MR. WILLIAM LINKROUM IV CRNP
NPI 1467019307
Nurse Practitioner - Acute Care in Columbia, MD

Active since May 27, 2019PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
5457 TWIN KNOLLS RD STE 100, COLUMBIA, MD 21045(443) 430-5370 Get Directions Write a Review

NPPES record last updated: July 9, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 9, 2020, May 27, 2019 (2 updates tracked since 2019).

About Mr. William Linkroum Iv Crnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM LINKROUM IV CRNP (NPI 1467019307) is an individual acute care provider in Columbia, Maryland, licensed in Maryland (R220163) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1467019307
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameMR. WILLIAM LINKROUM IVCredential: CRNP
Location Address5457 TWIN KNOLLS RD STE 100Columbia, MD 21045-3263
Mailing Address1214 W Lake AveBaltimore, MD 21210-1013 · (804) 615-4308
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMay 27, 2019
Last NPPES UpdateJuly 9, 20202 updates tracked since enumeration
NPPES CertifiedJuly 9, 2020
NPI 1467019307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in MD · R220163
5457 TWIN KNOLLS RD STE 100, Columbia, MD 21045

Secondary Practice Location 1

Location 11800 Orleans St # 5WBaltimore, MD 21287-0010 · Phone (804) 615-4308

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. William Linkroum Iv Crnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496185779
PECOS Enrollment IDI20200429001282
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
163 services120 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
102 services99 patients
Advance care planning, each additional 30 minutes 99498
Advance care planning involves discussing and documenting your future health care preferences in case you're unable to make decisions for yourself. Each additional 30 minutes allows more time to explore your wishes, values, and goals for treatment.
81 services70 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
53 services39 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Greater Baltimore Medical Center

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210044
Location6701 North Charles StreetBaltimore, MD 21204 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
5457 TWIN KNOLLS RD STE 100
COLUMBIA, MD 21045
Family Medicine (Hospice and Palliative Medicine)
5457 TWIN KNOLLS RD STE 100
COLUMBIA, MD 21045
Internal Medicine (Hospice and Palliative Medicine)
5457 TWIN KNOLLS RD STE 100
COLUMBIA, MD 21045
Nurse Practitioner (Adult Health)
5457 TWIN KNOLLS RD STE 100
COLUMBIA, MD 21045
Nurse Practitioner (Adult Health)
5457 TWIN KNOLLS RD STE 100
COLUMBIA, MD 21045
Nurse Practitioner (Gerontology)
5457 TWIN KNOLLS RD STE 100
COLUMBIA, MD 21045
Nurse Practitioner (Family)
5457 TWIN KNOLLS RD STE 100
COLUMBIA, MD 21045
Nurse Practitioner (Adult Health)
5457 TWIN KNOLLS RD STE 100
COLUMBIA, MD 21045

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Linkroum's NPI number?

The NPI number for William Linkroum is 1467019307. It was assigned to this individual provider in the NPPES registry on May 27, 2019.

Where is William Linkroum located?

William Linkroum practices at 5457 Twin Knolls Rd Ste 100, Columbia, MD 21045. The listed phone number is (443) 430-5370.

What is William Linkroum's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is William Linkroum enrolled in Medicare?

Yes. William Linkroum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is William Linkroum affiliated with any hospitals?

According to CMS data, William Linkroum is affiliated with Medstar Franklin Square Medical Center and Greater Baltimore Medical Center.

When was this NPI record last updated?

The NPPES record for William Linkroum was last updated on July 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.