Medicare assignment?
Yes. Dr. Karen Prahler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Prahler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.