Quick answers
- Does Duncan W. Lahtinen accept Medicare assignment?
- Yes. Medicare's clinician data says Duncan W. Lahtinen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Duncan W. Lahtinen see?
- In 2024, CMS data shows 283 Original Medicare patients and 1,966 services for Duncan W. Lahtinen. This counts Original Medicare only and measures volume, not quality.
- What is Duncan W. Lahtinen's NPI number?
- 1407877491. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Duncan W. Lahtinen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 283 |
|---|---|
| Services billed to Medicare | 1,966 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)786 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)450 services
- Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)106 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)86 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)74 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Diabetes34%
- Chronic kidney disease28%
- COPD27%
Hospitals where Duncan W. Lahtinen works
Medicare's Facility Affiliation Data lists Duncan W. Lahtinen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Prov Sacred HRT Medical Center & Childs HospitalSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500054
- Providence Holy Family HospitalSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500077
Practice locations
Addresses where Duncan W. Lahtinen is enrolled with Medicare (CMS data updated October 2, 2026).
- 220 E Rowan Ave, Suite 300Spokane, WA 99207 (509) 489‑3554
Group practices
Medicare enrollment lists Duncan W. Lahtinen as a member of this group (CMS data updated October 2, 2026).
- Doctors Clinic of Spokane9 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Spokane
Clinicians with the same Medicare primary specialty in Spokane, WA — not a recommendation.
Other clinicians in Doctors Clinic of Spokane
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | College Of Osteo Med Of The Pacific At Pomona |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407877491 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians