Irving Rosenstein, PA-C
- Part D claims, 2024
- 38
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 27017 Tourney Rd, Valencia, CA 91355
- Practice phone
- Call (800) 421-7110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics Nichols Inst Valencia
Valencia, California
Find Irving Rosenstein's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Irving Rosenstein is a physician assistant in Valencia, California
Irving Rosenstein practices at Quest Diagnostics Nichols Inst Valencia in Valencia, California.
Irving Rosenstein's NPI, 1649756974, was assigned on July 19, 2018. Irving Rosenstein holds California license 56410.
- NPI
- 1649756974NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880946128
- NPI enumeration date
- July 19, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 421-7110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Irving Rosenstein practices at Quest Diagnostics Nichols Inst Valencia in Valencia, California
Irving Rosenstein's primary practice is Quest Diagnostics Nichols Inst Valencia, at 27017 Tourney Rd, Valencia, CA 91355 in Los Angeles County. The practice phone is (800) 421-7110.
- Quest Diagnostics Nichols Inst Valencia27017 Tourney Rd, Valencia, CA 91355 · Los Angeles CountyPhone(800) 421-7110
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Irving Rosenstein is affiliated with 1 site of care and 1 medical group
Irving Rosenstein's primary practice is Quest Diagnostics Nichols Inst Valencia in Valencia, California. The medical group on file is Ventura County Medical Center.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Irving Rosenstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Irving Rosenstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics Nichols Inst Valencia | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Irving Rosenstein is one of 11,482 physician assistants in California
Physician assistant is Irving Rosenstein's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Irving Rosenstein is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Irving Rosenstein
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Irving Rosenstein's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Irving Rosenstein's median patient age at 38, with 33% women.
Irving Rosenstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Irving Rosenstein wrote 38 Medicare Part D claims in 2024
In 2024, Irving Rosenstein wrote 38 Medicare Part D claims. 45% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $32,874 in total drug cost.
Irving Rosenstein's Part D claims by kind of drug, 2024
- Generic17 claims45%
- Brand-name21 claims55%
Irving Rosenstein's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Irving Rosenstein takes part in Medicare
Irving Rosenstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Irving Rosenstein's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Irving Rosenstein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Irving Rosenstein's NPI number?
Irving Rosenstein's NPI number is 1649756974. It was assigned on July 19, 2018, and it is active in the NPI Registry.
What does Irving Rosenstein specialize in?
Irving Rosenstein is a physician assistant in Valencia, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Irving Rosenstein practice?
Irving Rosenstein practices at 27017 Tourney Rd, Valencia, CA 91355. Irving Rosenstein's primary practice is Quest Diagnostics Nichols Inst Valencia in Valencia, California.
What is Irving Rosenstein's office phone number?
The practice phone on file for Irving Rosenstein is (800) 421-7110.
What is Irving Rosenstein's medical license number?
Irving Rosenstein holds California license 56410.
What medical group is Irving Rosenstein part of?
Irving Rosenstein is linked to Ventura County Medical Center.
Does Irving Rosenstein accept Medicare?
Yes. CMS lists Irving Rosenstein as accepting Medicare assignment.
What drugs does Irving Rosenstein prescribe most?
In 2024 Medicare Part D data, Irving Rosenstein's most prescribed drugs by claims were Vivitrol.
How long has Irving Rosenstein been practicing?
Irving Rosenstein's NPI was assigned in 2018.
Selling to physician assistant practices?
See physician assistants in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card