STEVEN ALEXANDER MILLS M.D.
NPI 1972923266
Urology in Santa Barbara, CA
About Steven Alexander Mills M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN ALEXANDER MILLS M.D. (NPI 1972923266) is an individual urology provider in Santa Barbara, California, licensed in California (A141288) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Multicare Good Samaritan Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Steven Alexander Mills 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
2Medicare enrollment records show Steven Mills reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ventura, CA 93001
- Reassigned Medicare billing, California enrollment
- 710 clinicians in this Medicare group
Olympia, WA 98512
- Reassigned Medicare billing, Washington enrollment
- 4,383 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 3
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Multicare Good Samaritan Hospital
Acute Care Hospitals · Puyallup, WATacoma General Allenmore Hospital
Acute Care Hospitals · Tacoma, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA BARBARA, CA 93111
SANTA BARBARA, CA 93111
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 Steven Mills's NPI number?
The NPI number for Steven Mills is 1972923266. It was assigned to this individual provider in the NPPES registry on April 24, 2014.
Where is Steven Mills located?
Steven Mills practices at 334 S Patterson Ave Ste 201, Santa Barbara, CA 93111. The listed phone number is (805) 392-8700.
What is Steven Mills's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Steven Mills enrolled in Medicare?
Yes. Steven Mills 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 Steven Mills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Mills reassigns Medicare benefits to 2 organizations: County Of Ventura (Ventura, CA) and Multicare Health System (Olympia, WA). 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 Steven Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Mills accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Steven Mills 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.
Is Steven Mills affiliated with any hospitals?
According to CMS data, Steven Mills is affiliated with Multicare Good Samaritan Hospital and Tacoma General Allenmore Hospital.
When was this NPI record last updated?
The NPPES record for Steven Mills was last updated on January 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Steven Alexander Mills, M.D. · NPI 1972923266
Urology physician in Santa Barbara, California. Individual provider, active in the CMS NPPES registry since April 24, 2014.
## Identity
- **NPI:** 1972923266 (Entity type: Individual)
- **Enumerated:** April 24, 2014
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** A141288 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 334 S PATTERSON AVE STE 201, Santa Barbara, CA 93111-2400
- **Phone:** (805) 392-8700 · **Fax:** (833) 794-1489
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Ventura (NPI 1780821660, Ventura, CA); Multicare Health System (NPI 1831609775, Olympia, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** January 5, 2023
- **Other identifiers:** Medicaid 1972923266 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1972923266) · Data from the CMS NPPES public registry.