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Andrea Johnnidis-Klein, PA

  • West Islip, NY
  • Surgical physician assistant
NPI1962559336
Hospital affiliations
1
Industry payments
$26
State license
1
Year NPI issued
2007
Practice address
1000 Montauk Highway, West Islip, NY 11795
Practice phone
Call (631) 376-3000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Good Samaritan University Hospital

Hospital · West Islip, New York

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Andrea Johnnidis-Klein is a surgical physician assistant in West Islip, New York

Andrea Johnnidis-Klein practices at Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.

Andrea Johnnidis-Klein's NPI, 1962559336, was assigned on January 5, 2007. Andrea Johnnidis-Klein holds New York license 008393.

NPI and contact details
NPI
1962559336NPI Registry (opens in a new tab)
NPI enumeration date
January 5, 2007
NPI status
Active
Practice phone
(631) 376-3000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Andrea Johnnidis-Klein practices at Good Samaritan University Hospital in West Islip, New York

Andrea Johnnidis-Klein's primary practice is Good Samaritan University Hospital, at 1000 Montauk Highway, West Islip, NY 11795 in Suffolk County. The practice phone is (631) 376-3000.

Source: Dmand AI Affiliation Data

Andrea Johnnidis-Klein is affiliated with 1 site of care

Andrea Johnnidis-Klein's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Andrea Johnnidis-Klein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Andrea Johnnidis-Klein practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Good Samaritan University HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Andrea Johnnidis-Klein is one of 1,635 surgical physician assistants in New York

Surgical is Andrea Johnnidis-Klein's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Andrea Johnnidis-Klein is board certified in 2001 - 2024 by the NY State PA License. Andrea Johnnidis-Klein is licensed in New York.

Specialties and state licenses

  • Surgical physician assistant, New YorkPrimaryLicense 008393 · taxonomy 363AS0400X

Surgical physician assistants near Andrea Johnnidis-Klein

Counts of surgical physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

1,635surgical physician assistants in New York16surgical physician assistants in West Islip14surgical physician assistants at Good Samaritan University Hospital

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Andrea Johnnidis-Klein's patients have a median age of 53

Across all payers, Dmand AI patient panel data puts Andrea Johnnidis-Klein's median patient age at 53, with 100% women.

Andrea Johnnidis-Klein's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Andrea Johnnidis-Klein received $26 in industry payments in 2025

CMS Open Payments shows 1 general payment to Andrea Johnnidis-Klein from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $26.

Companies that paid Andrea Johnnidis-Klein the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Andrea Johnnidis-Klein

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Andrea Johnnidis-Klein is board certified in 2001 - 2024

  1. Board certified in 2001 - 2024NY State PA License

Source: Dmand AI Professional Profile Data

Sources for Andrea Johnnidis-Klein's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Andrea Johnnidis-Klein

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Andrea Johnnidis-Klein's NPI number?

Andrea Johnnidis-Klein's NPI number is 1962559336. It was assigned on January 5, 2007, and it is active in the NPI Registry.

What does Andrea Johnnidis-Klein specialize in?

Andrea Johnnidis-Klein is a surgical physician assistant in West Islip, New York. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).

Where does Andrea Johnnidis-Klein practice?

Andrea Johnnidis-Klein practices at 1000 Montauk Highway, West Islip, NY 11795. Andrea Johnnidis-Klein's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.

What is Andrea Johnnidis-Klein's office phone number?

The practice phone on file for Andrea Johnnidis-Klein is (631) 376-3000.

What is Andrea Johnnidis-Klein's medical license number?

Andrea Johnnidis-Klein holds New York license 008393.

Which hospitals is Andrea Johnnidis-Klein affiliated with?

Andrea Johnnidis-Klein practices at Good Samaritan University Hospital in West Islip, New York.

Is Andrea Johnnidis-Klein board certified?

Yes. Andrea Johnnidis-Klein is board certified in 2001 - 2024 by the NY State PA License.

Has Andrea Johnnidis-Klein received payments from drug or device companies?

CMS Open Payments shows $26 in general payments to Andrea Johnnidis-Klein from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.

How long has Andrea Johnnidis-Klein been practicing?

Andrea Johnnidis-Klein's NPI was assigned in 2007.

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