MRS. SONJA MELISSA ALEXANDER CRNP
NPI 1023264496
Nurse Practitioner - Family in Baltimore, MD
About Mrs. Sonja Melissa Alexander Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SONJA MELISSA ALEXANDER CRNP (NPI 1023264496) is an individual family provider in Baltimore, Maryland, licensed in Maryland (R153098) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Sonja Melissa Alexander Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sonja Alexander reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: St Paul Place Specialists, Inc.
- 423 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sonja Alexander's NPI number?
The NPI number for Sonja Alexander is 1023264496. It was assigned to this individual provider in the NPPES registry on August 17, 2008. The provider is also known as Miss Sonja Melissa Benn Crnp.
Where is Sonja Alexander located?
Sonja Alexander practices at 227 Saint Paul Pl, Baltimore, MD 21202. The listed phone number is (410) 332-9205.
What is Sonja Alexander's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sonja Alexander enrolled in Medicare?
Yes. Sonja Alexander is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sonja Alexander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonja Alexander reassigns Medicare benefits to Saint Paul Place Specialists, Inc. (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sonja Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sonja Alexander was last updated on January 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mrs. Sonja Melissa Alexander, CRNP · NPI 1023264496
Family physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since August 17, 2008.
## Identity
- **NPI:** 1023264496 (Entity type: Individual)
- **Enumerated:** August 17, 2008
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R153098 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 227 SAINT PAUL PL, Baltimore, MD 21202-2001
- **Phone:** (410) 332-9205 · **Fax:** (410) 545-4611
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Saint Paul Place Specialists, Inc. (NPI 1225075856, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 17, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1023264496) · Data from the CMS NPPES public registry.