AARON BAILEY ZEWATSKY CRNA
NPI 1780831594
Nurse Anesthetist, Certified Registered in Oakland, MD
About Aaron Bailey Zewatsky Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AARON BAILEY ZEWATSKY CRNA (NPI 1780831594) is an individual nurse anesthetist, certified registered in Oakland, Maryland, licensed in Maryland (R183054) and active in the NPI registry since August 2008. He is affiliated with Garrett Regional Medical Center and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Aaron Bailey Zewatsky Crna 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 Reassignment
Medicare enrollment records show Aaron Zewatsky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oakland, MD 21550
- Reassigned Medicare billing, Maryland enrollment
- 120 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 6
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.
Garrett Regional Medical Center
Acute Care Hospitals · Oakland, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
OAKLAND, MD 21550
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 Aaron Zewatsky's NPI number?
The NPI number for Aaron Zewatsky is 1780831594. It was assigned to this individual provider in the NPPES registry on August 22, 2008.
Where is Aaron Zewatsky located?
Aaron Zewatsky practices at 251 N 4th St, Oakland, MD 21550. The listed phone number is (301) 533-4240.
What is Aaron Zewatsky's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Aaron Zewatsky enrolled in Medicare?
Yes. Aaron Zewatsky 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 Aaron Zewatsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Zewatsky reassigns Medicare benefits to Specialty Physicians Of Garrett County, LLC (Oakland, 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 Aaron Zewatsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Zewatsky accept?
Health plans from CareSource list Aaron Zewatsky as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Aaron Zewatsky affiliated with any hospitals?
According to CMS data, Aaron Zewatsky is affiliated with Garrett Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Aaron Zewatsky was last updated on September 11, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Aaron Bailey Zewatsky, CRNA · NPI 1780831594
Nurse Anesthetist, Certified Registered physician in Oakland, Maryland. Individual provider, active in the CMS NPPES registry since August 22, 2008.
## Identity
- **NPI:** 1780831594 (Entity type: Individual)
- **Enumerated:** August 22, 2008
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R183054 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 251 N 4TH ST, Oakland, MD 21550-1375
- **Phone:** (301) 533-4240 · **Fax:** (301) 533-4208
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Specialty Physicians Of Garrett County, LLC (NPI 1225707532, Oakland, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** September 11, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1780831594) · Data from the CMS NPPES public registry.