NAPA VALLEY ORTHOPAEDIC MEDICAL GROUP, INC
NPI 1710934575
Orthopaedic Surgery in Napa, CA
About Napa Valley Orthopaedic Medical Group, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAPA VALLEY ORTHOPAEDIC MEDICAL GROUP, INC (NPI 1710934575) is a healthcare organization registered as an orthopaedic surgery in Napa, California and active in the NPI registry since May 2006. The organization holds a CLIA Waiver certificate valid through March 2, 2028 and lists John N Diana, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Napa Valley Orthopaedic Medical Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
9Medicare enrollment records show 9 clinicians reassign Medicare billing to Napa Valley Orthopaedic Medical Group, Inc, which bills Medicare for the services they deliver. Of these, 6 practice at this address. They are listed nearest first.
Clinicians, nearest first (9)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 05D2145210
Napa Valley Orthopaedic Medical Group, Inc. · Napa, CAFrequently 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 Napa Valley Orthopaedic Medical Group, Inc's NPI number?
The NPI number for Napa Valley Orthopaedic Medical Group, Inc is 1710934575. It was assigned to this organization in the NPPES registry on May 27, 2006.
Where is Napa Valley Orthopaedic Medical Group, Inc located?
Napa Valley Orthopaedic Medical Group, Inc is located at 3273 Claremont Way Suite 100, Napa, CA 94558. The listed phone number is (707) 254-7117.
What is Napa Valley Orthopaedic Medical Group, Inc's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Napa Valley Orthopaedic Medical Group, Inc enrolled in Medicare?
Yes. Napa Valley Orthopaedic Medical Group, Inc is registered in the Medicare PECOS enrollment system.
When is Napa Valley Orthopaedic Medical Group, Inc's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (California, Physician - Orthopedic/Orthopedic Surgery) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Napa Valley Orthopaedic Medical Group, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 4 Medicare specialties reassign their Medicare billing to Napa Valley Orthopaedic Medical Group, Inc. A 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 the clinician's services. The largest specialties are Orthopedic Surgery (6), Hand Surgery (1) and Nurse Practitioner (1). Of these, 6 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Napa Valley Orthopaedic Medical Group, Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D2145210) is associated with this NPI, valid through March 2, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Napa Valley Orthopaedic Medical Group, Inc was last updated on July 7, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Napa Valley Orthopaedic Medical Group, Inc · NPI 1710934575
Orthopaedic Surgery organization in Napa, California. Organization record, active in the CMS NPPES registry since May 27, 2006.
## Identity
- **NPI:** 1710934575 (Entity type: Organization)
- **Enumerated:** May 27, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **Organization subpart:** No
- **Authorized official:** John Diana, PRESIDENT
## Practice location
- **Address:** 3273 CLAREMONT WAY, SUITE 100, Napa, CA 94558-3306
- **Phone:** (707) 254-7117 · **Fax:** (707) 265-6435
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (DME, California, Physician - Orthopedic/Orthopedic Surgery) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 9 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Orthopedic Surgery (6), Hand Surgery (1), Nurse Practitioner (1); 6 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 7, 2014
- **Other identifiers:** Medicaid GR0102820 (CA); Medicare ID-Type Unspecified ZZZ31151Z (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1710934575) · Data from the CMS NPPES public registry.