Benjamin S. Gerendash, NP
- Medicare patients, 2024
- 338
- Part D claims, 2024
- 1,385
- MIPS score, 2024
- 93
- Industry payments
- $23
- Affiliated sites
- 1
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (800) 826-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Benjamin Gerendash'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.
Benjamin S. Gerendash is a critical care medicine registered nurse in Duarte, California
Benjamin Gerendash practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Benjamin Gerendash's NPI, 1871904151, was assigned on May 8, 2014. Benjamin Gerendash holds California license 774743.
- NPI
- 1871904151NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608177241
- NPI enumeration date
- May 8, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (800) 826-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Benjamin S. Gerendash practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Benjamin Gerendash's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Benjamin S. Gerendash is affiliated with 2 sites of care and 1 medical group
Benjamin Gerendash's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Benjamin Gerendash to 1 more other site, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Benjamin S. Gerendash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Gerendash practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Benjamin S. Gerendash is one of 31 critical care medicine registered nurses in California
Registered nurse is Benjamin Gerendash's primary specialty in the NPI Registry, under taxonomy code 163WC0200X. The record also lists critical care medicine. Benjamin Gerendash is licensed in California.
Specialties and state licenses
- Critical care medicine registered nurse, CaliforniaPrimary
Critical care medicine registered nurses near Benjamin Gerendash
Counts of critical care medicine registered nurses 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
Benjamin S. Gerendash treated 338 Medicare patients in 2024, average age 75
CMS counts 338 Medicare patients who saw Benjamin Gerendash in 2024. The largest group is 65 to 74, with 155 patients. 75% of them have cancer, and 75% have high blood pressure. 23% are also on Medicaid. Their average risk score is 2.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Benjamin Gerendash's median patient age at 73, with 11% women.
Benjamin Gerendash's Medicare patients by age, 2024
Benjamin Gerendash's Medicare patients by sex, 2024
- Women4313%
- Men29587%
Chronic conditions among Benjamin Gerendash's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol74%
- Arthritis43%
- Chronic kidney disease38%
- Diabetes37%
- Ischemic heart disease33%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Benjamin Gerendash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women11%
- Men88%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Benjamin S. Gerendash wrote 1,385 Medicare Part D claims in 2024
In 2024, Benjamin Gerendash wrote 1,385 Medicare Part D claims for 251 patients. 68% of them were for generic drugs.
Benjamin Gerendash's Part D claims by kind of drug, 2024
- Generic939 claims68%
- Brand-name and other446 claims32%
Drug classes CMS tracks in Benjamin Gerendash's Part D claims, 2024
- Opioids5%67 of 1,385 claims
- Antibiotics2%27 of 1,385 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Benjamin S. Gerendash scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Benjamin Gerendash for performance year 2024, reported as part of a group. Benjamin Gerendash accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Benjamin Gerendash as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Benjamin Gerendash's MIPS scores, performance year 2024
- 93of 100Final score
- 78.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Benjamin S. Gerendash received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Benjamin Gerendash from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exelixis Inc. paid the most, $23.
Companies that paid Benjamin Gerendash the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Benjamin S. Gerendash'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Benjamin S. Gerendash
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Benjamin S. Gerendash's NPI number?
Benjamin S. Gerendash's NPI number is 1871904151. It was assigned on May 8, 2014, and it is active in the NPI Registry.
What does Benjamin S. Gerendash specialize in?
Benjamin S. Gerendash is a critical care medicine registered nurse in Duarte, California. The primary specialty in the NPI Registry is Critical Care Medicine Registered Nurse (taxonomy code 163WC0200X).
Where does Benjamin S. Gerendash practice?
Benjamin Gerendash practices at 1500 Duarte Rd, Duarte, CA 91010. Benjamin Gerendash's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Benjamin Gerendash to 1 other site.
What is Benjamin S. Gerendash's office phone number?
The practice phone on file for Benjamin Gerendash is (800) 826-4673.
What is Benjamin S. Gerendash's medical license number?
Benjamin Gerendash holds California license 774743.
What medical group is Benjamin S. Gerendash part of?
Benjamin Gerendash is linked to City of Hope.
Does Benjamin S. Gerendash accept Medicare?
Yes. CMS lists Benjamin Gerendash as accepting Medicare assignment.
Does Benjamin S. Gerendash offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Benjamin Gerendash as offering telehealth services.
What is Benjamin S. Gerendash's MIPS score?
Benjamin Gerendash's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Benjamin S. Gerendash see?
CMS counts 338 Medicare patients who saw Benjamin Gerendash in 2024, with an average age of 75.
Has Benjamin S. Gerendash received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Benjamin Gerendash from 1 company from 2025 to 2025. The largest total came from Exelixis Inc.
How long has Benjamin S. Gerendash been practicing?
Benjamin Gerendash graduated from medical school in 2014, 12 years ago.
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