Doctor profile · Federal record

Dr. Cassandra Walker, NP

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

  • NPI 1366046682
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 6 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
97 Thomas Johnson Dr Ste 200
Frederick, MD 217024374
(240) 547-6464
Mailing address
253 Kerchner RD
Walkersville, MD 217938259

Credentials & registration

NPPES · NUCC
NPI registered
November 2020 — 6 yrs on file
Profile last updated
January 15, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Maryland #R212921 · Virginia #0024187352
Medicaid (2)
VA #1366046682 · VA #30017662910001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366046682. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,124
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 13 13 $86

In context: peer comparison

Among 37 peers in this city , average services per provider: 76. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,067
Transactions
46
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 21 $405.99
Curonix LLC 6 $390.43
Medtronic, Inc. 8 $140.42
Collegium Pharmaceutical, Inc. 4 $65.35
Electronic Waveform Lab, Inc. 5 $27.07
ABBVIE INC. 1 $20.98
Fidia Pharma USA Inc. 1 $16.64

By nature of payment

Food and Beverage
$852
Travel and Lodging
$215

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Walker's medical specialty?
Dr. Cassandra Walker practices Family Nurse Practitioner in Frederick, MD.
Where does Dr. Cassandra Walker practice?
Dr. Cassandra Walker practices at 97 Thomas Johnson Dr Ste 200, Frederick, MD 217024374. Office phone: 2405476464.
What is Dr. Cassandra Walker's NPI?
Dr. Cassandra Walker's National Provider Identifier (NPI) is 1366046682, issued by NPPES.
Does Dr. Cassandra Walker accept Medicare assignment?
Yes. Dr. Cassandra Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.