Doctor profile · Federal record
Dr. Mary Keirsey, CRNP
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · West Chester, PA
- NPI 1518132687
- Accepts Medicare
- MIPS 86.8 / 100 · 2023
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
701 E Marshall St
West Chester, PA 193804412
(610) 431-5000 - Mailing address
-
701 E Marshall Street
West Chester, PA 193804412
Credentials & registration
- NPI registered
- April 2008 — 18 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State license (1)
- Pennsylvania #SP009800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518132687. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
17
Distinct HCPCS
1
Medicare allowed
$3,232
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 17 | 17 | $190 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 94. This provider delivers 0.2× the peer median.Frequently asked questions
What is Dr. Mary Keirsey's medical specialty?
Dr. Mary Keirsey practices Adult Health Nurse Practitioner in West Chester, PA.
Where does Dr. Mary Keirsey practice?
Dr. Mary Keirsey practices at 701 E Marshall St, West Chester, PA 193804412. Office phone: 6104315000.
What is Dr. Mary Keirsey's NPI?
Dr. Mary Keirsey's National Provider Identifier (NPI) is 1518132687, issued by NPPES.
Does Dr. Mary Keirsey accept Medicare assignment?
Yes. Dr. Mary Keirsey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Keirsey commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.