KRISTEN MARLL
NPI 1003273400
Nurse Anesthetist, Certified Registered in Baltimore, MD
About Kristen Marll NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTEN MARLL (NPI 1003273400) is an individual nurse anesthetist, certified registered in Baltimore, Maryland, licensed in Maryland (R189396) and active in the NPI registry since January 2016. She is affiliated with Sinai Hospital Of Baltimore and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Kristen Marll 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.
Medicare Billing Reassignments
4Medicare enrollment records show Kristen Marll reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Randallstown, MD 21133
- Reassigned Medicare billing, Maryland enrollment
- 135 clinicians in this Medicare group
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 717 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 548 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, Maryland enrollment
- 468 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sinai Hospital Of Baltimore
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21215 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21215
BALTIMORE, MD 21215
BALTIMORE, MD 21215
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 Kristen Marll's NPI number?
The NPI number for Kristen Marll is 1003273400. It was assigned to this individual provider in the NPPES registry on January 15, 2016.
Where is Kristen Marll located?
Kristen Marll practices at 2401 W Belvedere Ave, Baltimore, MD 21215. The listed phone number is (410) 601-5209.
What is Kristen Marll's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Kristen Marll enrolled in Medicare?
Yes. Kristen Marll 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 organizations bill Medicare for Kristen Marll's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Marll reassigns Medicare benefits to 4 organizations: Lifebridge Anesthesia Associates, LLC (Randallstown, MD), First Colonies Anesthesia Associates, LLC (Columbia, MD), Anesthesia Company, LLC (Annapolis, MD) and North American Partners In Anesthesia Maryland LLC (Prince Frederick, MD). Each 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 Kristen Marll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kristen Marll affiliated with any hospitals?
According to CMS data, Kristen Marll is affiliated with Sinai Hospital Of Baltimore.
When was this NPI record last updated?
The NPPES record for Kristen Marll was last updated on December 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Kristen Marll · NPI 1003273400
Nurse Anesthetist, Certified Registered physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since January 15, 2016.
## Identity
- **NPI:** 1003273400 (Entity type: Individual)
- **Enumerated:** January 15, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R189396 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2401 W BELVEDERE AVE, Baltimore, MD 21215-5216
- **Phone:** (410) 601-5209
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Lifebridge Anesthesia Associates, LLC (NPI 1003992868, Randallstown, MD); First Colonies Anesthesia Associates, LLC (NPI 1740218767, Columbia, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** December 15, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1003273400) · Data from the CMS NPPES public registry.