DR. ALEXANDER ELIOT HALSTEAD DNP, CRNP, CRNA, FNP
NPI 1689104499
Nurse Anesthetist, Certified Registered in Baltimore, MD
About Dr. Alexander Eliot Halstead Dnp, Crnp, Crna, Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER ELIOT HALSTEAD DNP, CRNP, CRNA, FNP (NPI 1689104499) is an individual nurse anesthetist, certified registered in Baltimore, Maryland, licensed in Maryland (R195987) and active in the NPI registry since June 2017. He is affiliated with Sinai Hospital Of Baltimore, maintains a secondary practice location in Cockeysville, and is a graduate of University Of Maryland School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Dr. Alexander Eliot Halstead Dnp, Crnp, Crna, Fnp 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
2Medicare enrollment records show Alexander Halstead reassigns Medicare billing to 2 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
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.
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.
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 Alexander Halstead's NPI number?
The NPI number for Alexander Halstead is 1689104499. It was assigned to this individual provider in the NPPES registry on June 14, 2017.
Where is Alexander Halstead located?
Alexander Halstead practices at Department Of Anesthesia, Sinai Hospital Of Baltimore 2435 W. Belvedere Ave, 5th Floor, Baltimore, MD 21215. The listed phone number is (410) 601-5209.
What is Alexander Halstead's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Alexander Halstead enrolled in Medicare?
Yes. Alexander Halstead 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 Alexander Halstead's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Halstead reassigns Medicare benefits to 2 organizations: Lifebridge Anesthesia Associates, LLC (Randallstown, 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 Alexander Halstead's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Halstead affiliated with any hospitals?
According to CMS data, Alexander Halstead is affiliated with Sinai Hospital Of Baltimore.
When was this NPI record last updated?
The NPPES record for Alexander Halstead was last updated on September 18, 2023. 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.
# Dr. Alexander Eliot Halstead, DNP, CRNP, CRNA, FNP · NPI 1689104499
Nurse Anesthetist, Certified Registered physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 14, 2017.
## Identity
- **NPI:** 1689104499 (Entity type: Individual)
- **Enumerated:** June 14, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R195987 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** DEPARTMENT OF ANESTHESIA, SINAI HOSPITAL OF BALTIMORE, 2435 W. BELVEDERE AVE, 5TH FLOOR, Baltimore, MD 21215
- **Phone:** (410) 601-5209
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Lifebridge Anesthesia Associates, LLC (NPI 1003992868, Randallstown, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 18, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1689104499) · Data from the CMS NPPES public registry.