DR. JOHN A DANA JR. M.D.
NPI 1114091105
Physical Medicine & Rehabilitation in Walnut Creek, CA
About Dr. John A Dana Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN A DANA JR. M.D. (NPI 1114091105) is an individual physical medicine & rehabilitation provider in Walnut Creek, California, licensed in California (G76791) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Sandy, and is a graduate of University Of California, San Diego School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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. John A Dana Jr. 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 Reassignment
Medicare enrollment records show John Dana reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 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 5
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.
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.
Referred Medical Equipment & Supplies CMS DME claims 4
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.
WALNUT CREEK, CA 94597
WALNUT CREEK, CA 94597
WALNUT CREEK, CA 94597
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 Dana's NPI number?
The NPI number for John Dana is 1114091105. It was assigned to this individual provider in the NPPES registry on November 20, 2006.
Where is John Dana located?
John Dana practices at 1450 Treat Blvd # 200, Walnut Creek, CA 94597. The listed phone number is (925) 296-9750.
What is John Dana's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is John Dana enrolled in Medicare?
Yes. John Dana 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 Dana's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Dana reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, CA). 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 Dana'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 John Dana was last updated on March 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. John A Dana Jr., M.D. · NPI 1114091105
Physical Medicine & Rehabilitation physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since November 20, 2006.
## Identity
- **NPI:** 1114091105 (Entity type: Individual)
- **Enumerated:** November 20, 2006
- **Primary specialty:** Physical Medicine & Rehabilitation · taxonomy 208100000X
- **State license:** G76791 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1450 TREAT BLVD # 200, Walnut Creek, CA 94597-2168
- **Phone:** (925) 296-9750 · **Fax:** (925) 296-9042
## 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:** John Muir Physician Network (NPI 1841407665, Walnut Creek, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 1991
## Record status
- **NPPES last updated:** March 18, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1114091105) · Data from the CMS NPPES public registry.