DR. WILLIAM J. WATERHOUSE MD
NPI 1275536138
Ophthalmology in Grand Jct, CO
About Dr. William J. Waterhouse Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM J. WATERHOUSE MD (NPI 1275536138) is an individual ophthalmology provider in Grand Jct, Colorado, licensed in Colorado (33513) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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. William J. Waterhouse 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 William Waterhouse reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Junction, CO 81505
- Reassigned Medicare billing, Colorado enrollment
- 3 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 12
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 81505 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND JUNCTION, CO 81505
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 William Waterhouse's NPI number?
The NPI number for William Waterhouse is 1275536138. It was assigned to this individual provider in the NPPES registry on May 24, 2005.
Where is William Waterhouse located?
William Waterhouse practices at 2478 Patterson Rd # 7, Grand Jct, CO 81505. The listed phone number is (970) 255-7065.
What is William Waterhouse's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is William Waterhouse enrolled in Medicare?
Yes. William Waterhouse 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 William Waterhouse's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Waterhouse reassigns Medicare benefits to The Retina Center Of Western Colorado Rllp (Grand Junction, 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 William Waterhouse'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 William Waterhouse was last updated on September 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. William J. Waterhouse, MD · NPI 1275536138
Ophthalmology physician in Grand Jct, Colorado. Individual provider, active in the CMS NPPES registry since May 24, 2005.
## Identity
- **NPI:** 1275536138 (Entity type: Individual)
- **Enumerated:** May 24, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 33513 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2478 PATTERSON RD, # 7, Grand Jct, CO 81505-3605
- **Phone:** (970) 255-7065 · **Fax:** (970) 255-7076
## 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:** The Retina Center Of Western Colorado Rllp (NPI 1477892172, Grand Junction, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Uniformed Services Uhs Fe Hebert School Of Med, class of 1984
## Record status
- **NPPES last updated:** September 18, 2013
- **Other identifiers:** Other WA93841 (CO); Other 841413590 (CO); Medicare UPIN G11465; and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1275536138) · Data from the CMS NPPES public registry.