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DR. JANJA VILTUZNIK M.D.
NPI 1639182702
Family Medicine - Adult Medicine in Orange, CA

Active since August 13, 2006PECOS EnrolledAccepts Medicare Assignment
2617 E CHAPMAN AVE, STE 205, ORANGE, CA 92869(714) 538-6822(714) 280-4826 Get Directions Write a Review

NPPES record last updated: October 25, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Janja Viltuznik M.d. NPPES

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

DR. JANJA VILTUZNIK M.D. (NPI 1639182702) is an individual adult medicine provider in Orange, California, licensed in California (A42658) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1981).

NPPES Registry Identity

NPI1639182702
Entity TypeIndividualFemale
Primary Taxonomy207QA0505X
Provider Legal NameDR. JANJA VILTUZNIKCredential: M.D.
Location Address2617 E CHAPMAN AVE, STE 205Orange, CA 92869-3226
Mailing Address2617 E Chapman Ave Ste 205Orange, CA 92869-3248 · (714) 538-6822 · Fax (714) 280-4826
Phone(714) 538-6822
Fax(714) 280-4826
Sole ProprietorNo
Medical School CMSOtherGraduated 1981
Enumeration DateAugust 13, 2006
Last NPPES UpdateOctober 25, 2022
NPPES CertifiedOctober 25, 2022
✔ NPI 1639182702 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Adult MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0505X
License✔ Licensed in CA · A42658
Definition
The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.
2617 E CHAPMAN AVE, Orange, CA 92869
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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. Janja Viltuznik 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.

PECOS PAC ID4981896719
PECOS Enrollment IDI20101012000108
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 Janja Viltuznik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Astra Medical Group
Same address
Health Maintenance Organization
2617 E CHAPMAN AVE STE 205
Orange, CA 92869
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1336368422 (714) 538-6822

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 4

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
110 services64 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
62 services62 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services15 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92869 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers11 claims11 services$33.20 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
3 suppliers17 claims52 services$10.82 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers11 claims11 services$42.10 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers27 claims91 services$1.68 avg. paid by Medicare
Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471
DME-Other DME · category DE001N
1 supplier13 claims13 services$161.23 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers19 claims19 services$18.74 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

JEFFREY M. DEMBNER, MD, INC.
Neurological Surgery
2617 E CHAPMAN AVE, SUITE 201
ORANGE, CA 92869
Orange County (714) 639-3780
NEWPORT CARE MEDICAL GROUP INC
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
2617 E CHAPMAN AVE, SUITE 201
ORANGE, CA 92869
Orange County (949) 732-0303
DANIEL D DOBALIAN MD A MEDICAL CORPORATION
Obstetrics & Gynecology
2617 E CHAPMAN AVE, SUITE #312
ORANGE, CA 92869
Orange County (714) 633-4260
DOHENY EYE MEDICAL GROUP
Clinic/Center
2617 E CHAPMAN AVE, SUITE 301
ORANGE, CA 92869
Orange County (323) 442-7152
DR. GRANT WILLIAM ROBICHEAUX M.D.
Orthopaedic Surgery
2617 E CHAPMAN AVE, SUITE 201
ORANGE, CA 92869
Orange County (714) 639-3780
COASTAL CENTER FOR OBESITY, INC
Surgery
2617 E CHAPMAN AVE, 307
ORANGE, CA 92869
Orange County (714) 997-4448
DR. SEMIRA DARIUSHNIA M.D.
Family Medicine
2617 E CHAPMAN AVE
ORANGE, CA 92869
Orange County (714) 288-0052
GOWRIHARAN THAIYANANTHAN MD INC
Neurological Surgery
2617 E CHAPMAN AVE, SUITE 110
ORANGE, CA 92869
Orange County (714) 633-0011

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 Janja Viltuznik's NPI number?

The NPI number for Janja Viltuznik is 1639182702. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Janja Viltuznik located?

Janja Viltuznik practices at 2617 E Chapman Ave Ste 205, Orange, CA 92869. The listed phone number is (714) 538-6822.

What is Janja Viltuznik's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Is Janja Viltuznik enrolled in Medicare?

Yes. Janja Viltuznik 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 Janja Viltuznik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Janja Viltuznik reassigns Medicare benefits to Astra Medical Group (Orange, 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 Janja Viltuznik'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 Janja Viltuznik was last updated on October 25, 2022. 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.