JOHN CARL MORGENSTERN M.D.
NPI 1740386432
Internal Medicine - Gastroenterology in Lewiston, ID
About John Carl Morgenstern M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN CARL MORGENSTERN M.D. (NPI 1740386432) is an individual gastroenterology provider in Lewiston, Idaho, licensed in Idaho (M-11337) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph Regional Medical Center, and maintains a secondary practice location in Lewiston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
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
John Carl Morgenstern 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 Reassignment
Medicare enrollment records show John Morgenstern reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lewiston, ID 83501
- Reassigned Medicare billing, Idaho and Washington enrollments
- Also billed through NPI 1043744287 (Washington)
- 164 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 9
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph Regional Medical Center
Acute Care Hospitals · Lewiston, IDSyringa General Hospital
Critical Access Hospitals · Grangeville, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83501 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.
Reported Quality Measures
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 John Morgenstern's NPI number?
The NPI number for John Morgenstern is 1740386432. It was assigned to this individual provider in the NPPES registry on September 16, 2006.
Where is John Morgenstern located?
John Morgenstern practices at 415 6th St, Lewiston, ID 83501. The listed phone number is (208) 743-3998.
What is John Morgenstern's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is John Morgenstern enrolled in Medicare?
Yes. John Morgenstern 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 organization bills Medicare for John Morgenstern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Morgenstern reassigns Medicare benefits to St Joseph Hospital LLC (Lewiston, ID). 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 John Morgenstern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Morgenstern accept?
Health plans from Ambetter Health, Molina Healthcare and PacificSource Health Plans list John Morgenstern 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 John Morgenstern affiliated with any hospitals?
According to CMS data, John Morgenstern is affiliated with St Joseph Regional Medical Center and Syringa General Hospital.
When was this NPI record last updated?
The NPPES record for John Morgenstern was last updated on December 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.