Dr. Lawrence E. Klein, MD
- Medicare services, 2024
- 5,791
- Medicare patients, 2024
- 256
- Part D claims, 2024
- 2,290
- Hospital affiliations
- 1
- Industry payments
- $664
- Practice address
- 3301 New Mexico NW Ave, Washington, DC 20016
- Practice phone
- Call (202) 362-4467
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Foxhall Internists
Washington, District of Columbia
Find Dr. Klein's professional email, personal email and mobile number
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Dr. Lawrence E. Klein is an internist in Washington, District of Columbia
Dr. Klein practices at Foxhall Internists in Washington, District of Columbia.
Dr. Klein's NPI, 1477615680, was assigned on December 14, 2006. Dr. Klein graduated from Johns Hopkins University School of Medicine in 1976. Dr. Klein holds District of Columbia license MD14398.
- NPI
- 1477615680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628151792
- NPI enumeration date
- December 14, 2006
- NPI status
- Active
- Practice phone
- (202) 362-4467
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Lawrence E. Klein practices at Foxhall Internists in Washington, District of Columbia
Dr. Klein's primary practice is Foxhall Internists, at 3301 New Mexico NW Ave, Washington, DC 20016 in District Of Columbia County. The practice phone is (202) 362-4467.
- Foxhall Internists3301 New Mexico NW Ave, Washington, DC 20016 · District Of Columbia CountyPhone(202) 362-4467
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lawrence E. Klein is affiliated with 4 sites of care and 1 medical group
Dr. Klein's primary practice is Foxhall Internists in Washington, District of Columbia. Dr. Klein is also affiliated with Sibley Memorial Hospital. The medical group on file is Foxhall Internists. Dmand AI also links Dr. Klein to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lawrence E. Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Foxhall Internists | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lawrence E. Klein is one of 660 internists in District of Columbia
Internal medicine is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Klein is licensed in District of Columbia.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
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. Lawrence E. Klein billed Medicare for 5,791 services in 2024
CMS data shows 5,791 Medicare services from Dr. Klein across 36 procedure codes in 2024, for 256 Medicare patients. Medicare paid $116,412 for them. Every service was in an office.
Dr. Klein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 3,5132024: 3,4871%
- Drugs given in the office
- 2023: 1,1802024: 1,00115%
- Surgery
- 2023: 4092024: 3944%
- Other services
- 2023: 3792024: 3498%
- Office and hospital visits
- 2023: 3662024: 28722%
- Tests and treatments
- 2023: 3612024: 27324%
Dr. Klein compared with the District of Columbia median for internists, 2024
- Dr. Klein
- District of Columbia median
- Medicare services
- 5,791vs 35416.4 times
- Medicare patients
- 256vs 15367% above
- Part D claims
- 1,797vs 11016.3 times
Medians across 591 internists in District of Columbia 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klein and other internists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lawrence E. Klein treated 256 Medicare patients in 2024, average age 79
CMS counts 256 Medicare patients who saw Dr. Klein in 2024. The largest group is 75 to 84, with 116 patients. 75% of them have high cholesterol, and 50% have high blood pressure. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 76, with 47% women.
Dr. Klein's Medicare patients by age, 2024
Dr. Klein's Medicare patients by sex, 2024
- Women12950%
- Men12750%
Chronic conditions among Dr. Klein's Medicare patients, 2024
- High cholesterol75%
- High blood pressure50%
- Arthritis42%
- Cancer19%
- Ischemic heart disease17%
- Osteoporosis15%
- Atrial fibrillation14%
- Mood disorders14%
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
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lawrence E. Klein wrote 2,290 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 2,290 Medicare Part D claims for 220 patients. 89% of them were for generic drugs. CMS names the drug for 1,797 of them, across 54 drugs with 11 or more claims each, at $103,182 in total drug cost. In 2023, CMS named 1,776 claims across 56 drugs.
Dr. Klein's Part D claims by kind of drug, 2024
- Generic2,032 claims89%
- Brand-name and other258 claims11%
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
- Antibiotics4%96 of 2,290 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: 1,7762024: 1,7971%
Drugs named by CMS: 54 in 2024, 56 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. Lawrence E. Klein received $664 in industry payments from 2016 to 2022
CMS Open Payments shows 35 general payments to Dr. Klein from 12 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $118.
General payments to Dr. Klein by program year, 2016 to 2022
Companies that paid Dr. Klein the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lawrence E. Klein graduated from Johns Hopkins University School of Medicine
Dr. Klein graduated from Johns Hopkins University School of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lawrence E. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Lawrence E. 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. Lawrence E. Klein's NPI number?
Dr. Lawrence E. Klein's NPI number is 1477615680. It was assigned on December 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence E. Klein?
Dr. Lawrence E. Klein is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lawrence E. Klein practice?
Dr. Klein practices at 3301 New Mexico NW Ave, Washington, DC 20016. Dr. Klein's primary practice is Foxhall Internists in Washington, District of Columbia. Dmand AI also links Dr. Klein to 1 group practice or clinic and 1 home health agency.
What is Dr. Lawrence E. Klein's office phone number?
The practice phone on file for Dr. Klein is (202) 362-4467.
What is Dr. Lawrence E. Klein's medical license number?
Dr. Klein holds District of Columbia license MD14398.
Which hospitals is Dr. Lawrence E. Klein affiliated with?
Dr. Klein is affiliated with Sibley Memorial Hospital.
What medical group is Dr. Lawrence E. Klein part of?
Dr. Klein is linked to Foxhall Internists.
Does Dr. Lawrence E. Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 5,791 services in 2024.
How many Medicare patients does Dr. Lawrence E. Klein see?
CMS counts 256 Medicare patients who saw Dr. Klein in 2024, with an average age of 79.
What services does Dr. Lawrence E. Klein bill to Medicare?
In 2024, Dr. Klein's most billed Medicare services were injected or infused drug (J0897), surgery: heart and blood vessels (36415) and lab and pathology test (85025).
Show 4 more questionsShow fewer questions
Where did Dr. Lawrence E. Klein go to medical school?
Dr. Klein graduated from Johns Hopkins University School of Medicine in 1976.
What drugs does Dr. Lawrence E. Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Lawrence E. Klein received payments from drug or device companies?
CMS Open Payments shows $664 in general payments to Dr. Klein from 12 companies from 2016 to 2022. The largest total came from Abbott Laboratories.
How long has Dr. Lawrence E. Klein been practicing?
Dr. Klein graduated from medical school in 1976, 50 years ago.
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