Dr. Diane W. Lefcort, MD
- Medicare services, 2024
- 73
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 52
- Hospital affiliations
- 1
- Industry payments
- $55
- Practice address
- 850 Maple Street - P O Box a, Medical Lake, WA 99022
- Practice phone
- Call (509) 565-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lefcort's professional email, personal email and mobile number
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Dr. Diane W. Lefcort is an internist in Medical Lake, Washington
Dr. Lefcort practices at Eastern State Hospital in Medical Lake, Washington, part of State of Washington Government.
Dr. Lefcort's NPI, 1619933561, was assigned on April 20, 2006. Dr. Lefcort holds Washington license MD00040390.
- NPI
- 1619933561NPI Registry (opens in a new tab)
- NPI enumeration date
- April 20, 2006
- NPI status
- Active
- Practice phone
- (509) 565-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Diane W. Lefcort practices at Eastern State Hospital in Medical Lake, Washington
Dr. Lefcort's primary practice is Eastern State Hospital, at 850 Maple Street - P O Box a, Medical Lake, WA 99022 in Spokane County. The practice phone is (509) 565-4000.
- Eastern State Hospital850 Maple Street - P O Box a, Medical Lake, WA 99022 · Spokane CountyPhone(509) 565-4000
Source: Dmand AI Affiliation Data
Dr. Diane W. Lefcort is affiliated with 1 site of care and 1 medical group
Dr. Lefcort's primary practice is Eastern State Hospital in Medical Lake, Washington, part of State of Washington Government. The medical group on file is Eastern State Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diane W. Lefcort's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lefcort practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eastern State Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diane W. Lefcort is one of 2,689 internists in Washington
Internal medicine is Dr. Lefcort's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lefcort is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Lefcort
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. Diane W. Lefcort billed Medicare for 73 services in 2024
CMS data shows 73 Medicare services from Dr. Lefcort across 2 procedure codes in 2024, for 24 Medicare patients. Medicare paid $3,617 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lefcort's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 02024: 73
- Tests and treatments
- 2023: 132024: 0100%
Dr. Lefcort compared with the Washington median for internists, 2024
- Dr. Lefcort
- Washington median
- Medicare services
- 73vs 36480% below
- Medicare patients
- 24vs 16585% below
- Part D claims
- 29vs 18284% below
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Lefcort'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. Lefcort and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane W. Lefcort treated 24 Medicare patients in 2024, average age 48
CMS counts 24 Medicare patients who saw Dr. Lefcort in 2024. 75% of them have schizophrenia and other psychoses, and 63% have anxiety. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lefcort's median patient age at 74, with 60% women.
Chronic conditions among Dr. Lefcort's Medicare patients, 2024
- Schizophrenia and other psychoses75%
- Anxiety63%
- Alcohol and drug use disorders58%
- Mood disorders58%
- High blood pressure50%
- Bipolar disorder46%
- Tobacco use46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lefcort's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diane W. Lefcort wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Lefcort wrote 52 Medicare Part D claims. 98% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $393 in total drug cost. In 2017, CMS named 16 claims across 1 drug.
Dr. Lefcort's Part D claims by kind of drug, 2024
- Generic51 claims98%
- Brand-name and other1 claims2%
Dr. Lefcort's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2022
- 2017
- 2022
- Claims for drugs CMS names
- 2017: 162022: 2981%
Drugs named by CMS: 2 in 2022, 1 in 2017.
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. Diane W. Lefcort received $55 in industry payments from 2016 to 2019
CMS Open Payments shows 4 general payments to Dr. Lefcort from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $16.
General payments to Dr. Lefcort by program year, 2016 to 2019
Companies that paid Dr. Lefcort the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Diane W. Lefcort'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 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) |
| 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. Diane W. Lefcort
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. Diane W. Lefcort's NPI number?
Dr. Diane W. Lefcort's NPI number is 1619933561. It was assigned on April 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane W. Lefcort?
Dr. Diane W. Lefcort is an internist in Medical Lake, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diane W. Lefcort practice?
Dr. Lefcort practices at 850 Maple Street - P O Box a, Medical Lake, WA 99022. Dr. Lefcort's primary practice is Eastern State Hospital in Medical Lake, Washington, part of State of Washington Government.
What is Dr. Diane W. Lefcort's office phone number?
The practice phone on file for Dr. Lefcort is (509) 565-4000.
What is Dr. Diane W. Lefcort's medical license number?
Dr. Lefcort holds Washington license MD00040390.
Which hospitals is Dr. Diane W. Lefcort affiliated with?
Dr. Lefcort practices at Eastern State Hospital in Medical Lake, Washington.
What medical group is Dr. Diane W. Lefcort part of?
Dr. Lefcort is linked to Eastern State Hospital.
Does Dr. Diane W. Lefcort accept Medicare?
Yes. CMS data shows Dr. Lefcort billed Medicare for 73 services in 2024.
How many Medicare patients does Dr. Diane W. Lefcort see?
CMS counts 24 Medicare patients who saw Dr. Lefcort in 2024, with an average age of 48.
What services does Dr. Diane W. Lefcort bill to Medicare?
In 2024, Dr. Lefcort's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99231).
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What drugs does Dr. Diane W. Lefcort prescribe most?
In 2022 Medicare Part D data, Dr. Lefcort's most prescribed drugs by claims were Ibuprofen and Ketoconazole.
Has Dr. Diane W. Lefcort received payments from drug or device companies?
CMS Open Payments shows $55 in general payments to Dr. Lefcort from 4 companies from 2016 to 2019. The largest total came from Neurocrine BioSciences, Inc.
How long has Dr. Diane W. Lefcort been practicing?
Dr. Lefcort's NPI was assigned in 2006.
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