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ROBERT WILLIAM UNGER NP
NPI 1760074355
Nurse Practitioner in Simi Valley, CA

Active since February 05, 2021PECOS Enrolled
2975 SYCAMORE DR, SIMI VALLEY, CA 93065(805) 955-6100 Get Directions Write a Review

NPPES record last updated: February 5, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Robert William Unger Np NPPES

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

ROBERT WILLIAM UNGER NP (NPI 1760074355) is an individual nurse practitioner in Simi Valley, California, licensed in California (95016600) and active in the NPI registry since February 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760074355
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameROBERT WILLIAM UNGERCredential: NP
Location Address2975 SYCAMORE DRSimi Valley, CA 93065-1201
Mailing Address731 Coppertree CtSimi Valley, CA 93065-5070 · (805) 231-4412
Phone(805) 955-6100
Sole ProprietorNo
Enumeration DateFebruary 5, 2021
NPPES CertifiedFebruary 5, 2021
✔ NPI 1760074355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95016600
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2975 SYCAMORE DR, Simi Valley, CA 93065
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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 (PECOS)

Robert William Unger 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

2

Medicare enrollment records show Robert Unger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Galen Inpatient Physicians PC.
Same address
Hospitalist
2975 SYCAMORE DR
Simi Valley, CA 93065
  • Reassigned Medicare billing, California enrollment
  • 962 clinicians in this Medicare group
NPI 1851130819 (805) 955-6000
Menalam Health Services PC
Same address
Hospitalist
2975 NORTH SYCAMORE DR.
Simi Valley, CA 93065
  • Reassigned Medicare billing, California enrollment
  • 109 clinicians in this Medicare group
NPI 1114594967 (805) 955-6000

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

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93065 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
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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 20

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

DANIEL KIM M.D.
Radiology (Diagnostic Radiology)
2975 SYCAMORE DR
SIMI VALLEY, CA 93065
Ventura County (805) 527-2462
SYNERGY OBSERVATION SPECIALISTS PC
Emergency Medicine
2975 SYCAMORE DR
SIMI VALLEY, CA 93065
Ventura County (805) 955-6000
LINDSEY FERRALLI RRT
Respiratory Therapist, Registered
2975 SYCAMORE DR
SIMI VALLEY, CA 93065
Ventura County (805) 955-6430
JOYCE NORMAN M.D.
Emergency Medicine
2975 SYCAMORE DR, EMERGENCY DEPARTMENT
SIMI VALLEY, CA 93065
Ventura County (805) 955-6000
ALLIED EMERGENCY PHYSICIANS, INC.
Emergency Medicine (Emergency Medical Services)
2975 SYCAMORE DR
SIMI VALLEY, CA 93065
Ventura County (805) 955-6107
DR. TUAN THANH DANG PHARMD.
Pharmacist
2975 SYCAMORE DR
SIMI VALLEY, CA 93065
Ventura County (805) 955-6340
SIMI VALLEY HOSPITAL AND HEALTH CARE SERVICES
General Acute Care Hospital
2975 SYCAMORE DR
SIMI VALLEY, CA 93065
Ventura County (805) 955-6000
CHO MAY M.D
Internal Medicine
2975 SYCAMORE DR
SIMI VALLEY, CA 93065
Ventura County (626) 944-5144

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 Robert Unger's NPI number?

The NPI number for Robert Unger is 1760074355. It was assigned to this individual provider in the NPPES registry on February 5, 2021.

Where is Robert Unger located?

Robert Unger practices at 2975 Sycamore Dr, Simi Valley, CA 93065. The listed phone number is (805) 955-6100.

What is Robert Unger's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Robert Unger enrolled in Medicare?

Yes. Robert Unger is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Unger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Unger reassigns Medicare benefits to 2 organizations: Galen Inpatient Physicians PC. (Simi Valley, CA) and Menalam Health Services PC (Simi Valley, CA). 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 Robert Unger'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 Robert Unger was last updated on February 5, 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.