Michael Klein, MD
Nephrology Physician · Hawthorne, NY
Michael Klein, MD is a nephrology physician with a practice address in Hawthorne, New York, and NPI 1508866757, issued on Jul 29, 2005. Check the license (New York 203273, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michael Klein
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 203273 NY
Self-reported in NPPES; status is on the state search - Practice location
- 19 Bradhurst Ave, Hawthorne, NY 10532
- Phone
- (914) 493-7701
- Enumerated
- Jul 29, 2005
- Record last updated
- Mar 6, 2023
- Fax
- (914) 345-0653
- Medicaid ID
- 01881089 NY
- Medicare enrollment
- Enrolled (PECOS I20050105000416); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,049 in New York → Look up another NPI →
Also registered at 19 Bradhurst Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gifty Adjei-Dugbatey, FNPPrimary Care Nurse Practitioner1003635095
- Arlene Adler, PHDPsychologist1386631745
- Stephen Adler, MDNephrology Physician1164421020
- Chhaya Aggarwal-Gupta, MDAdvanced Heart Failure and Transplant Cardiology Physician1518124684
- Ingrid Allard, MDPediatrics Physician1336136027
- Robin Altman, MDPediatrics Physician1295736833
Verify Michael Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 203273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average nephrology physician in 2024
1,017 Medicare Part D claims for 159 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Losartan Potassium105 claims
- Amlodipine Besylate81 claims
- Famotidine70 claims
- Calcitriol64 claims
- Allopurinol51 claims
- Atorvastatin Calcium43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $126.87
1 payment: food and beverage; the largest payer was Cook Medical LLC. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Westchester Medical Center Advanced Physician Services PCValhalla, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Klein among 1,049 nephrology physician records in New York
Michael Klein, MD is one of 1,049 nephrology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1993 · median 1999 among the 764 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 nephrology physician records list a practice address in Hawthorne
They are 9 of the 770 NPPES records with a practice address in Hawthorne, and 1,049 nephrology physician records in New York.
All 1,049 in New York → Every provider in Hawthorne → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Stephen Adler, MDHawthorne, NY 105321164421020
- Savneek Chugh, M.D.Hawthorne, NY 105321851622476
- Anjani Dubey, MDHawthorne, NY 105321124027156
- Skye El Sayegh, MDHawthorne, NY 105321154842433
- Renee Garrick, MDHawthorne, NY 105321386644128
- Aromma Kapoor, M.DHawthorne, NY 105321497941090
- Karim Solangi, MDHawthorne, NY 105321003816851
- Mariya Stratilatova, MDHawthorne, NY 105321750499448
Common questions
What is Michael Klein, MD's NPI number?
Michael Klein, MD's National Provider Identifier (NPI) is 1508866757, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Klein, MD located?
The NPPES record lists a practice address at 19 Bradhurst Ave, Hawthorne, NY, 10532. Phone: (914) 493-7701. Providers update this record themselves, so call before visiting.
How can I verify Michael Klein, MD's license?
NPPES lists New York license number 203273, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Klein, MD prescribe under Medicare Part D?
In 2024, Michael Klein, MD had 1,017 Medicare Part D claims for 159 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Michael Klein, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.