DR. JOSHUA E LEFLER M.D
NPI 1861835845
Emergency Medicine in Washington, MO
About Dr. Joshua E Lefler M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSHUA E LEFLER M.D (NPI 1861835845) is an individual emergency medicine provider in Washington, Missouri, licensed in Missouri (2020039470) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Washington, and maintains a secondary practice location in Fort Campbell.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Joshua E Lefler 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
7Medicare enrollment records show Joshua Lefler reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 178 clinicians in this Medicare group
Troy, MO 63379
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 241 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 186 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 118 clinicians in this Medicare group
Ste Genevieve, MO 63670
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1073587655 (Missouri)
- 61 clinicians in this Medicare group
Belcourt, ND 58316
- Reassigned Medicare billing, Texas enrollment
- 193 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Washington
Acute Care Hospitals · Washington, MOMercy Hospital Lincoln
Critical Access Hospitals · Troy, MOSte Genevieve County Memorial Hospital
Critical Access Hospitals · Sainte Genevieve, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Joshua Lefler's NPI number?
The NPI number for Joshua Lefler is 1861835845. It was assigned to this individual provider in the NPPES registry on April 9, 2013.
Where is Joshua Lefler located?
Joshua Lefler practices at 901 E 5th St, Washington, MO 63090. The listed phone number is (636) 239-8011.
What is Joshua Lefler's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Joshua Lefler enrolled in Medicare?
Yes. Joshua Lefler 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 Joshua Lefler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Lefler reassigns Medicare benefits to 7 organizations: Mercy Hospitals East Communities (Washington, MO), Mercy Hospital Lincoln (Troy, MO), Mercy Hospitals East Communities (Saint Louis, MO), Mercy Hospital South (Saint Louis, MO), Mercy Hospital Jefferson (Festus, MO) and 2 more organizations, 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 Joshua Lefler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Lefler accept?
Health plans from Anthem Blue Cross and Blue Shield list Joshua Lefler 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 Joshua Lefler affiliated with any hospitals?
According to CMS data, Joshua Lefler is affiliated with Mercy Hospital Washington, Mercy Hospital Lincoln and Ste Genevieve County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Joshua Lefler was last updated on July 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Joshua E Lefler, M.D · NPI 1861835845
Emergency Medicine physician in Washington, Missouri. Individual provider, active in the CMS NPPES registry since April 9, 2013.
## Identity
- **NPI:** 1861835845 (Entity type: Individual)
- **Enumerated:** April 9, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2020039470 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 901 E 5TH ST, Washington, MO 63090-3127
- **Phone:** (636) 239-8011
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Mercy Hospitals East Communities (NPI 1285664177, Washington, MO); Mercy Hospital Lincoln (NPI 1962808733, Troy, MO); Mercy Hospitals East Communities (NPI 1427098169, Saint Louis, MO); Mercy Hospital South (NPI 1568481984, Saint Louis, MO); Mercy Hospital Jefferson (NPI 1508859661, Festus, MO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** July 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861835845) · Data from the CMS NPPES public registry.