Eric James Williamson, CRNP
Acute Care Nurse Practitioner · Baltimore, MD
Eric James Williamson, CRNP is an acute care nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1205337540, issued on Feb 22, 2018. Check the license (Maryland R201656, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eric James Williamson
- Credential
- CRNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- R201656 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-8667
- Enumerated
- Feb 22, 2018
- Record last updated
- Feb 22, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181018002456); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 755 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
- Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify Eric James Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R201656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $77.81
2 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Luminis Health Medical Group, LLCAnnapolis, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric James Williamson among 755 acute care nurse practitioner records in Maryland
Eric James Williamson, 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 2018, is newer than 55% of them.
- NPI issued2018 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2017 among the 494 with a school on file
- Record last updated2018 · 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).
423 acute care nurse practitioner records list a practice address in Baltimore
They are 423 of the 35,183 NPPES records with a practice address in Baltimore, and 755 acute care nurse practitioner records in Maryland.
All 755 in Maryland → Every provider in Baltimore → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Michelle Agostini, NPBaltimore, MD 212011346467610
- Lynn Dees, CRNPBaltimore, MD 212011265412316
- P Frawley, ACNPBaltimore, MD 212011215147814
- Colleen Gaffney, CRNPBaltimore, MD 212011295957579
- T. Nicole Kelley, RN, MS, CRNPBaltimore, MD 212011932241981
- Lou-Ellen Lallier, CRNPBaltimore, MD 212011649480096
- Benjamin Laughton, CRNPBaltimore, MD 212011902016512
- Melinda Lebrun, CRNPBaltimore, MD 212011639395932
Common questions
What is Eric James Williamson, CRNP's NPI number?
Eric James Williamson, CRNP's National Provider Identifier (NPI) is 1205337540, issued on Feb 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Eric James Williamson, CRNP located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-8667. Providers update this record themselves, so call before visiting.
How can I verify Eric James Williamson, CRNP's license?
NPPES lists Maryland license number R201656, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
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.