Dr. Mitchell L. Klein, MD
- Medicare services, 2023
- 459
- Part D claims, 2024
- 563
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 199 N Middletown Road, Nanuet, NY 10954
- Practice phone
- Call (845) 623-3904
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern Manor
Skilled Nursing Facility · Nanuet, New York
Find Dr. Klein's professional email, personal email and mobile number
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Dr. Mitchell L. Klein is an internist in Nanuet, New York
Dr. Klein practices at Northern Manor in Nanuet, New York.
Dr. Klein's NPI, 1487704573, was assigned on January 11, 2007. Dr. Klein graduated from New York University Grossman School of Medicine in 1981. Dr. Klein holds New York license 148277.
- NPI
- 1487704573NPI Registry (opens in a new tab)
- NPI enumeration date
- January 11, 2007
- NPI status
- Active
- Practice phone
- (845) 623-3904
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mitchell L. Klein practices at Northern Manor in Nanuet, New York
Dr. Klein's primary practice is Northern Manor, at 199 N Middletown Road, Nanuet, NY 10954 in Rockland County. The practice phone is (845) 623-3904.
- Northern Manor199 N Middletown Road, Nanuet, NY 10954 · Rockland CountyPhone(845) 623-3904
Source: Dmand AI Affiliation Data
Dr. Mitchell L. Klein is affiliated with 1 site of care
Dr. Klein's primary practice is Northern Manor in Nanuet, New York.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mitchell L. 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 |
|---|---|
| Northern Manor | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mitchell L. 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. Mitchell L. Klein billed Medicare for 459 services in 2023
CMS data shows 459 Medicare services from Dr. Klein across 7 procedure codes in 2023. Medicare paid $22,601 for them. Every service was in an office.
Dr. Klein's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2702023: 2613%
- Surgery
- 2022: 602023: 60No change
- Tests and treatments
- 2022: 322023: 5366%
- Lab and pathology
- 2022: 622023: 4823%
- Other services
- 2022: 322023: 3716%
Dr. Klein compared with the New York median for internists, 2023
- Dr. Klein
- New York median
- Medicare services
- 459vs 4268% above
- Part D claims
- 328vs 62247% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Klein's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klein and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mitchell L. Klein's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 71, with 46% 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 71
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Mitchell L. Klein wrote 563 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 563 Medicare Part D claims for 80 patients. 90% of them were for generic drugs. CMS names the drug for 328 of them, across 18 drugs with 11 or more claims each, at $3,384 in total drug cost. In 2023, CMS named 1,164 claims across 43 drugs.
Dr. Klein's Part D claims by kind of drug, 2024
- Generic508 claims90%
- Brand-name55 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%17 of 563 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: 1,1642024: 32872%
Drugs named by CMS: 18 in 2024, 43 in 2023.
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. Mitchell L. Klein graduated from New York University Grossman School of Medicine
Dr. Klein graduated from New York University Grossman School of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mitchell L. 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 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) |
| 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. Mitchell L. 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. Mitchell L. Klein's NPI number?
Dr. Mitchell L. Klein's NPI number is 1487704573. It was assigned on January 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mitchell L. Klein?
Dr. Mitchell L. Klein is an internist in Nanuet, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mitchell L. Klein practice?
Dr. Klein practices at 199 N Middletown Road, Nanuet, NY 10954. Dr. Klein's primary practice is Northern Manor in Nanuet, New York.
What is Dr. Mitchell L. Klein's office phone number?
The practice phone on file for Dr. Klein is (845) 623-3904.
What is Dr. Mitchell L. Klein's medical license number?
Dr. Klein holds New York license 148277.
Does Dr. Mitchell L. Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 459 services in 2023.
What services does Dr. Mitchell L. Klein bill to Medicare?
In 2023, Dr. Klein's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and lab and pathology test (82962).
Where did Dr. Mitchell L. Klein go to medical school?
Dr. Klein graduated from New York University Grossman School of Medicine in 1981.
What drugs does Dr. Mitchell L. Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Metoprolol Succinate, Rosuvastatin Calcium and Pantoprazole Sodium.
How long has Dr. Mitchell L. Klein been practicing?
Dr. Klein graduated from medical school in 1981, 45 years ago.
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