DR. KAREN VAIL M.D.
NPI 1427041748
Anesthesiology in Towson, MD
About Dr. Karen Vail M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN VAIL M.D. (NPI 1427041748) is an individual anesthesiology provider in Towson, Maryland, licensed in Maryland (D0047401) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Bryn Mawr Hospital, and is a graduate of Medical College Of Pennsylvania (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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. Karen Vail M.d. 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
6Medicare enrollment records show Karen Vail reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- 72 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
Wynnewood, PA 19096
- Reassigned Medicare billing, Pennsylvania enrollment
- 489 clinicians in this Medicare group
Salisbury, MD 21804
- Reassigned Medicare billing, Maryland enrollment
- 27 clinicians in this Medicare group
Hazleton, PA 18201
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Hazleton Anesthesia Services PC
- 81 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 5
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.
Bryn Mawr Hospital
Acute Care Hospitals · Bryn Mawr, PAOther 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 21204
BALTIMORE, MD 21204
BALTIMORE, MD 21204
BALTIMORE, MD 21204
BALTIMORE, MD 21204
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 Karen Vail's NPI number?
The NPI number for Karen Vail is 1427041748. It was assigned to this individual provider in the NPPES registry on August 23, 2005.
Where is Karen Vail located?
Karen Vail practices at 6701 N Charles St, Towson, MD 21204. The listed phone number is (410) 296-4616.
What is Karen Vail's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Karen Vail enrolled in Medicare?
Yes. Karen Vail 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 Karen Vail's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Vail reassigns Medicare benefits to 6 organizations: Gbmc Hospital Based Services, LLC (Baltimore, MD), Anesthesia Company, LLC (Annapolis, MD), North American Partners In Anesthesia Maryland LLC (Prince Frederick, MD), United Anesthesia Services PC (Wynnewood, PA), Anesthesia Assoc Of Maryland (Salisbury, MD) and 1 more organization, listed in the Medicare section above. 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 Karen Vail's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Karen Vail affiliated with any hospitals?
According to CMS data, Karen Vail is affiliated with Bryn Mawr Hospital.
When was this NPI record last updated?
The NPPES record for Karen Vail was last updated on September 1, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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. Karen Vail, M.D. · NPI 1427041748
Anesthesiology physician in Towson, Maryland. Individual provider, active in the CMS NPPES registry since August 23, 2005.
## Identity
- **NPI:** 1427041748 (Entity type: Individual)
- **Enumerated:** August 23, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0047401 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 6701 N CHARLES ST, Towson, MD 21204-6808
- **Phone:** (410) 296-4616 · **Fax:** (410) 337-5068
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Gbmc Hospital Based Services, LLC (NPI 1699610667, Baltimore, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD); United Anesthesia Services PC (NPI 1053366062, Wynnewood, PA); Anesthesia Assoc Of Maryland (NPI 1437464120, Salisbury, MD); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Pennsylvania, class of 1990
## Record status
- **NPPES last updated:** September 1, 2009
- **Other identifiers:** Medicaid 350201500 (MD); Medicare UPIN G10135 (MD); Medicare PIN H506751M (MD); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1427041748) · Data from the CMS NPPES public registry.