JONATHAN W. HARPER MD
NPI 1255861027
Hospitalist in Loma Linda, CA
About Jonathan W. Harper Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN W. HARPER MD (NPI 1255861027) is an individual hospitalist provider in Loma Linda, California, licensed in California (A15173) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jonathan W. Harper 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.
Areas of Expertise CMS Part B claims 5
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 92350 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
LOMA LINDA, CA 92350
LOMA LINDA, CA 92350
LOMA LINDA, CA 92350
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 Jonathan Harper's NPI number?
The NPI number for Jonathan Harper is 1255861027. It was assigned to this individual provider in the NPPES registry on June 14, 2017.
Where is Jonathan Harper located?
Jonathan Harper practices at 11234 Anderson St, Loma Linda, CA 92350. The listed phone number is (909) 558-8131.
What is Jonathan Harper's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Jonathan Harper enrolled in Medicare?
Yes. Jonathan Harper 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.
When was this NPI record last updated?
The NPPES record for Jonathan Harper was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Jonathan W. Harper, MD · NPI 1255861027
Hospitalist physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since June 14, 2017.
## Identity
- **NPI:** 1255861027 (Entity type: Individual)
- **Enumerated:** June 14, 2017
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A15173 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11234 ANDERSON ST, Loma Linda, CA 92350-1716
- **Phone:** (909) 558-8131
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Loma Linda University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** May 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255861027) · Data from the CMS NPPES public registry.