Dr. Michael D. Klein, MD

  • Valhalla, NY
  • Nephrologist
NPI1508866757PAC ID9830147008
Medicare services, 2024
1,063
Medicare patients, 2024
370
Part D claims, 2024
1,017
MIPS score, 2024
75
Hospital affiliations
2
Practice address
100 Woods Rd, Valhalla, NY 10595
Practice phone
Call (914) 493-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Westchester Medical Center

Hospital · Valhalla, New York

See all 8 affiliations

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Dr. Michael D. Klein is a nephrologist in Valhalla, New York

Dr. Klein practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.

Dr. Klein's NPI, 1508866757, was assigned on July 29, 2005. Dr. Klein graduated from R Franklin University of Med & Sci/Chicago Medical School in 1993. Dr. Klein holds New York license 203273.

NPI and contact details
Medicare PAC ID
9830147008
NPI enumeration date
July 29, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(914) 493-7000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael D. Klein practices at Westchester Medical Center in Valhalla, New York

Dr. Klein's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.

Source: Dmand AI Affiliation Data

Dr. Michael D. Klein is affiliated with 6 sites of care and 2 medical groups

Dr. Klein's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dr. Klein is also affiliated with White Plains Hospital. The medical group on file is Westchester Medical Center Advanced Physician Services. Dmand AI also links Dr. Klein to 2 more dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Klein

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

Dmand AI tracks the EHR system at Dr. Michael D. Klein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Westchester Medical CenterAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Michael D. Klein is one of 914 nephrologists in New York

Nephrology is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Klein is licensed in New York.

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 203273 · taxonomy 207RN0300X

Nephrologists near Dr. Klein

Counts of nephrologists 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. Michael D. Klein billed Medicare for 1,063 services in 2024

CMS data shows 1,063 Medicare services from Dr. Klein across 11 procedure codes in 2024, for 370 Medicare patients. Medicare paid $131,501 for them.

Medicare services, 20241,063
Medicare patients370
Paid by Medicare$131,501
Procedure codes11

Dr. Klein's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7122024: 84519%
Tests and treatments
2023: 1812024: 21820%

Where Dr. Klein's Medicare services took place, 2024

  • In an office49246%
  • In a facility57154%

Dr. Klein compared with the New York median for nephrologists, 2024

  • Dr. Klein
  • New York median
Medicare services
1,063vs 68954% above
Medicare patients
370vs 21771% above
Part D claims
764vs 43675% above

Medians across 892 nephrologists 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.

See all procedures by Dr. Klein

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael D. Klein treated 370 Medicare patients in 2024, average age 73

CMS counts 370 Medicare patients who saw Dr. Klein in 2024. The largest group is 75 to 84, with 136 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 32% are also on Medicaid. Their average risk score is 4.33, 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 72, with 38% women.

Medicare patients, 2024370
Average age73
Average risk score4.33
Also on Medicaid32%

Dr. Klein's Medicare patients by age, 2024

Dr. Klein's Medicare patients by sex, 2024

  • Women14639%
  • Men22461%

Chronic conditions among Dr. Klein's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Ischemic heart disease64%
  5. Diabetes60%
  6. Heart failure47%
  7. Arthritis44%
  8. Atrial fibrillation38%

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 72

Patient panel by sex, all payers

  • Women38%
  • Men59%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael D. Klein wrote 1,017 Medicare Part D claims in 2024

In 2024, Dr. Klein wrote 1,017 Medicare Part D claims for 159 patients. 90% of them were for generic drugs. CMS names the drug for 764 of them, across 24 drugs with 11 or more claims each, at $105,754 in total drug cost. In 2023, CMS named 735 claims across 25 drugs.

Part D claims, 20241,017
Drugs named by CMS24
Total drug cost$105,754
Part D patients159

Dr. Klein's Part D claims by kind of drug, 2024

  • Generic913 claims90%
  • Brand-name104 claims10%

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

  • Antibiotics3%30 of 1,017 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: 7352024: 7644%

Drugs named by CMS: 24 in 2024, 25 in 2023.

See all prescribing by Dr. Klein

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. Michael D. Klein scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 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. CMS lists Dr. Klein as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

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. Michael D. Klein received $743 in industry payments from 2017 to 2025

CMS Open Payments shows 15 general payments to Dr. Klein from 7 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $431.

General payments to Dr. Klein by program year, 2017 to 2025

Companies that paid Dr. Klein the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Klein

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

Dr. Michael D. Klein graduated from R Franklin University of Med & Sci/Chicago Medical School

Dr. Klein graduated from R Franklin University of Med & Sci/Chicago Medical School in 1993.

  1. Medical schoolR Franklin University of Med & Sci/Chicago Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael D. 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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
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 Dr. Michael D. 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. Michael D. Klein's NPI number?

Dr. Michael D. Klein's NPI number is 1508866757. It was assigned on July 29, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael D. Klein?

Dr. Michael D. Klein is a nephrologist in Valhalla, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Michael D. Klein practice?

Dr. Klein practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Klein's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Klein to 2 dialysis centers, 2 group practices and clinics and 1 medical group.

What is Dr. Michael D. Klein's office phone number?

The practice phone on file for Dr. Klein is (914) 493-7000.

What is Dr. Michael D. Klein's medical license number?

Dr. Klein holds New York license 203273.

Which hospitals is Dr. Michael D. Klein affiliated with?

Dr. Klein practices at Westchester Medical Center in Valhalla, New York. Dr. Klein is also affiliated with White Plains Hospital.

What medical group is Dr. Michael D. Klein part of?

Dr. Klein is linked to Westchester Medical Center Advanced Physician Services. Dmand AI links Dr. Klein to 1 more medical group.

Does Dr. Michael D. Klein accept Medicare?

Yes. CMS data shows Dr. Klein billed Medicare for 1,063 services in 2024, and Dr. Klein accepts Medicare assignment.

Does Dr. Michael D. Klein offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Klein as offering telehealth services.

What is Dr. Michael D. Klein's MIPS score?

Dr. Klein's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Michael D. Klein see?

CMS counts 370 Medicare patients who saw Dr. Klein in 2024, with an average age of 73.

What services does Dr. Michael D. Klein bill to Medicare?

In 2024, Dr. Klein's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and office visit, established patient (99214).

Where did Dr. Michael D. Klein go to medical school?

Dr. Klein graduated from R Franklin University of Med & Sci/Chicago Medical School in 1993.

What drugs does Dr. Michael D. Klein prescribe most?

In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Losartan Potassium, Amlodipine Besylate and Famotidine.

Has Dr. Michael D. Klein received payments from drug or device companies?

CMS Open Payments shows $743 in general payments to Dr. Klein from 7 companies from 2017 to 2025. The largest total came from Cook Medical LLC.

How long has Dr. Michael D. Klein been practicing?

Dr. Klein graduated from medical school in 1993, 33 years ago.

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