MR. IRVING ROSENSTEIN PA-C
NPI 1649756974
Physician Assistant in Ventura, CA

Q: What is Irving Rosenstein's NPI number?

The NPI number for Irving Rosenstein is 1649756974. It was assigned to this individual provider in the NPPES registry on July 19, 2018.

Q: What is Irving Rosenstein's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Irving Rosenstein was last updated on March 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.

Active since July 19, 2018PECOS Enrolled

3147 LOMA VISTA RD, VENTURA, CA 93003(805) 652-6694 Get Directions Write a Review

NPPES record last updated: March 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 13, 2025, May 14, 2024, Jun 1, 2021 and 2 more (5 updates tracked since 2018).

On this page

About Mr. Irving Rosenstein Pa-c NPPES

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

MR. IRVING ROSENSTEIN PA-C (NPI 1649756974) is an individual physician assistant in Ventura, California, licensed in California (56410) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS and maintains 13 additional practice locations.

NPPES Registry Identity

NPI1649756974

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameMR. IRVING ROSENSTEINCredential: PA-C

Location Address3147 LOMA VISTA RDVentura, CA 93003-2917

Mailing AddressPo Box 6003Thousand Oaks, CA 91359-6003 · (707) 258-8757

Phone(805) 652-6694

Sole ProprietorNo

Enumeration DateJuly 19, 2018

Last NPPES UpdateMarch 13, 20255 updates tracked since enumeration

NPPES CertifiedMarch 13, 2025

✔ NPI 1649756974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CA · 56410

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

3147 LOMA VISTA RD, Ventura, CA 93003

Open in Google Maps ↗

Secondary Practice Locations 13

Location 1828 W Ventura St Ste 100Fillmore, CA 93015-1877 · Phone (805) 524-2000

Location 21227 E Los Angeles AveSimi Valley, CA 93065-2871 · Phone (805) 582-4000

Location 3133 W Santa Clara StVentura, CA 93001-2543 · Phone (805) 641-5600

Location 41334 E Main StSanta Paula, CA 93060-2926 · Phone (805) 933-1122

Location 52000 Outlet Center Dr Ste 110Oxnard, CA 93036-0608 · Phone (805) 604-4588

Location 62400 S C StOxnard, CA 93033-4555 · Phone (805) 240-7000

Location 7254 W Harvard Blvd Ste BSanta Paula, CA 93060-3920 · Phone (805) 229-0200

Location 8300 Hillmont Ave Bldg 340 Ste 302Ventura, CA 93003-1651 · Phone (805) 652-6255

Location 93100 N Rose AveOxnard, CA 93036-1807 · Phone (805) 983-6644

Location 10325 W Channel Islands BlvdOxnard, CA 93033-4501 · Phone (805) 204-2128

Location 11612 Spring Rd Bldg AMoorpark, CA 93021-1298 · Phone (805) 523-5400

Location 12845 N 10th St Ste 3Santa Paula, CA 93060-1348 · Phone (805) 525-0215

Location 131911 Williams Dr Ste COxnard, CA 93036-2612 · Phone (805) 981-9200

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Irving Rosenstein Pa-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93003 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

$77.11 typical visit price

range $20.68 – $151.85

Typical copayment $19.27 (range $5.17 – $37.96)

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 7

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

DR. JOSE RODRIGO VELASQUEZ MD

Family Medicine (Addiction Medicine)