Doctor profile · Federal record

Dr. William Linkroum, CRNP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Student in an Organized Health Care Education/Training Program · Columbia, MD

  • NPI 1467019307
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5457 Twin Knolls RD Ste 100
Columbia, MD 210453263
(443) 430-5370
Additional location
1800 Orleans St # 5W
Baltimore, MD 212870010
(804) 615-4308
Mailing address
1214 W Lake Ave
Baltimore, MD 212101013

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
July 9, 2020
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Maryland #R220163

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467019307. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
454
Distinct HCPCS
4
Medicare allowed
$41,191
HCPCS Description Services Patients Avg allowed
99497 Advance care planning, first 30 minutes 178 130 $68
99498 Advance care planning, each additional 30 minutes 101 83 $64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 88 85 $151
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 87 61 $107

In context: peer comparison

Among 2 peers in this city , average services per provider: 109. This provider delivers 4.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Linkroum's medical specialty?
Dr. William Linkroum practices Acute Care Nurse Practitioner in Columbia, MD.
Where does Dr. William Linkroum practice?
Dr. William Linkroum practices at 5457 Twin Knolls RD Ste 100, Columbia, MD 210453263. Office phone: 4434305370.
What is Dr. William Linkroum's NPI?
Dr. William Linkroum's National Provider Identifier (NPI) is 1467019307, issued by NPPES.
Does Dr. William Linkroum accept Medicare assignment?
Yes. Dr. William Linkroum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Linkroum commonly perform?
Top Medicare-reported procedures in 2023: Advance care planning (HCPCS 99497); Advance care planning (HCPCS 99498); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.