Dr. Joyce Ellen Gerdis Karp, MD
- Part D claims, 2024
- 838
- Publications
- 3
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 900 Merchants Concourse, Westbury, NY 11590
- Practice phone
- Call (516) 496-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Square Care Medical Group
Westbury, New York
Find Dr. Gerdis Karp'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. Joyce Ellen Gerdis Karp is a psychiatrist in Westbury, New York
Dr. Gerdis Karp practices at Square Care Medical Group in Westbury, New York.
Dr. Gerdis Karp's NPI, 1497888119, was assigned on March 13, 2007. Dr. Gerdis Karp graduated from New York University School of Medicine in 1987. Dr. Gerdis Karp holds New York license 177664.
- NPI
- 1497888119NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749449627
- NPI enumeration date
- March 13, 2007
- NPI status
- Active
- Practice phone
- (516) 496-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Joyce Ellen Gerdis Karp practices at Square Care Medical Group in Westbury, New York
Dr. Gerdis Karp's primary practice is Square Care Medical Group, at 900 Merchants Concourse, Westbury, NY 11590 in Nassau County. The practice phone is (516) 496-3900.
- Square Care Medical Group900 Merchants Concourse, Westbury, NY 11590 · Nassau CountyPhone(516) 496-3900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joyce Ellen Gerdis Karp is affiliated with 2 sites of care and 1 medical group
Dr. Gerdis Karp's primary practice is Square Care Medical Group in Westbury, New York. The medical group on file is STM-Southwoods. Dmand AI also links Dr. Gerdis Karp to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Joyce Ellen Gerdis Karp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerdis Karp practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Square Care Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joyce Ellen Gerdis Karp is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Gerdis Karp's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Gerdis Karp is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Gerdis Karp's licenses on file in 2 states: New York and Florida.
Specialties and state licenses
- Psychiatry, New YorkPrimary
- Florida license
Psychiatrists near Dr. Gerdis Karp
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. Joyce Ellen Gerdis Karp's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Dr. Gerdis Karp's median patient age at 42, with 68% women.
Dr. Gerdis Karp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women68%
- Men23%
Source: Dmand AI Patient Panel Data
Dr. Joyce Ellen Gerdis Karp wrote 838 Medicare Part D claims in 2024
In 2024, Dr. Gerdis Karp wrote 838 Medicare Part D claims for 60 patients. 96% of them were for generic drugs. CMS names the drug for 741 of them, across 27 drugs with 11 or more claims each, at $17,549 in total drug cost. In 2023, CMS named 726 claims across 25 drugs.
Dr. Gerdis Karp's Part D claims by kind of drug, 2024
- Generic802 claims96%
- Brand-name36 claims4%
Dr. Gerdis Karp'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. Gerdis Karp's Part D claims, 2024
- Antipsychotics, patients 65 and over9%76 of 838 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: 7262024: 7412%
Drugs named by CMS: 27 in 2024, 25 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. Joyce Ellen Gerdis Karp has 3 publications on record
Dmand AI links 3 papers to Dr. Gerdis Karp.
Recent publications by Dr. Gerdis Karp
See who Dr. Gerdis Karp researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gerdis Karp works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joyce Ellen Gerdis Karp has 1 award and honors on record
Dmand AI lists 1 award for Dr. Gerdis Karp.
Awards and honors for Dr. Gerdis Karp
- Undated
- Listing in Guide to America’s Top Psychiatrists
Dr. Gerdis Karp's committees and leadership roles
- Clinical Affairs Committee Bellevue HospitalMember
- 1990
- Curriculum and Residency Selection Committees Department of Psychiatry New York University Medical CenterCo-Chair
- 1990 to 1991
- Committee on Residents New York District Branch American Psychiatric AssociationMember
- 1989 to 1990
Source: Dmand AI Professional Profile Data
Dr. Joyce Ellen Gerdis Karp graduated from New York University School of Medicine
Dr. Gerdis Karp graduated from New York University School of Medicine in 1987. Dr. Gerdis Karp is a member of APA, American Psychoanalytic Association - APsaA and Mensa.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Joyce Ellen Gerdis Karp accepts plans from 1 insurance carrier
Dr. Gerdis Karp is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Joyce Ellen Gerdis Karp'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Joyce Ellen Gerdis Karp
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. Joyce Ellen Gerdis Karp's NPI number?
Dr. Joyce Ellen Gerdis Karp's NPI number is 1497888119. It was assigned on March 13, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joyce Ellen Gerdis Karp?
Dr. Joyce Ellen Gerdis Karp is a psychiatrist in Westbury, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Joyce Ellen Gerdis Karp practice?
Dr. Gerdis Karp practices at 900 Merchants Concourse, Westbury, NY 11590. Dr. Gerdis Karp's primary practice is Square Care Medical Group in Westbury, New York. Dmand AI also links Dr. Gerdis Karp to 1 group practice or clinic.
What is Dr. Joyce Ellen Gerdis Karp's office phone number?
The practice phone on file for Dr. Gerdis Karp is (516) 496-3900.
What is Dr. Joyce Ellen Gerdis Karp's medical license number?
Dr. Gerdis Karp holds New York license 177664, one of the licenses on file in 2 states.
Which states has Dr. Joyce Ellen Gerdis Karp been licensed in?
Dmand AI has state licenses on file for Dr. Gerdis Karp in New York (1989 to 2026) and Florida (1999 to 2015).
What medical group is Dr. Joyce Ellen Gerdis Karp part of?
Dr. Gerdis Karp is linked to STM-Southwoods.
Is Dr. Joyce Ellen Gerdis Karp board certified?
Yes. Dr. Gerdis Karp is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Joyce Ellen Gerdis Karp go to medical school?
Dr. Gerdis Karp graduated from New York University School of Medicine in 1987.
What drugs does Dr. Joyce Ellen Gerdis Karp prescribe most?
In 2024 Medicare Part D data, Dr. Gerdis Karp's most prescribed drugs by claims were Trazodone HCl, Bupropion XL and Escitalopram Oxalate.
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How long has Dr. Joyce Ellen Gerdis Karp been practicing?
Dr. Gerdis Karp graduated from medical school in 1987, 39 years ago.
Does Dr. Joyce Ellen Gerdis Karp do research?
Dmand AI links 3 publications to Dr. Gerdis Karp.
What insurance does Dr. Joyce Ellen Gerdis Karp accept?
Dr. Gerdis Karp is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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