NPPES file of Aug 9, 2026

Rosalynn Joy Allen, CRNP

Psychiatric/Mental Health Nurse Practitioner · Baltimore, MD

Rosalynn Joy Allen, CRNP is a psychiatric/mental health nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1275147167, issued on Sep 8, 2020. Check the license (Maryland R121828, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1275147167
Name
Rosalynn Joy Allen
Credential
CRNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
R121828 MD
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(601) 274-1578
Enumerated
Sep 8, 2020
Record last updated
Sep 20, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20251031002555); 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 22 S Greene St

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

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117

Verify Rosalynn Joy Allen 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 R121828    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

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429 psychiatric/mental health nurse practitioner records list a practice address in Baltimore

They are 429 of the 35,183 NPPES records with a practice address in Baltimore, and 2,373 psychiatric/mental health nurse practitioner records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 429 in Baltimore → All 2,373 in Maryland → Every provider in Baltimore →

Other psychiatric/mental health nurse practitioner records in Maryland

  1. Elisabeth Abamina-Lette, PMHNP-BCBaltimore, MD1578210035
  2. Christina Abange, NPGreenbelt, MD1467193854
  3. Itoro AbataiBaltimore, MD1245839653
  4. Ama Abban, PMHNPJessup, MD1184488017
  5. Lindsay Abbott, PMHNP-BCBaltimore, MD1205264116
  6. Adebola Abe-Fapohunda, PMHNP-BCUpper Marlboro, MD1083227177
  7. Genet Abera, CRNP-PMHNPSilver Spring, MD1346979135
  8. Karen AbernathyBaltimore, MD1588032122
  9. Zekarias AbessaSevern, MD1659198729
  10. Deepa Abhilash, CRNPSalisbury, MD1831718972

Common questions

What is Rosalynn Joy Allen, CRNP's NPI number?

Rosalynn Joy Allen, CRNP's National Provider Identifier (NPI) is 1275147167, issued on Sep 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Rosalynn Joy Allen, CRNP located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (601) 274-1578. Providers update this record themselves, so call before visiting.

How can I verify Rosalynn Joy Allen, CRNP's license?

NPPES lists Maryland license number R121828, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.