Dr. Lesley F. Althouse, MD
- Medicare services, 2021
- 325
- Part D claims, 2022
- 125
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1100 9th Ave, Seattle, WA 98101-2756
- Practice phone
- Call (206) 223-6600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Seattle Extracorporeal
Multi-specialty group site · Seattle, Washington
Find Dr. Althouse'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.
Dr. Lesley F. Althouse is an internist in Cleveland, Ohio
Dr. Althouse practices at Seattle Extracorporeal in Seattle, Washington.
Dr. Althouse's NPI, 1669402608, was assigned on July 4, 2006. Dr. Althouse holds Washington license MD00022976.
- NPI
- 1669402608NPI Registry (opens in a new tab)
- NPI enumeration date
- July 4, 2006
- NPI status
- Active
- Practice phone
- (206) 223-6600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lesley F. Althouse practices in Seattle and Cleveland
Dr. Althouse's primary practice is Seattle Extracorporeal, at 1100 9th Ave, Seattle, WA 98101-2756. The practice phone is (206) 223-6600. The NPI Registry lists Dr. Althouse's practice address as 9500 Euclid Ave, Cleveland, OH 44106.
- Seattle ExtracorporealPrimary1100 9th Ave, Seattle, WA 98101-2756Phone(206) 223-6600
- NPI Registry address9500 Euclid Ave, Cleveland, OH 44106 · Cuyahoga CountyPhone(206) 223-6600
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Lesley F. Althouse is affiliated with 1 site of care and 1 medical group
Dr. Althouse's primary practice is Seattle Extracorporeal in Seattle, Washington. Dmand AI also links Dr. Althouse to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Lesley F. Althouse's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Althouse practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Seattle Extracorporeal | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Lesley F. Althouse is one of 4,708 internists in Ohio
Internal medicine is Dr. Althouse's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Althouse is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Althouse
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. Lesley F. Althouse billed Medicare for 325 services in 2021
CMS data shows 325 Medicare services from Dr. Althouse across 6 procedure codes in 2021. Medicare paid $24,791 for them.
Dr. Althouse's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 2272021: 2343%
- Other services
- 2020: 522021: 6321%
- Surgery
- 2020: 282021: 28No change
Where Dr. Althouse's Medicare services took place, 2021
- In an office289%
- In a facility29791%
Dr. Althouse compared with the Ohio median for internists, 2021
- Dr. Althouse
- Ohio median
- Medicare services
- 325vs 48733% below
- Part D claims
- 125vs 29457% below
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Althouse's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Althouse?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Althouse and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lesley F. Althouse's patients have a median age of 84
Across all payers, Dmand AI patient panel data puts Dr. Althouse's median patient age at 84, with 86% women.
Dr. Althouse's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women86%
- Men14%
Source: Dmand AI Patient Panel Data
Dr. Lesley F. Althouse wrote 125 Medicare Part D claims in 2022
In 2022, Dr. Althouse wrote 125 Medicare Part D claims. They cover 9 drugs, with $2,530 in total drug cost. In 2021, CMS named 969 claims across 41 drugs.
Dr. Althouse'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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 9692022: 12587%
Drugs named by CMS: 9 in 2022, 41 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Lesley F. Althouse'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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. Lesley F. Althouse
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. Lesley F. Althouse's NPI number?
Dr. Lesley F. Althouse's NPI number is 1669402608. It was assigned on July 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lesley F. Althouse?
Dr. Lesley F. Althouse is an internist in Cleveland, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lesley F. Althouse practice?
Dr. Althouse practices at 1100 9th Ave, Seattle, WA 98101-2756. Dr. Althouse also practices at 9500 Euclid Ave, Cleveland, OH 44106. Dr. Althouse's primary practice is Seattle Extracorporeal in Seattle, Washington. Dmand AI also links Dr. Althouse to 1 medical group.
What is Dr. Lesley F. Althouse's office phone number?
The practice phone on file for Dr. Althouse is (206) 223-6600.
What is Dr. Lesley F. Althouse's medical license number?
Dr. Althouse holds Washington license MD00022976.
Does Dr. Lesley F. Althouse accept Medicare?
Yes. CMS data shows Dr. Althouse billed Medicare for 325 services in 2021.
What services does Dr. Lesley F. Althouse bill to Medicare?
In 2021, Dr. Althouse's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
What drugs does Dr. Lesley F. Althouse prescribe most?
In 2022 Medicare Part D data, Dr. Althouse's most prescribed drugs by claims were Levothyroxine Sodium, Gabapentin and Atorvastatin Calcium.
How long has Dr. Lesley F. Althouse been practicing?
Dr. Althouse graduated from medical school in 1979, 47 years ago.
Selling to internal medicine practices?
See internists in Ohio by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card