Janell S. Gilliam, FNP-BC
Family Nurse Practitioner · Baltimore, MD
Janell S. Gilliam, FNP-BC is a family nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1275736167, issued on Jun 7, 2007. Check the license (Maryland 2025062243, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janell S. Gilliam
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2025062243 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10 N Greene St, Baltimore, MD 21201
- Phone
- (410) 770-1313
- Enumerated
- Jun 7, 2007
- Record last updated
- Nov 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20260114003404); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 10 N Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Janell S. Gilliam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 2025062243Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Optimize Medical GroupLandover, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janell S. Gilliam among 4,124 family nurse practitioner records in Maryland
Janell S. Gilliam, FNP-BC is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 89% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2025 · median 2019 among the 2,370 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
712 family nurse practitioner records list a practice address in Baltimore
They are 712 of the 35,183 NPPES records with a practice address in Baltimore, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Baltimore → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jinae Arneklev, CRNPBaltimore, MD 212011033158902
- Jodi Berg-Gaither, CRNPBaltimore, MD 212011023157930
- Amy Fradel, FNPBaltimore, MD 212011881671345
- Tynnetta Graham, CRNPBaltimore, MD 212011578573440
- Linda Iseler, N.P.Baltimore, MD 212011992764500
- Karen Jackson, NPBaltimore, MD 212011497703649
- Elena Keller, CRNPBaltimore, MD 212011215947015
- Margaret McManus, M.S.Baltimore, MD 212011124011846
Common questions
What is Janell S. Gilliam, FNP-BC's NPI number?
Janell S. Gilliam, FNP-BC's National Provider Identifier (NPI) is 1275736167, issued on Jun 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Janell S. Gilliam, FNP-BC located?
The NPPES record lists a practice address at 10 N Greene St, Baltimore, MD, 21201. Phone: (410) 770-1313. Providers update this record themselves, so call before visiting.
How can I verify Janell S. Gilliam, FNP-BC's license?
NPPES lists Maryland license number 2025062243, 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.