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MR. JOSEPH C. SMIHULA NP
NPI 1154421873
Nurse Practitioner - Adult Health in Santa Rosa, CA

Active since September 23, 2006PECOS Enrolled
3555 ROUND BARN CIR, SANTA ROSA, CA 95403(707) 528-1050(707) 525-3874 Get Directions Write a Review

NPPES record last updated: April 28, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 28, 2021, Jan 21, 2019, Oct 26, 2018 (3 updates tracked since 2018).

About Mr. Joseph C. Smihula Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JOSEPH C. SMIHULA NP (NPI 1154421873) is an individual adult health provider in Santa Rosa, California, licensed in California (16859) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1154421873
Entity TypeIndividualMale
Primary Taxonomy363LA2200X
Provider Legal NameMR. JOSEPH C. SMIHULACredential: NP
Location Address3555 ROUND BARN CIRSanta Rosa, CA 95403-1757
Mailing Address407 W Country Club RdRoswell, NM 88201-5209 · (575) 627-9110 · Fax (575) 623-2191
Phone(707) 528-1050
Fax(707) 525-3874
Sole ProprietorYes
Enumeration DateSeptember 23, 2006
Last NPPES UpdateApril 28, 20213 updates tracked since enumeration
NPPES CertifiedApril 28, 2021
✔ NPI 1154421873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
Licenses✔ Licensed in CA · 16859✔ Licensed in CA · NP699679
3555 ROUND BARN CIR, Santa Rosa, CA 95403
Open in Google Maps ↗

Secondary Practice Locations 2

Location 15345 W Hillsdale AveVisalia, CA 93291-5143 · Phone (559) 622-0100 · Fax (559) 622-0700
Location 2550 S Landmark AveBloomington, IN 47403-3239 · Phone (812) 331-3405 · Fax (812) 355-6538

Other Identifiers 2

Other699678CA · Rn License
Other699679CA · Np License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Joseph C. Smihula Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Joseph Smihula reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California
50 mi
Endocrinology, Diabetes & Metabolism
1600 DIVISADERO ST
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
NPI 1235322348 (415) 353-9720
Ucsf Medical Group Business Services
52 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
University Of California San Francisco
52 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1164512851 (415) 476-1000
Physicians And Surgeons Home Care Inc
390 mi
Surgery
955 CARRILLO DR STE 400
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 17 clinicians in this Medicare group
NPI 1184105231 (818) 213-6325
Uc Regents
422 mi
Allergy & Immunology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 525 clinicians in this Medicare group
NPI 1003864174 (714) 456-8068
St Peters Hospital
781 mi
Family Medicine
820 N MONTANA AVENUE, FAMILY HEALTH CLINIC
Helena, MT 59601
  • Reassigned Medicare billing, Montana enrollment
  • Medicare enrollment name: St Peters Health
  • 304 clinicians in this Medicare group
NPI 1154435055 (406) 447-2841

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 95403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.16 typical visit price
range $63.04 – $187.01
Typical copayment $24.04 (range $15.76 – $46.75)
Most-billed visit code 99203
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JARROD PAUL HOLMES MD
Internal Medicine (Hematology & Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Sonoma County (707) 528-1050
ST JUDE HOSPITAL YORBA LINDA
Internal Medicine (Medical Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Sonoma County (707) 528-1050
YAO YAO GUAN POLLOCK MD
Internal Medicine (Hematology & Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Sonoma County (707) 528-1050
LEENA AGRAWAL PHARMD
Pharmacist (Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Sonoma County (707) 521-3891
REDWOOD REGIONAL MEDICAL GROUP INC
Internal Medicine (Hematology & Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Sonoma County (707) 525-6124
WES SHEN-LIN LEE M.D.
Internal Medicine (Medical Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Sonoma County (707) 528-1050
ST JUDE HOSPITAL YORBA LINDA
Internal Medicine (Medical Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Sonoma County (707) 528-1050
PARNIAN ESLAMI
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Sonoma County (707) 525-4066

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 Joseph Smihula's NPI number?

The NPI number for Joseph Smihula is 1154421873. It was assigned to this individual provider in the NPPES registry on September 23, 2006.

Where is Joseph Smihula located?

Joseph Smihula practices at 3555 Round Barn Cir, Santa Rosa, CA 95403. The listed phone number is (707) 528-1050.

What is Joseph Smihula's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Joseph Smihula enrolled in Medicare?

Yes. Joseph Smihula is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joseph Smihula's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Smihula reassigns Medicare benefits to 6 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Physicians And Surgeons Home Care Inc (Los Angeles, CA), Uc Regents (Orange, CA) and 1 more organization, listed in the Medicare section above. 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 Joseph Smihula's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Smihula accept?

Health plans from Providence Health Plan list Joseph Smihula 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.

When was this NPI record last updated?

The NPPES record for Joseph Smihula was last updated on April 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.