William Linkroum, CRNP
NPI 1467019307 · Acute Care Nurse Practitioner · Columbia, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Linkroum, CRNP is a Acute Care Nurse Practitioner provider in Columbia, MD (NPI 1467019307).
Provider details
- NPI number
- 1467019307
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
399 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 163 | $69 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 102 | $152 |
| Advance Care Planning, Each Additional 30 Minutes99498 | 81 | $66 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 53 | $109 |
Typical Medicare-allowed amounts for these services range $66–$152 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 1800 Orleans St # 5wBaltimore, MD 21287-0010Phone: (804) 615-4308
Registry dates
- Enumerated
- 2019-05-27
- Last updated
- 2020-07-09
- Certified
- 2020-07-09
Frequently asked questions
- What is William Linkroum's NPI number?
- William Linkroum's National Provider Identifier (NPI) is 1467019307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Linkroum's specialty?
- William Linkroum is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Linkroum located?
- William Linkroum's practice location on file with NPPES is 5457 Twin Knolls Rd Ste 100, Columbia, MD 21045-3263.
- What is William Linkroum's phone number?
- The practice phone number listed in the NPPES registry for William Linkroum is (443) 430-5370.
- Does William Linkroum accept Medicare?
- William Linkroum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Linkroum's NPI active?
- Yes — William Linkroum's NPI (1467019307) is active in the NPPES registry as of the last update on 2020-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.