Doctor profile · Federal record

Dr. Shannon Nagy, CRNP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Baltimore, MD

  • NPI 1558587840
  • Accepts Medicare
  • MIPS 89.3 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
29 S Greene St
Baltimore, MD 212011504
(410) 328-0350
fax (410) 328-6878
Mailing address
10205 Greenside Dr
Cockeysville, MD 210303323

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Maryland #R150249

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558587840. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
676
Distinct HCPCS
7
Medicare allowed
$64,367
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 238 136 $105
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 149 145 $147
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 141 93 $71
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 82 67 $27
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 37 27 $45
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 17 $118
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $116

In context: peer comparison

Among 73 peers in Baltimore Acute Care Nurse Practitioner, average services per provider: 69. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Kiniksa Pharmaceuticals International, Plc 1 $16.58

By nature of payment

Food and Beverage
$17

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shannon Nagy's medical specialty?
Dr. Shannon Nagy practices Acute Care Nurse Practitioner in Baltimore, MD.
Where does Dr. Shannon Nagy practice?
Dr. Shannon Nagy practices at 29 S Greene St, Baltimore, MD 212011504. Office phone: 4103280350.
What is Dr. Shannon Nagy's NPI?
Dr. Shannon Nagy's National Provider Identifier (NPI) is 1558587840, issued by NPPES.
Does Dr. Shannon Nagy accept Medicare assignment?
Yes. Dr. Shannon Nagy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shannon Nagy commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.