A Study of Tirzepatide (LY3298176) in Participants With Type 2 Diabetes Not Controlled With Diet and Exercise Alone (opens in a new tab)
CompletedPhase 3
$1,914 in research paymentsDiabetes Mellitus, Type 2Diabetes MellitusTirzepatide
Dr. Eric John Klein, MD
NPI1083612568PAC ID5698665362
- Medicare services, 2024
- 3,975
- Medicare patients, 2024
- 327
- Part D claims, 2024
- 6,908
- Clinical trials
- 6
- Hospital affiliations
- 1
- Practice address
- 110 Delphi NW Rd, Olympia, WA 98502
- Practice phone
- Call (360) 352-2909
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
West Olympia Internal Medicine
Olympia, Washington
Find Dr. 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.
Dr. Eric John Klein is an internist in Olympia, Washington
Dr. Klein practices at West Olympia Internal Medicine in Olympia, Washington.
Dr. Klein's NPI, 1083612568, was assigned on July 8, 2005. Dr. Klein graduated from University of Washington School of Medicine in 1973. Dr. Klein holds Washington license MD00028885.
NPI and contact details
- NPI
- 1083612568NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698665362
- NPI enumeration date
- July 8, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 352-2909
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric John Klein practices at West Olympia Internal Medicine in Olympia, Washington
Dr. Klein's primary practice is West Olympia Internal Medicine, at 110 Delphi NW Rd, Olympia, WA 98502 in Thurston County. The practice phone is (360) 352-2909.
- West Olympia Internal Medicine110 Delphi NW Rd, Olympia, WA 98502 · Thurston CountyPhone(360) 352-2909
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eric John Klein is affiliated with 7 sites of care and 3 medical groups
Dr. Klein's primary practice is West Olympia Internal Medicine in Olympia, Washington. Dr. Klein is also affiliated with MultiCare Capital Medical Center. The medical group on file is West Olympia Internal Medicine. Dmand AI also links Dr. Klein to 3 more group practices and clinics, 2 home health agencies and 2 medical groups, each named with a free account.
West Olympia Internal MedicinePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Eric John Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| West Olympia Internal Medicine | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Eric John Klein is one of 2,689 internists in Washington
Internal medicine is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Klein is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
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. Eric John Klein billed Medicare for 3,975 services in 2024
CMS data shows 3,975 Medicare services from Dr. Klein across 18 procedure codes in 2024, for 327 Medicare patients. Medicare paid $208,519 for them. Every service was in an office.
Medicare services, 20243,975
Medicare patients327
Paid by Medicare$208,519
Procedure codes18
Dr. Klein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,0372024: 1,72016%
- Other services
- 2023: 6372024: 1,292103%
- Tests and treatments
- 2023: 6042024: 53711%
- Drugs given in the office
- 2023: 3972024: 25237%
- Lab and pathology
- 2023: 2272024: 12744%
- Surgery
- 2023: 1852024: 4775%
Dr. Klein compared with the Washington median for internists, 2024
- Dr. Klein
- Washington median
- Medicare services
- 3,975vs 36410.9 times
- Medicare patients
- 327vs 16598% above
- Part D claims
- 6,293vs 18234.6 times
Medians across 2,604 internists in Washington 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric John Klein treated 327 Medicare patients in 2024, average age 78
CMS counts 327 Medicare patients who saw Dr. Klein in 2024. The largest group is 75 to 84, with 153 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 75, with 46% women.
Medicare patients, 2024327
Average age78
Average risk score1.02
Dr. Klein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klein's Medicare patients by sex, 2024
- Women15246%
- Men17554%
Chronic conditions among Dr. Klein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes32%
- Chronic kidney disease29%
- Atrial fibrillation22%
- Ischemic heart disease21%
- Mood disorders20%
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 75
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric John Klein wrote 6,908 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 6,908 Medicare Part D claims for 341 patients. 82% of them were for generic drugs. CMS names the drug for 6,293 of them, across 109 drugs with 11 or more claims each, at $1,177,895 in total drug cost. In 2023, CMS named 5,783 claims across 100 drugs.
Part D claims, 20246,908
Drugs named by CMS109
Total drug cost$1.2M
Part D patients341
Dr. Klein's Part D claims by kind of drug, 2024
- Generic5,635 claims82%
- Brand-name1,192 claims17%
- Other81 claims1%
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%195 of 6,908 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: 5,7832024: 6,2939%
Drugs named by CMS: 109 in 2024, 100 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
Dr. Eric John Klein ranks in the 59th percentile for removal of skin lesions in Medicare
Dr. Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of removal of skin lesions by Dr. Klein, more than 59% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Klein ranks in Medicare procedure volume
- Removal of skin lesions
- 59th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Eric John Klein has worked on 6 clinical trials
Dmand AI links Dr. Klein to 6 clinical trials. Conditions studied include Diabetes Mellitus, Type 2, Diabetes Mellitus and Prediabetic State. Eli Lilly and Company sponsors the most, 6. Open Payments lists research payments to Dr. Klein that name 6 trials.
Conditions in Dr. Klein's trials
- Diabetes Mellitus, Type 2
- Diabetes Mellitus
- Prediabetic State
- Obesity
Investigators on the most trials with Dr. Klein
- Lisa B. Connery, MD6 shared trials
- Juan Pablo Frias, MD5 shared trials
- Stanley H. Hsia, MD5 shared trials
Recent clinical trials with Dr. Klein
$33,853 in research paymentsDiabetes Mellitus, Type 2Diabetes MellitusDulaglutide
$534 in research paymentsDiabetes Mellitus, Type 2Diabetes MellitusLY3502970Dulaglutide
$745 in research paymentsPrediabetic StateObesityTirzepatide
$4,292 in research paymentsDiabetes Mellitus, Type 2Diabetes MellitusSemaglutideTirzepatide
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric John Klein received $80,194 in industry payments from 2016 to 2025
CMS Open Payments shows 1,625 general payments to Dr. Klein from 58 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 43% of the total. AstraZeneca Pharmaceuticals LP paid the most, $36,863. It also lists 16 research payments totaling $47,024 from 2018 to 2023, naming 6 clinical trials.
General payments to Dr. Klein by program year, 2016 to 2025
General payments to Dr. Klein by kind, 2016 to 2025
$80.2Kin total
- Speaker and faculty fees$34,12043%
- Food and beverage$29,44737%
- Travel and lodging$8,44411%
- Consulting fees$7,4829%
- Other$7001%
Companies that paid Dr. Klein the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric John Klein graduated from University of Washington School of Medicine
Dr. Klein graduated from University of Washington School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric John 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Eric John 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. Eric John Klein's NPI number?
Dr. Eric John Klein's NPI number is 1083612568. It was assigned on July 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric John Klein?
Dr. Eric John Klein is an internist in Olympia, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Eric John Klein practice?
Dr. Klein practices at 110 Delphi NW Rd, Olympia, WA 98502. Dr. Klein's primary practice is West Olympia Internal Medicine in Olympia, Washington. Dmand AI also links Dr. Klein to 3 group practices and clinics, 2 home health agencies and 2 medical groups.
What is Dr. Eric John Klein's office phone number?
The practice phone on file for Dr. Klein is (360) 352-2909.
What is Dr. Eric John Klein's medical license number?
Dr. Klein holds Washington license MD00028885.
Which hospitals is Dr. Eric John Klein affiliated with?
Dr. Klein is affiliated with MultiCare Capital Medical Center.
What medical group is Dr. Eric John Klein part of?
Dr. Klein is linked to West Olympia Internal Medicine. Dmand AI links Dr. Klein to 2 more medical groups.
Does Dr. Eric John Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 3,975 services in 2024, and Dr. Klein accepts Medicare assignment.
How many Medicare patients does Dr. Eric John Klein see?
CMS counts 327 Medicare patients who saw Dr. Klein in 2024, with an average age of 78.
What services does Dr. Eric John Klein bill to Medicare?
In 2024, Dr. Klein's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Show 5 more questionsShow fewer questions
Where did Dr. Eric John Klein go to medical school?
Dr. Klein graduated from University of Washington School of Medicine in 1973.
What drugs does Dr. Eric John Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Ezetimibe.
Has Dr. Eric John Klein received payments from drug or device companies?
CMS Open Payments shows $80,194 in general payments to Dr. Klein from 58 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Eric John Klein been practicing?
Dr. Klein graduated from medical school in 1973, 53 years ago.
Does Dr. Eric John Klein do research?
Dr. Klein has worked on 6 clinical trials.
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