Doctor profile · Federal record

Dr. Mary Walker, CRNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Bel Air, MD

  • NPI 1881281350
  • Accepts Medicare
  • MIPS 73.9 / 100 · 2023
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
520 Upper Chesapeake Dr Ste 301
Bel Air, MD 210144375
(410) 939-3121
Additional location
10084 Reisterstown RD Ste 200F
Owings Mills, MD 211174233
(410) 363-0490
Additional location
12221 Tullamore RD
Lutherville, MD 210937816
(410) 308-7820
fax (410) 308-7809
Mailing address
308 Princeton Ln
Bel Air, MD 210142021

Credentials & registration

NPPES · NUCC
NPI registered
December 2020 — 6 yrs on file
Profile last updated
August 12, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Maryland #R158089

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881281350. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
88
Distinct HCPCS
4
Medicare allowed
$3,817
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 40 40 $36
99213 Established patient office or other outpatient visit, 20-29 minutes 22 18 $81
81002 Urinalysis, manual test 15 15 $3
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $51

In context: peer comparison

Among 14 peers in Bel Air Family Nurse Practitioner, average services per provider: 71. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$494
Transactions
19
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 5 $104.68
Axonics, INC. 1 $99.54
Abbvie INC. 2 $61.70
Corium, LLC 2 $45.48
Supernus Pharmaceuticals, INC. 2 $44.72
Hologic Sales and Service, LLC 2 $42.53
Evofem Biosciences, INC. 1 $24.21
Vertex Pharmaceuticals Incorporated 1 $19.80
CooperSurgical, INC. 1 $19.28
Sumitomo Pharma America, INC. 1 $17.00
Lundbeck LLC 1 $15.24

By nature of payment

Food and Beverage
$494

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
0
Total drug cost
$2,001
Drug Type Claims Patients Total cost
Valacyclovir (Valacyclovir Hcl) Brand 20 0 $371
Estradiol Generic 12 0 $1,630

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Walker's medical specialty?
Dr. Mary Walker practices Family Nurse Practitioner in Bel Air, MD.
Where does Dr. Mary Walker practice?
Dr. Mary Walker practices at 520 Upper Chesapeake Dr Ste 301, Bel Air, MD 210144375. Office phone: 4109393121.
What is Dr. Mary Walker's NPI?
Dr. Mary Walker's National Provider Identifier (NPI) is 1881281350, issued by NPPES.
Does Dr. Mary Walker accept Medicare assignment?
Yes. Dr. Mary Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Walker commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99213); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.