David Klein
- Part D claims, 2024
- 424
- Hospital affiliations
- 4
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 148 Chestnut St, Needham, MA 02492
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Cancer Center at Beth Israel Deaconess Medical Center - Physical Therapy - HOPD
Acute Care Hospital outpatient department · Needham, Massachusetts
Find David 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.
David Klein is an internist in Needham, Massachusetts
David Klein practices at The Cancer Center at Beth Israel Deaconess Medical Center - Physical Therapy - HOPD in Needham, Massachusetts.
David Klein's NPI, 1174188908, was assigned on May 7, 2019. David Klein holds Massachusetts license 1023451.
- NPI
- 1174188908NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012242381
- NPI enumeration date
- May 7, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David Klein practices at The Cancer Center at Beth Israel Deaconess Medical Center - Physical Therapy - HOPD in Needham, Massachusetts
David Klein's primary practice is The Cancer Center at Beth Israel Deaconess Medical Center - Physical Therapy - HOPD, at 148 Chestnut St, Needham, MA 02492.
- The Cancer Center at Beth Israel Deaconess Medical Center - Physical Therapy - HOPD148 Chestnut St, Needham, MA 02492
Source: Dmand AI Affiliation Data
David Klein is affiliated with 7 sites of care and 2 medical groups
David Klein's primary practice is The Cancer Center at Beth Israel Deaconess Medical Center - Physical Therapy - HOPD in Needham, Massachusetts. David Klein is also affiliated with Beth Israel Deaconess Hospital-Needham. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links David Klein to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Klein practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Cancer Center at Beth Israel Deaconess Medical Center - Physical Therapy - HOPD | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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David Klein is one of 5,528 internists in Massachusetts
Internal medicine is David Klein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. David Klein is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near David 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
David Klein's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts David Klein's median patient age at 80, with 53% women.
David 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 80
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
David Klein wrote 424 Medicare Part D claims in 2024
In 2024, David Klein wrote 424 Medicare Part D claims for 75 patients. 78% of them were for generic drugs. CMS names the drug for 208 of them, across 10 drugs with 11 or more claims each, at $2,255 in total drug cost.
David Klein's Part D claims by kind of drug, 2024
- Generic329 claims78%
- Brand-name84 claims20%
- Other11 claims3%
David 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.
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
How David Klein takes part in Medicare
David Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 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 David Klein's NPI number?
David Klein's NPI number is 1174188908. It was assigned on May 7, 2019, and it is active in the NPI Registry.
What does David Klein specialize in?
David Klein is an internist in Needham, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does David Klein practice?
David Klein practices at 148 Chestnut St, Needham, MA 02492. David Klein's primary practice is The Cancer Center at Beth Israel Deaconess Medical Center - Physical Therapy - HOPD in Needham, Massachusetts. Dmand AI also links David Klein to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is David Klein's medical license number?
David Klein holds Massachusetts license 1023451.
Which hospitals is David Klein affiliated with?
David Klein is affiliated with Beth Israel Deaconess Hospital-Needham. Dmand AI links David Klein to 3 more hospitals.
What medical group is David Klein part of?
David Klein is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links David Klein to 1 more medical group.
Does David Klein accept Medicare?
Yes. CMS lists David Klein as accepting Medicare assignment.
What drugs does David Klein prescribe most?
In 2024 Medicare Part D data, David Klein's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has David Klein been practicing?
David Klein graduated from medical school in 2019, 7 years ago.
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