JOHN S WEAVER MD
NPI 1780730366
Surgery in Denver, CO
About John S Weaver Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN S WEAVER MD (NPI 1780730366) is an individual surgery provider in Denver, Colorado, licensed in Colorado (0048688) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
John S Weaver 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 John Weaver reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80220
- Reassigned Medicare billing, Colorado enrollment
- 15 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
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 80220 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
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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER, CO 80220
DENVER, CO 80220
DENVER, CO 80220
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 Weaver's NPI number?
The NPI number for John Weaver is 1780730366. It was assigned to this individual provider in the NPPES registry on January 26, 2007.
Where is John Weaver located?
John Weaver practices at 4600 Hale Pkwy Ste 340, Denver, CO 80220. The listed phone number is (303) 280-0900.
What is John Weaver's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is John Weaver enrolled in Medicare?
Yes. John Weaver 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 Weaver's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Weaver reassigns Medicare benefits to Healthone Clinic Services - Bariatric Medicine LLC (Denver, CO). 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 Weaver's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Weaver accept?
Health plans from UnitedHealthcare list John Weaver 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.
When was this NPI record last updated?
The NPPES record for John Weaver was last updated on January 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# John S Weaver, MD · NPI 1780730366
Surgery physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since January 26, 2007.
## Identity
- **NPI:** 1780730366 (Entity type: Individual)
- **Enumerated:** January 26, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 0048688 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 4600 HALE PKWY STE 340, Denver, CO 80220-4000
- **Phone:** (303) 280-0900 · **Fax:** (303) 280-3858
## 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:** Healthone Clinic Services - Bariatric Medicine LLC (NPI 1174856637, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 2004
## Record status
- **NPPES last updated:** January 26, 2022
- **Other identifiers:** Medicaid 19726881 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1780730366) · Data from the CMS NPPES public registry.