DR. JEFFERSON W. JEX M.D.
NPI 1194715805
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Bethesda, MD

Active since October 24, 2005PECOS Enrolled
46.84/100
CMS Quality Rating
8901 WISCONSIN AVE, BETHESDA, MD 20889(301) 295-0730 Get Directions Write a Review

NPPES record last updated: May 15, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jefferson W. Jex M.d. NPPES

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

DR. JEFFERSON W. JEX M.D. (NPI 1194715805) is an individual pediatric orthopaedic surgery provider in Bethesda, Maryland, licensed in Colorado (45630) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Tripler Army Medical Center.

NPPES Registry Identity

NPI1194715805
Entity TypeIndividualMale
Primary Taxonomy207XP3100X
Provider Legal NameDR. JEFFERSON W. JEXCredential: M.D.
Location Address8901 WISCONSIN AVEBethesda, MD 20889-0004
Mailing Address8901 Wisconsin AveBethesda, MD 20889-0004 · (301) 295-0730
Sole ProprietorNo
Enumeration DateOctober 24, 2005
Last NPPES UpdateMay 15, 2018
✔ NPI 1194715805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Pediatric Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XP3100X
License✔ Licensed in CO · 45630
Definition
An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.
8901 WISCONSIN AVE, Bethesda, MD 20889

Secondary Practice Location 1

Location 11 Jarrett White RdTripler Army Medical Center, HI 96859-5001 · Phone (808) 433-3416 · Fax (808) 433-1554

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jefferson W. Jex M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Jefferson Jex reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopaedic Surgery
7550 WEST VILLAGE CIRCLE, SUITE 1
Wichita, KS 67205
  • Reassigned Medicare billing, Kansas enrollment
  • Medicare enrollment name: Kansas Orthopaedic Center, PA
  • 22 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.

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.

46.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality25.24
Promoting Interoperability0
Improvement Activities40
Cost80.92

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.

Pharmacist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Radiology (Diagnostic Radiology)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Student in an Organized Health Care Education/Training Program
8901 WISCONSIN AVE
BETHESDA, MD 20889
Internal Medicine (Infectious Disease)
8901 WISCONSIN AVE
BETHESDA, MD 20889
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Psychiatry & Neurology (Psychiatry)
8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889
Physical Therapist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Pediatrics
8901 WISCONSIN AVE
BETHESDA, MD 20889

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 Jefferson Jex's NPI number?

The NPI number for Jefferson Jex is 1194715805. It was assigned to this individual provider in the NPPES registry on October 24, 2005.

Where is Jefferson Jex located?

Jefferson Jex practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-0730.

What is Jefferson Jex's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Is Jefferson Jex enrolled in Medicare?

Yes. Jefferson Jex is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jefferson Jex's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jefferson Jex reassigns Medicare benefits to Kansas Orthopaedic Center, P.A. (Wichita, KS). 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 Jefferson Jex's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jefferson Jex accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Blue Cross and Blue Shield of Kansas, Inc. and 1 other insurer list Jefferson Jex 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.

When was this NPI record last updated?

The NPPES record for Jefferson Jex was last updated on May 15, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.