Mark Lahtinen, DO
NPI 1285291740 · Family Medicine Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lahtinen, DO is a Family Medicine Physician provider in Spokane, WA (NPI 1285291740).
Provider details
- NPI number
- 1285291740
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OP61086567 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
659 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 284 | $126 |
| 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'SG2211 | 194 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 94 | $89 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 45 | $119 |
| Hemoglobin A1c Level83036 | 22 | $10 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 261 | 86 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 239 | 74 |
| Levothyroxine Sodium | 195 | 61 |
| Lisinopril | 194 | 55 |
| Losartan Potassium | 191 | 62 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 155 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,057 across 153 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-21
- Last updated
- 2022-07-01
- Certified
- 2022-06-23
Frequently asked questions
- What is Mark Lahtinen's NPI number?
- Mark Lahtinen's National Provider Identifier (NPI) is 1285291740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lahtinen's specialty?
- Mark Lahtinen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lahtinen located?
- Mark Lahtinen's practice location on file with NPPES is 220 E Rowan Ave Ste 300, Spokane, WA 99207-1203.
- What is Mark Lahtinen's phone number?
- The practice phone number listed in the NPPES registry for Mark Lahtinen is (509) 498-3554.
- Does Mark Lahtinen accept Medicare?
- Mark Lahtinen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lahtinen's NPI active?
- Yes — Mark Lahtinen's NPI (1285291740) is active in the NPPES registry as of the last update on 2022-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.