Dr. Nadav K. Klein, MD
- Medicare services, 2024
- 457
- Medicare patients, 2024
- 136
- Part D claims, 2024
- 276
- Publications
- 15
- MIPS score, 2024
- 81
- Practice address
- 670 Stoneleigh Avenue, Carmel, NY 10512
- Practice phone
- Call (914) 279-5711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Klein's professional email, personal email and mobile number
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Dr. Nadav K. Klein is a psychiatrist in Carmel, New York
Dr. Klein practices at Putnam Hospital in Carmel, New York, part of Northwell Health.
Dr. Klein's NPI, 1649768557, was assigned on April 26, 2018. Dr. Klein graduated from Ohio State University College of Medicine in 2018. Dr. Klein holds New York license 314753.
- NPI
- 1649768557NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597017020
- NPI enumeration date
- April 26, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 279-5711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- 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)
Dr. Nadav K. Klein practices at Putnam Hospital in Carmel, New York
Dr. Klein's primary practice is Putnam Hospital, at 670 Stoneleigh Avenue, Carmel, NY 10512 in Putnam County. The practice phone is (914) 279-5711.
- Putnam Hospital670 Stoneleigh Avenue, Carmel, NY 10512 · Putnam CountyPhone(914) 279-5711
Source: Dmand AI Affiliation Data
Dr. Nadav K. Klein is affiliated with 2 sites of care and 2 medical groups
Dr. Klein's primary practice is Putnam Hospital in Carmel, New York, part of Northwell Health. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Klein to 1 more physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nadav K. Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Putnam Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nadav K. Klein is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Klein is licensed in New York.
Specialties and state licenses
- Psychiatry, New YorkPrimary
Psychiatrists near Dr. Klein
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. Nadav K. Klein billed Medicare for 457 services in 2024
CMS data shows 457 Medicare services from Dr. Klein across 9 procedure codes in 2024, for 136 Medicare patients. Medicare paid $42,568 for them.
Dr. Klein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 462024: 381728%
- Tests and treatments
- 2023: 02024: 76
Where Dr. Klein's Medicare services took place, 2024
- In an office14331%
- In a facility31469%
Dr. Klein compared with the New York median for psychiatrists, 2024
- Dr. Klein
- New York median
- Medicare services
- 457vs 1423.2 times
- Medicare patients
- 136vs 413.3 times
- Part D claims
- 188vs 12452% above
Medians across 5,024 psychiatrists in New York with Dmand AI profiles that report each measure.
Dr. Klein's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nadav K. Klein treated 136 Medicare patients in 2024, average age 81
CMS counts 136 Medicare patients who saw Dr. Klein in 2024. The largest group is 85 and over, with 61 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 40% are also on Medicaid. Their average risk score is 3.31, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 76, with 50% women.
Dr. Klein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klein's Medicare patients by sex, 2024
- Women7958%
- Men5742%
Chronic conditions among Dr. Klein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Ischemic heart disease63%
- Mood disorders57%
- Heart failure53%
- Anxiety52%
- Depression52%
- Alzheimer's and dementia51%
Share of Medicare patients with each condition. A patient can have several.
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 76
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nadav K. Klein wrote 276 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 276 Medicare Part D claims for 37 patients. 100% of them were for generic drugs. CMS names the drug for 188 of them, across 10 drugs with 11 or more claims each, at $2,598 in total drug cost. In 2021, CMS named 83 claims across 5 drugs.
Dr. Klein's Part D claims by kind of drug, 2024
- Generic275 claims100%
- Brand-name and other1 claims0%
Dr. Klein'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. Klein's Part D claims, 2024
- Antipsychotics, patients 65 and over12%33 of 276 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 832024: 188127%
Drugs named by CMS: 10 in 2024, 5 in 2021.
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
Dr. Nadav K. Klein scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Klein for performance year 2024, reported as part of a group. Dr. Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Klein's MIPS scores, performance year 2024
- 81of 100Final score
- 63of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nadav K. Klein has 15 publications on record
Dmand AI links 15 papers to Dr. Klein, published from 2014 to 2025. 2023 was the busiest year, with 3. The most frequent topics are Judgment, Social Behavior and Motivation. Dr. Klein has published most often in J Pers Soc Psychol. Dr. Klein's most frequent co-authors are Hossam H. Guirgis, MD, Kathi J. Kemper, MD and Walter Hart Stearns, MD.
Dr. Klein's papers by year, 2014 to 2025
Topics Dr. Klein writes about most
- Judgment
- Social Behavior
- Motivation
- Social Perception
- Morals
- Thinking
Dr. Klein's most frequent co-authors
- Hossam H. Guirgis, MD1 shared paper
- Kathi J. Kemper, MD1 shared paper
- Walter Hart Stearns, MD1 shared paper
Recent publications by Dr. Klein
J Exp Psychol Gen
J Pers Soc Psychol
See who Dr. Klein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klein 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. Nadav K. Klein received $89 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Klein from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $89.
Companies that paid Dr. Klein the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nadav K. Klein graduated from Ohio State University College of Medicine
Dr. Klein graduated from Ohio State University College of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nadav K. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Nadav K. 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. Nadav K. Klein's NPI number?
Dr. Nadav K. Klein's NPI number is 1649768557. It was assigned on April 26, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Nadav K. Klein?
Dr. Nadav K. Klein is a psychiatrist in Carmel, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Nadav K. Klein practice?
Dr. Klein practices at 670 Stoneleigh Avenue, Carmel, NY 10512. Dr. Klein's primary practice is Putnam Hospital in Carmel, New York, part of Northwell Health. Dmand AI also links Dr. Klein to 1 physician office and 1 medical group.
What is Dr. Nadav K. Klein's office phone number?
The practice phone on file for Dr. Klein is (914) 279-5711.
What is Dr. Nadav K. Klein's medical license number?
Dr. Klein holds New York license 314753.
Which hospitals is Dr. Nadav K. Klein affiliated with?
Dr. Klein practices at Putnam Hospital in Carmel, New York.
What medical group is Dr. Nadav K. Klein part of?
Dr. Klein is linked to Danbury Medical Group. Dmand AI links Dr. Klein to 1 more medical group.
Does Dr. Nadav K. Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 457 services in 2024, and Dr. Klein accepts Medicare assignment.
What is Dr. Nadav K. Klein's MIPS score?
Dr. Klein's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nadav K. Klein see?
CMS counts 136 Medicare patients who saw Dr. Klein in 2024, with an average age of 81.
Show 7 more questionsShow fewer questions
What services does Dr. Nadav K. Klein bill to Medicare?
In 2024, Dr. Klein's most billed Medicare services were care management and other visits (99497), hospital inpatient care (99223) and office visit, established patient (99214).
Where did Dr. Nadav K. Klein go to medical school?
Dr. Klein graduated from Ohio State University College of Medicine in 2018.
What drugs does Dr. Nadav K. Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Buspirone HCl, Clonazepam and Escitalopram Oxalate.
Has Dr. Nadav K. Klein received payments from drug or device companies?
CMS Open Payments shows $89 in general payments to Dr. Klein from 1 company from 2024 to 2024. The largest total came from Alkermes, Inc.
How long has Dr. Nadav K. Klein been practicing?
Dr. Klein graduated from medical school in 2018, 8 years ago.
Does Dr. Nadav K. Klein do research?
Dmand AI links 15 publications to Dr. Klein, published from 2014 to 2025.
Who does Dr. Nadav K. Klein publish with?
Dr. Klein's most frequent co-authors are Hossam H. Guirgis, MD (1 shared paper), Kathi J. Kemper, MD (1 shared paper) and Walter Hart Stearns, MD (1 shared paper).
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