Joseph Anthony Guarrella, PA
- Medicare patients, 2024
- 124
- Part D claims, 2024
- 129
- Hospital affiliations
- 1
- Industry payments
- $34
- Medical group
- 1
- Practice address
- 4802 Tenth Avenue, Brooklyn, NY 11219
- Practice phone
- Call (718) 283-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Joseph Guarrella'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.
Joseph Anthony Guarrella is a physician assistant in Brooklyn, New York
Joseph Guarrella practices at Maimonides Medical Center in Brooklyn, New York, part of Maimonides Medical Center.
Joseph Guarrella's NPI, 1093284135, was assigned on November 19, 2018. Joseph Guarrella graduated from State University of New York Downstate Medical Center in 2018.
- NPI
- 1093284135NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951639012
- NPI enumeration date
- November 19, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 283-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joseph Anthony Guarrella practices at Maimonides Medical Center in Brooklyn, New York
Joseph Guarrella's primary practice is Maimonides Medical Center, at 4802 Tenth Avenue, Brooklyn, NY 11219 in Kings County. The practice phone is (718) 283-6000.
- Maimonides Medical Center4802 Tenth Avenue, Brooklyn, NY 11219 · Kings CountyPhone(718) 283-6000
Source: Dmand AI Affiliation Data
Joseph Anthony Guarrella is affiliated with 1 site of care and 1 medical group
Joseph Guarrella's primary practice is Maimonides Medical Center in Brooklyn, New York, part of Maimonides Medical Center. The medical group on file is Maimonides Medical Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joseph Anthony Guarrella's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joseph Guarrella practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Maimonides Medical Center | 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 Maimonides Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Joseph Anthony Guarrella is one of 11,456 physician assistants in New York
Physician assistant is Joseph Guarrella's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Joseph Guarrella
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
Joseph Anthony Guarrella treated 124 Medicare patients in 2024, average age 82
CMS counts 124 Medicare patients who saw Joseph Guarrella in 2024. The largest group is 85 and over, with 58 patients. 75% of them have diabetes, and 75% have high blood pressure. 74% are also on Medicaid. Their average risk score is 4.07, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Joseph Guarrella's median patient age at 85, with 57% women.
Joseph Guarrella's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Joseph Guarrella's Medicare patients by sex, 2024
- Women5645%
- Men6855%
Chronic conditions among Joseph Guarrella's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Arthritis73%
- Heart failure70%
- Ischemic heart disease68%
- Chronic kidney disease64%
- Stroke or TIA62%
Share of Medicare patients with each condition. A patient can have several.
Joseph Guarrella's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 85
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joseph Anthony Guarrella wrote 129 Medicare Part D claims in 2024
In 2024, Joseph Guarrella wrote 129 Medicare Part D claims for 46 patients. 85% of them were for generic drugs.
Joseph Guarrella's Part D claims by kind of drug, 2024
- Generic110 claims85%
- Brand-name and other19 claims15%
Drug classes CMS tracks in Joseph Guarrella's Part D claims, 2024
- Antibiotics26%34 of 129 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
How Joseph Anthony Guarrella takes part in Medicare
Joseph Guarrella 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.
Joseph Anthony Guarrella received $34 in industry payments in 2025
CMS Open Payments shows 1 general payment to Joseph Guarrella from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $34.
Companies that paid Joseph Guarrella the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Joseph Anthony Guarrella graduated from State University of New York Downstate Medical Center
Joseph Guarrella graduated from State University of New York Downstate Medical Center in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Joseph Anthony Guarrella'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Joseph Anthony Guarrella
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joseph Anthony Guarrella's NPI number?
Joseph Anthony Guarrella's NPI number is 1093284135. It was assigned on November 19, 2018, and it is active in the NPI Registry.
What does Joseph Anthony Guarrella specialize in?
Joseph Anthony Guarrella is a physician assistant in Brooklyn, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Joseph Anthony Guarrella practice?
Joseph Guarrella practices at 4802 Tenth Avenue, Brooklyn, NY 11219. Joseph Guarrella's primary practice is Maimonides Medical Center in Brooklyn, New York, part of Maimonides Medical Center.
What is Joseph Anthony Guarrella's office phone number?
The practice phone on file for Joseph Guarrella is (718) 283-6000.
Which hospitals is Joseph Anthony Guarrella affiliated with?
Joseph Guarrella practices at Maimonides Medical Center in Brooklyn, New York.
What medical group is Joseph Anthony Guarrella part of?
Joseph Guarrella is linked to Maimonides Medical Center.
Does Joseph Anthony Guarrella accept Medicare?
Yes. CMS lists Joseph Guarrella as accepting Medicare assignment.
How many Medicare patients does Joseph Anthony Guarrella see?
CMS counts 124 Medicare patients who saw Joseph Guarrella in 2024, with an average age of 82.
Where did Joseph Anthony Guarrella go to medical school?
Joseph Guarrella graduated from State University of New York Downstate Medical Center in 2018.
Has Joseph Anthony Guarrella received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Joseph Guarrella from 1 company from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Joseph Anthony Guarrella been practicing?
Joseph Guarrella graduated from medical school in 2018, 8 years ago.
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