DR. JOHN LESLIE SCHOONMAKER D.O.
NPI 1841231537
Family Medicine in Menifee, CA
About Dr. John Leslie Schoonmaker D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN LESLIE SCHOONMAKER D.O. (NPI 1841231537) is an individual family medicine provider in Menifee, California, licensed in California (20A7169) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of College Of Osteo Med Of The Pacific At Pomona (1996).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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. John Leslie Schoonmaker D.o. 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 John Schoonmaker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wildomar, CA 92595
- Reassigned Medicare billing, California enrollment
- 69 clinicians in this Medicare group
Hemet, CA 92544
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Temecula, CA 92590
- Reassigned Medicare billing, California enrollment
- 18 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 7
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92586 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
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 John Schoonmaker's NPI number?
The NPI number for John Schoonmaker is 1841231537. It was assigned to this individual provider in the NPPES registry on June 10, 2006. The provider is also known as Dr. John Leslie Schoonmaker D.O..
Where is John Schoonmaker located?
John Schoonmaker practices at 29826 Haun Rd Ste 300, Menifee, CA 92586. The listed phone number is (951) 679-7022.
What is John Schoonmaker's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Schoonmaker enrolled in Medicare?
Yes. John Schoonmaker 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 John Schoonmaker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Schoonmaker reassigns Medicare benefits to 3 organizations: Acute Care Associates Of California PC (Wildomar, CA), Menifee Global Multi-Specialty Group Inc (Hemet, CA) and Inpatient Physicians Network Inc (Temecula, CA). 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 John Schoonmaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Schoonmaker was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. John Leslie Schoonmaker, D.O. · NPI 1841231537
Family Medicine physician in Menifee, California. Individual provider, active in the CMS NPPES registry since June 10, 2006.
## Identity
- **NPI:** 1841231537 (Entity type: Individual)
- **Enumerated:** June 10, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A7169 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 29826 HAUN RD STE 300, Menifee, CA 92586-6547
- **Phone:** (951) 679-7022 · **Fax:** (888) 379-6223
## 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): Acute Care Associates Of California PC (NPI 1194588392, Wildomar, CA); Menifee Global Multi-Specialty Group Inc (NPI 1932110632, Hemet, CA); Inpatient Physicians Network Inc (NPI 1053461178, Temecula, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** College Of Osteo Med Of The Pacific At Pomona, class of 1996
## Record status
- **NPPES last updated:** May 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841231537) · Data from the CMS NPPES public registry.