Dr. Joseph Nissenfeld, MD
- Part D claims, 2024
- 178
- Industry payments
- $2,865
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 48-25 36th St, Long Island City, NY 11101
- Practice phone
- Call (212) 734-6621
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Xeron Clinical Laboratories Inc.
Long Island City, New York
Find Dr. Nissenfeld'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.
Dr. Joseph Nissenfeld is a psychiatrist in Long Island City, New York
Dr. Nissenfeld practices at Xeron Clinical Laboratories Inc. in Long Island City, New York.
Dr. Nissenfeld's NPI, 1497956668, was assigned on May 29, 2007. Dr. Nissenfeld graduated from Albert Einstein College of Medicine of Yeshiva University in 2005. Dr. Nissenfeld holds New York license 244571.
- NPI
- 1497956668NPI Registry (opens in a new tab)
- NPI enumeration date
- May 29, 2007
- NPI status
- Active
- Practice phone
- (212) 734-6621
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Joseph Nissenfeld practices at Xeron Clinical Laboratories Inc. in Long Island City, New York
Dr. Nissenfeld's primary practice is Xeron Clinical Laboratories Inc., at 48-25 36th St, Long Island City, NY 11101 in Queens County. The practice phone is (212) 734-6621.
- Xeron Clinical Laboratories Inc.48-25 36th St, Long Island City, NY 11101 · Queens CountyPhone(212) 734-6621
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joseph Nissenfeld is affiliated with 1 site of care and 1 medical group
Dr. Nissenfeld's primary practice is Xeron Clinical Laboratories Inc. in Long Island City, New York. The medical group on file is Kahr Health LLC.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Joseph Nissenfeld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nissenfeld practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Xeron Clinical Laboratories Inc. | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Nissenfeld is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Nissenfeld's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nissenfeld is licensed in New York.
Specialties and state licenses
- Psychiatry, New YorkPrimary
Psychiatrists near Dr. Nissenfeld
Counts of psychiatrists 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
Dr. Joseph Nissenfeld's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Nissenfeld's median patient age at 31, with 37% women.
Dr. Nissenfeld's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women37%
- Men62%
Source: Dmand AI Patient Panel Data
Dr. Joseph Nissenfeld wrote 178 Medicare Part D claims in 2024
In 2024, Dr. Nissenfeld wrote 178 Medicare Part D claims for 13 patients. 80% of them were for generic drugs. CMS names the drug for 115 of them, across 8 drugs with 11 or more claims each, at $19,220 in total drug cost. In 2023, CMS named 77 claims across 6 drugs.
Dr. Nissenfeld's Part D claims by kind of drug, 2024
- Generic142 claims80%
- Brand-name36 claims20%
Dr. Nissenfeld'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.
Drug classes CMS tracks in Dr. Nissenfeld's Part D claims, 2024
- Antipsychotics, patients 65 and over15%26 of 178 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 772024: 11549%
Drugs named by CMS: 8 in 2024, 6 in 2023.
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
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Dr. Joseph Nissenfeld received $2,865 in industry payments from 2020 to 2025
CMS Open Payments shows 114 general payments to Dr. Nissenfeld from 17 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $756.
General payments to Dr. Nissenfeld by program year, 2020 to 2025
Companies that paid Dr. Nissenfeld the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Nissenfeld graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Nissenfeld graduated from Albert Einstein College of Medicine of Yeshiva University in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Nissenfeld'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) |
| 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 Dr. Joseph Nissenfeld
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joseph Nissenfeld's NPI number?
Dr. Joseph Nissenfeld's NPI number is 1497956668. It was assigned on May 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Nissenfeld?
Dr. Joseph Nissenfeld is a psychiatrist in Long Island City, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Joseph Nissenfeld practice?
Dr. Nissenfeld practices at 48-25 36th St, Long Island City, NY 11101. Dr. Nissenfeld's primary practice is Xeron Clinical Laboratories Inc. in Long Island City, New York.
What is Dr. Joseph Nissenfeld's office phone number?
The practice phone on file for Dr. Nissenfeld is (212) 734-6621.
What is Dr. Joseph Nissenfeld's medical license number?
Dr. Nissenfeld holds New York license 244571.
What medical group is Dr. Joseph Nissenfeld part of?
Dr. Nissenfeld is linked to Kahr Health LLC.
Where did Dr. Joseph Nissenfeld go to medical school?
Dr. Nissenfeld graduated from Albert Einstein College of Medicine of Yeshiva University in 2005.
What drugs does Dr. Joseph Nissenfeld prescribe most?
In 2024 Medicare Part D data, Dr. Nissenfeld's most prescribed drugs by claims were Lithium Carbonate, Lamotrigine and Buspirone HCl.
Has Dr. Joseph Nissenfeld received payments from drug or device companies?
CMS Open Payments shows $2,865 in general payments to Dr. Nissenfeld from 17 companies from 2020 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Joseph Nissenfeld been practicing?
Dr. Nissenfeld graduated from medical school in 2005, 21 years ago.
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