SONIA ANN SZLYK MD
NPI 1487775086
Anesthesiology in Fairfax, VA
About Sonia Ann Szlyk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SONIA ANN SZLYK MD (NPI 1487775086) is an individual anesthesiology provider in Fairfax, Virginia, licensed in Virginia (0101245105) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Park City Hospital, and is a graduate of George Washington University School Of Medicine (2003).
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
Sonia Ann Szlyk Md 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
3Medicare enrollment records show Sonia Szlyk reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Germantown, MD 20876
- Reassigned Medicare billing, District of Columbia enrollment
- 68 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, District of Columbia enrollment
- 196 clinicians in this Medicare group
Lehi, UT 84043
- Reassigned Medicare billing, Utah enrollment
- 355 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 2
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.
Park City Hospital
Acute Care Hospitals · Park City, UTMedicare 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.
FAIRFAX, VA 22033
FAIRFAX, VA 22033
FAIRFAX, VA 22033
FAIRFAX, VA 22033
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 Sonia Szlyk's NPI number?
The NPI number for Sonia Szlyk is 1487775086. It was assigned to this individual provider in the NPPES registry on April 2, 2007.
Where is Sonia Szlyk located?
Sonia Szlyk practices at 3998 Fair Ridge Dr Ste., 320, Fairfax, VA 22033. The listed phone number is (703) 295-9360.
What is Sonia Szlyk's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sonia Szlyk enrolled in Medicare?
Yes. Sonia Szlyk 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 Sonia Szlyk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Szlyk reassigns Medicare benefits to 3 organizations: Capitol Anesthesia Associates, Ltd (Germantown, MD), North American Partners In Anesthesia Maryland LLC (Prince Frederick, MD) and Mountain West Anesthesia LLC (Lehi, UT). 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 Sonia Szlyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sonia Szlyk affiliated with any hospitals?
According to CMS data, Sonia Szlyk is affiliated with Park City Hospital.
When was this NPI record last updated?
The NPPES record for Sonia Szlyk was last updated on March 25, 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.
# Sonia Ann Szlyk, MD · NPI 1487775086
Anesthesiology physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since April 2, 2007.
## Identity
- **NPI:** 1487775086 (Entity type: Individual)
- **Enumerated:** April 2, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 0101245105 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3998 FAIR RIDGE DR, STE., 320, Fairfax, VA 22033-2907
- **Phone:** (703) 295-9360 · **Fax:** (703) 295-9369
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Capitol Anesthesia Associates, Ltd (NPI 1194106955, Germantown, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD); Mountain West Anesthesia LLC (NPI 1558391763, Lehi, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** March 25, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1487775086) · Data from the CMS NPPES public registry.