NPPES file of Aug 9, 2026

William Linkroum, CRNP

Acute Care Nurse Practitioner · Columbia, MD

William Linkroum, CRNP is an acute care nurse practitioner with a practice address in Columbia, Maryland, and NPI 1467019307, issued on May 27, 2019. Check the license (Maryland R220163, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467019307
Name
William Linkroum
Credential
CRNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
R220163 MD
Self-reported in NPPES; status is on the state search
Practice location
5457 Twin Knolls RD Ste 100, Columbia, MD 21045
Phone
(443) 430-5370
Enumerated
May 27, 2019
Record last updated
Jul 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200429001282); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5457 Twin Knolls RD Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Agnes AgbortarhFamily Nurse Practitioner1346901865
  2. Brittany Briscoe, NPFamily Nurse Practitioner1568014025
  3. Sanchez Brown, NURSE PRACTITIONERFamily Nurse Practitioner1003383779
  4. Ruth Abigail Bunolna, CRNP, DNPAdult Health Nurse Practitioner1144680281
  5. Lyla Correoso Thomas, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1083737399
  6. Deborah Fitzpatrick, M.D.Internal Medicine Physician1619939907

Verify William Linkroum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R220163
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 80.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.7
  2. Costout of 100 · 30%53.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Gilchrist Hospice Care IncBaltimore, MD
  2. Medstar Medical Group II LLCLeonardtown, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Linkroum among 755 acute care nurse practitioner records in Maryland

William Linkroum, CRNP is one of 755 acute care nurse practitioner records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 59% of them.

  • NPI issued2019 · 59% of these records are older, 35% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2018 · median 2017 among the 494 with a school on file
  • Record last updated2020 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Maryland

There are 755 acute care nurse practitioner records in Maryland.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Jacqueline Buron, ACNPBaltimore, MD 210451336375526
  2. Payal Christian, CRNPColumbia, MD 210441871992933
  3. Angela Drewniak, CRNPColumbia, MD 210441750539375
  4. Elizabeth Heetderks, ACNPColumbia, MD 210441285941955
  5. Floyd Johnson, NPColumbia, MD 210441033340799
  6. Dianne London, CRNPColumbia, MD 210441942518824
  7. Gissella ManaColumbia, MD 210441033473582
  8. Chastity Scarlett, AGACNP-BCColumbia, MD 210441881309185

Common questions

What is William Linkroum, CRNP's NPI number?

William Linkroum, CRNP's National Provider Identifier (NPI) is 1467019307, issued on May 27, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William Linkroum, CRNP located?

The NPPES record lists a practice address at 5457 Twin Knolls RD Ste 100, Columbia, MD, 21045. Phone: (443) 430-5370. Providers update this record themselves, so call before visiting.

How can I verify William Linkroum, CRNP's license?

NPPES lists Maryland license number R220163, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

What is William Linkroum, CRNP's MIPS final score?

The 2023 MIPS final score is 80.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.