DR. COLLEEN ANN LANDRY M.D.
NPI 1609080779
Internal Medicine in Walnut Creek, CA
About Dr. Colleen Ann Landry M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. COLLEEN ANN LANDRY M.D. (NPI 1609080779) is an individual internal medicine provider in Walnut Creek, California, licensed in California (132912) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Nevada School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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. Colleen Ann Landry 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 Reassignments
3Medicare enrollment records show Colleen Landry reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94598 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
Referred Medical Equipment & Supplies CMS DME claims 5
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
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 Colleen Landry's NPI number?
The NPI number for Colleen Landry is 1609080779. It was assigned to this individual provider in the NPPES registry on May 9, 2007. The provider is also known as Dr. Colleen Ann Smith MD.
Where is Colleen Landry located?
Colleen Landry practices at 320 Lennon Ln, Walnut Creek, CA 94598. The listed phone number is (925) 906-2000.
What is Colleen Landry's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Colleen Landry enrolled in Medicare?
Yes. Colleen Landry 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 organizations bill Medicare for Colleen Landry's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Landry reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (Richmond, CA), Northbay Healthcare Group (Fairfield, CA) and Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA). Each 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 Colleen Landry'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 Colleen Landry was last updated on September 19, 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.
# Dr. Colleen Ann Landry, M.D. · NPI 1609080779
Internal Medicine physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since May 9, 2007.
## Identity
- **NPI:** 1609080779 (Entity type: Individual)
- **Enumerated:** May 9, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 132912 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 320 LENNON LN, Walnut Creek, CA 94598-2419
- **Phone:** (925) 906-2000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1235226531, Richmond, CA); Northbay Healthcare Group (NPI 1821147786, Fairfield, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nevada School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** September 19, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1609080779) · Data from the CMS NPPES public registry.