CASSANDRA LYNNE OSENBURG CRNP
NPI 1801688122
Nurse Practitioner - Family in Baltimore, MD

Active since May 21, 2025PECOS EnrolledAccepts Medicare Assignment
9103 FRANKLIN SQUARE DR STE 2200, BALTIMORE, MD 21237(443) 777-7990 Get Directions Write a Review

NPPES record last updated: May 21, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Cassandra Lynne Osenburg Crnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CASSANDRA LYNNE OSENBURG CRNP (NPI 1801688122) is an individual family provider in Baltimore, Maryland, licensed in Maryland (F02250439) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1801688122
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCASSANDRA LYNNE OSENBURGCredential: CRNP
Location Address9103 FRANKLIN SQUARE DR STE 2200Baltimore, MD 21237-3959
Mailing Address9103 Franklin Square Dr Ste 2200Baltimore, MD 21237-3959
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMay 21, 2025
NPPES CertifiedMay 21, 2025
✔ NPI 1801688122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MD · F02250439
9103 FRANKLIN SQUARE DR STE 2200, Baltimore, MD 21237

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cassandra Lynne Osenburg Crnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810402542
PECOS Enrollment IDI20250712000117
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Cassandra Osenburg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Practice
5601 LOCH RAVEN BLVD, RUSSELL MORGAN BLDG 3RD FL
Baltimore, MD 21239
  • Reassigned Medicare billing, Maryland enrollment
  • 2,602 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21237 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery (Surgical Oncology)
9103 FRANKLIN SQUARE DR STE 2200
ROSEDALE, MD 21237
Genetic Counselor, MS
9103 FRANKLIN SQUARE DR STE 2200
BALTIMORE, MD 21237

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 Cassandra Osenburg's NPI number?

The NPI number for Cassandra Osenburg is 1801688122. It was assigned to this individual provider in the NPPES registry on May 21, 2025.

Where is Cassandra Osenburg located?

Cassandra Osenburg practices at 9103 Franklin Square Dr Ste 2200, Baltimore, MD 21237. The listed phone number is (443) 777-7990.

What is Cassandra Osenburg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Cassandra Osenburg enrolled in Medicare?

Yes. Cassandra Osenburg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Cassandra Osenburg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Osenburg reassigns Medicare benefits to Medstar Medical Group II LLC (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 Cassandra Osenburg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Cassandra Osenburg affiliated with any hospitals?

According to CMS data, Cassandra Osenburg is affiliated with Medstar Franklin Square Medical Center.

When was this NPI record last updated?

The NPPES record for Cassandra Osenburg was last updated on May 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.