MR. BENJAMIN GERENDASH AGACNP-BC
NPI 1871904151
Nurse Practitioner - Gerontology in Duarte, CA
About Mr. Benjamin Gerendash Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. BENJAMIN GERENDASH AGACNP-BC (NPI 1871904151) is an individual gerontology provider in Duarte, California, licensed in California (95001740) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
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
Mr. Benjamin Gerendash Agacnp-bc 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.
Medicare Billing Reassignment
Medicare enrollment records show Benjamin Gerendash reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
DUARTE, CA 91010
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 Benjamin Gerendash's NPI number?
The NPI number for Benjamin Gerendash is 1871904151. It was assigned to this individual provider in the NPPES registry on May 8, 2014.
Where is Benjamin Gerendash located?
Benjamin Gerendash practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 256-4673.
What is Benjamin Gerendash's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Benjamin Gerendash enrolled in Medicare?
Yes. Benjamin Gerendash 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 Benjamin Gerendash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Gerendash reassigns Medicare benefits to City Of Hope Medical Foundation (Duarte, 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 Benjamin Gerendash'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 Benjamin Gerendash was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.
# Mr. Benjamin Gerendash, AGACNP-BC · NPI 1871904151
Gerontology physician in Duarte, California. Individual provider, active in the CMS NPPES registry since May 8, 2014.
## Identity
- **NPI:** 1871904151 (Entity type: Individual)
- **Enumerated:** May 8, 2014
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 95001740 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1500 DUARTE RD, Duarte, CA 91010-3012
- **Phone:** (626) 256-4673
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** October 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1871904151) · Data from the CMS NPPES public registry.