Dr. David Klein, DO
- Part D claims, 2024
- 53
- Industry payments
- $219
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1165 Northern Blvd, Manhasset, NY 11030
- Practice phone
- Call (516) 623-1786
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Freeport Kidney Center
Manhasset, New York
Find Dr. Klein'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. David Klein is an internist in Manhasset, New York
Dr. Klein practices at Freeport Kidney Center in Manhasset, New York.
Dr. Klein's NPI, 1508904624, was assigned on February 1, 2007. Dr. Klein graduated from NYIT College Of Osteopathic Medicine in 2005. Dr. Klein holds New York license 227403-1.
- NPI
- 1508904624NPI Registry (opens in a new tab)
- NPI enumeration date
- February 1, 2007
- NPI status
- Active
- Practice phone
- (516) 623-1786
- 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. David Klein practices at Freeport Kidney Center in Manhasset, New York
Dr. Klein's primary practice is Freeport Kidney Center, at 1165 Northern Blvd, Manhasset, NY 11030 in Nassau County. The practice phone is (516) 623-1786.
- Freeport Kidney Center1165 Northern Blvd, Manhasset, NY 11030 · Nassau CountyPhone(516) 623-1786
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Klein is affiliated with 1 site of care and 1 medical group
Dr. Klein's primary practice is Freeport Kidney Center in Manhasset, New York. The medical group on file is Partners Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Freeport Kidney Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Klein is one of 9,643 internists in New York
Internal medicine is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Klein is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Klein
Counts of internists 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. David Klein's patients have a median age of 89
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 89, with 67% women.
Dr. 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 89
Patient panel by sex, all payers
- Women67%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. David Klein wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 53 Medicare Part D claims for 19 patients. 91% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $44 in total drug cost. In 2020, CMS named 13 claims across 1 drug.
Dr. Klein's Part D claims by kind of drug, 2024
- Generic48 claims91%
- Brand-name and other5 claims9%
Dr. Klein's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2022
- 2020
- 2022
- Claims for drugs CMS names
- 2020: 132022: 1115%
Drugs named by CMS: 1 in 2022, 1 in 2020.
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. David Klein received $219 in industry payments from 2016 to 2021
CMS Open Payments shows 10 general payments to Dr. Klein from 3 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $159.
General payments to Dr. Klein by program year, 2016 to 2021
Companies that paid Dr. Klein the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Klein graduated from NYIT College Of Osteopathic Medicine
Dr. Klein graduated from NYIT College Of Osteopathic Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Klein'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. David 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 Dr. David Klein's NPI number?
Dr. David Klein's NPI number is 1508904624. It was assigned on February 1, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David Klein?
Dr. David Klein is an internist in Manhasset, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David Klein practice?
Dr. Klein practices at 1165 Northern Blvd, Manhasset, NY 11030. Dr. Klein's primary practice is Freeport Kidney Center in Manhasset, New York.
What is Dr. David Klein's office phone number?
The practice phone on file for Dr. Klein is (516) 623-1786.
What is Dr. David Klein's medical license number?
Dr. Klein holds New York license 227403-1.
What medical group is Dr. David Klein part of?
Dr. Klein is linked to Partners Medical Group.
Where did Dr. David Klein go to medical school?
Dr. Klein graduated from NYIT College Of Osteopathic Medicine in 2005.
What drugs does Dr. David Klein prescribe most?
In 2022 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Amlodipine Besylate.
Has Dr. David Klein received payments from drug or device companies?
CMS Open Payments shows $219 in general payments to Dr. Klein from 3 companies from 2016 to 2021. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. David Klein been practicing?
Dr. Klein graduated from medical school in 2005, 21 years ago.
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