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MARK J POPOVICH M.D.
NPI 1245320704
Radiology - Diagnostic Radiology in Santa Rosa, CA

Active since October 13, 2006PECOS Enrolled
3883 AIRWAY DR STE 100, SANTA ROSA, CA 95403(707) 521-4480(707) 521-4460 Get Directions Write a Review

NPPES record last updated: August 26, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark J Popovich M.d. NPPES

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

MARK J POPOVICH M.D. (NPI 1245320704) is an individual diagnostic radiology provider in Santa Rosa, California, licensed in California (G57995) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Santa Rosa.

NPPES Registry Identity

NPI1245320704
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameMARK J POPOVICHCredential: M.D.
Location Address3883 AIRWAY DR STE 100Santa Rosa, CA 95403-1672
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (707) 521-4480 · Fax (707) 521-4460
Phone(707) 521-4480
Fax(707) 521-4460
Sole ProprietorNo
Enumeration DateOctober 13, 2006
Last NPPES UpdateAugust 26, 2019
✔ NPI 1245320704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G57995
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · Body ImagingTaxonomy 2085B0100X · License G57995 (CA)
Also ListedRadiology · Nuclear RadiologyTaxonomy 2085N0904X · License G57995 (CA)
Also ListedRadiology · Diagnostic UltrasoundTaxonomy 2085U0001X · License G57995 (CA)
3883 AIRWAY DR STE 100, Santa Rosa, CA 95403
Open in Google Maps ↗

Secondary Practice Location 1

Location 12455 Summerfield RdSanta Rosa, CA 95405-7815 · Phone (707) 523-2666 · Fax (707) 523-3399

Other Identifiers 3

Other473423CA · American Board Of Radiology
Medicaid00G579950CA
OtherG57995CA · State Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark J Popovich M.d. 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 Reassignment

Medicare enrollment records show Mark Popovich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
52 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

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
$77.94 typical visit price
range $21.02 – $153.40
Typical copayment $19.48 (range $5.25 – $38.35)
Most-billed visit code 99213
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 4

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

STEVEN J ROCKOFF M.D.
Radiology (Diagnostic Radiology)
3883 AIRWAY DR STE 100
SANTA ROSA, CA 95403
Sonoma County (707) 521-4480
LINDA CASEY MD
Radiology (Diagnostic Radiology)
3883 AIRWAY DR STE 100
SANTA ROSA, CA 95403
Sonoma County (707) 521-4480
DR. NICHOLAS KUJALA M.D.
Radiology (Diagnostic Radiology)
3883 AIRWAY DR STE 100
SANTA ROSA, CA 95403
Sonoma County (707) 521-4480
DR. ANTHONY MICHAEL SAJEWICZ M.D.
Radiology (Diagnostic Radiology)
3883 AIRWAY DR STE 100
SANTA ROSA, CA 95403
Sonoma County (707) 521-4480

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 Mark Popovich's NPI number?

The NPI number for Mark Popovich is 1245320704. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Mark Popovich located?

Mark Popovich practices at 3883 Airway Dr Ste 100, Santa Rosa, CA 95403. The listed phone number is (707) 521-4480.

What is Mark Popovich's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Mark Popovich enrolled in Medicare?

Yes. Mark Popovich is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Popovich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Popovich reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, 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 Mark Popovich'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 Mark Popovich was last updated on August 26, 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.