JACOB JAY WELCH MD
NPI 1689203960
Internal Medicine - Rheumatology in Meridian, ID
About Jacob Jay Welch Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACOB JAY WELCH MD (NPI 1689203960) is an individual rheumatology provider in Meridian, Idaho, licensed in Idaho (4271965) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2020).
NPPES Registry Identity
Specialties & Licenses
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
Jacob Jay Welch 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.
Medicare Billing Reassignment
Medicare enrollment records show Jacob Welch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boise, ID 83712
- Reassigned Medicare billing, Idaho enrollment
- 1,312 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Luke's Regional Medical Center
Acute Care Hospitals · Boise, IDSaint Alphonsus Regional Medical Center
Acute Care Hospitals · Boise, IDSt Luke's Nampa Medical Center
Acute Care Hospitals · Nampa, IDSt Luke's Mccall
Critical Access Hospitals · Mccall, IDSt Luke's Wood River Medical Center
Critical Access Hospitals · Ketchum, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83642 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MERIDIAN, ID 83642
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 Jacob Welch's NPI number?
The NPI number for Jacob Welch is 1689203960. It was assigned to this individual provider in the NPPES registry on April 7, 2020.
Where is Jacob Welch located?
Jacob Welch practices at 520 S Eagle Rd Ste 3211, Meridian, ID 83642. The listed phone number is (208) 706-5930.
What is Jacob Welch's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Jacob Welch enrolled in Medicare?
Yes. Jacob Welch 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 Jacob Welch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Welch reassigns Medicare benefits to St Lukes Clinic-Treasure Valley LLC (Boise, 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 Jacob Welch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jacob Welch accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Select Health list Jacob Welch 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 Jacob Welch affiliated with any hospitals?
According to CMS data, Jacob Welch is affiliated with St Luke's Regional Medical Center, Saint Alphonsus Regional Medical Center, St Luke's Nampa Medical Center, St Luke's Mccall and St Luke's Wood River Medical Center.
When was this NPI record last updated?
The NPPES record for Jacob Welch was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Jacob Jay Welch, MD · NPI 1689203960
Rheumatology physician in Meridian, Idaho. Individual provider, active in the CMS NPPES registry since April 7, 2020.
## Identity
- **NPI:** 1689203960 (Entity type: Individual)
- **Enumerated:** April 7, 2020
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 4271965 (Idaho)
- **Sole proprietor:** No
## Practice location
- **Address:** 520 S EAGLE RD STE 3211, Meridian, ID 83642-6356
- **Phone:** (208) 706-5930 · **Fax:** (208) 706-5942
## 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:** St Lukes Clinic-Treasure Valley LLC (NPI 1326336058, Boise, ID), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2020
## Record status
- **NPPES last updated:** August 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1689203960) · Data from the CMS NPPES public registry.