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JACOB TY ZALEWSKI MD
NPI 1871122572
Orthopaedic Surgery in Knoxville, TN

Active since April 04, 2020PECOS EnrolledAccepts Medicare Assignment
1422 OLD WEISGARBER RD, KNOXVILLE, TN 37909(865) 558-4400(865) 558-4421 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 3, 2026, Jun 24, 2025, May 24, 2020 and 1 more (4 updates tracked since 2020).

About Jacob Ty Zalewski Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACOB TY ZALEWSKI MD (NPI 1871122572) is an individual orthopaedic surgery provider in Knoxville, Tennessee, licensed in Tennessee (77259) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Inova Mount Vernon Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1871122572
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameJACOB TY ZALEWSKICredential: MD
Location Address1422 OLD WEISGARBER RDKnoxville, TN 37909-1293
Mailing Address8320 E Walker Springs Ln Ste 200Knoxville, TN 37923-3120 · (865) 934-3329 · Fax (865) 769-4501
Phone(865) 558-4400
Fax(865) 558-4421
Sole ProprietorNo
Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 2020
Enumeration DateApril 4, 2020
Last NPPES UpdateAugust 3, 20264 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1871122572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in TN · 77259
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryTaxonomy 207XS0114X · License 77259 (TN), 0101285739 (VA)
1422 OLD WEISGARBER RD, Knoxville, TN 37909
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Secondary Practice Locations 3

Location 190 Vermont Ave Ste 300Oak Ridge, TN 37830-6478 · Phone (865) 558-4400 · Fax (865) 483-8151
Location 27750 Dannaher DrPowell, TN 37849-4039 · Phone (865) 558-4400 · Fax (865) 558-4421
Location 3260 Fort Sanders West BlvdKnoxville, TN 37922-3355 · Phone (865) 558-4400 · Fax (865) 558-4421

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Cigna Healthcare.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

Jacob Ty Zalewski 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.

PECOS PAC ID2264862184
PECOS Enrollment IDI20250729005035
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Jacob Zalewski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthotennessee, PC
Same address
Orthopaedic Surgery
1422 OLD WEISGARBER RD
Knoxville, TN 37909
  • Reassigned Medicare billing, Tennessee enrollment
  • 115 clinicians in this Medicare group
NPI 1750472650 (865) 558-4400
Anderson Clinic LLC
430 mi
Orthopaedic Surgery
2800 S SHIRLINGTON RD STE 1100
Arlington, VA 22206
  • Reassigned Medicare billing, District of Columbia enrollment
  • 91 clinicians in this Medicare group
NPI 1568488799 (703) 892-6500

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.

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490122
Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37909 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ROBERT W. HAWKINS N.P.
Nurse Practitioner
1422 OLD WEISGARBER RD
KNOXVILLE, TN 37909
Knox County (865) 558-4400
DR. HERMAN G BOTERO D.O.
Orthopaedic Surgery
1422 OLD WEISGARBER RD
KNOXVILLE, TN 37909
Knox County (865) 558-4400
SARAH K ROACH PA-C
Physician Assistant
1422 OLD WEISGARBER RD
KNOXVILLE, TN 37909
Knox County (865) 558-4400
KEVIN PACK ATC
Specialist/Technologist (Athletic Trainer)
1422 OLD WEISGARBER RD
KNOXVILLE, TN 37909
Knox County (865) 558-4400
DR. ROBERT R. MADIGAN M.D.
Orthopaedic Surgery
1422 OLD WEISGARBER RD
KNOXVILLE, TN 37909
Knox County (865) 558-4400
DREW STANDIFER
Physical Therapist
1422 OLD WEISGARBER RD
KNOXVILLE, TN 37909
Knox County (865) 512-1300
SETH HAMILTON
Physical Therapy Assistant
1422 OLD WEISGARBER RD
KNOXVILLE, TN 37909
Knox County (865) 558-4400
LOGAN B. PENDERGRASS PT
Physical Therapist
1422 OLD WEISGARBER RD
KNOXVILLE, TN 37909
Knox County (865) 558-4480

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 Jacob Zalewski's NPI number?

The NPI number for Jacob Zalewski is 1871122572. It was assigned to this individual provider in the NPPES registry on April 4, 2020.

Where is Jacob Zalewski located?

Jacob Zalewski practices at 1422 Old Weisgarber Rd, Knoxville, TN 37909. The listed phone number is (865) 558-4400.

What is Jacob Zalewski's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Jacob Zalewski enrolled in Medicare?

Yes. Jacob Zalewski 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 Jacob Zalewski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Zalewski reassigns Medicare benefits to 2 organizations: Orthotennessee, PC (Knoxville, TN) and Anderson Clinic LLC (Arlington, VA). 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 Jacob Zalewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jacob Zalewski accept?

Health plans from BlueCross BlueShield of Tennessee and Cigna Healthcare list Jacob Zalewski 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 Jacob Zalewski affiliated with any hospitals?

According to CMS data, Jacob Zalewski is affiliated with Inova Mount Vernon Hospital.

When was this NPI record last updated?

The NPPES record for Jacob Zalewski was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.