Michael Longo, MD
NPI 1508838467 · Cardiovascular Disease Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Longo, MD is a Cardiovascular Disease Physician provider in Seattle, WA (NPI 1508838467).
Provider details
- NPI number
- 1508838467
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00037280 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,175 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 448 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 433 | $71 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 325 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 218 | $141 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 200 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 613 | 206 |
| Apixabanbrand: Eliquis | 535 | 137 |
| Atorvastatin Calcium | 326 | 117 |
| Rosuvastatin Calcium | 301 | 104 |
| Amlodipine Besylate | 215 | 66 |
| Atenolol | 210 | 67 |
| Furosemide | 161 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-06
- Last updated
- 2011-08-31
Frequently asked questions
- What is Michael Longo's NPI number?
- Michael Longo's National Provider Identifier (NPI) is 1508838467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Longo's specialty?
- Michael Longo is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Longo located?
- Michael Longo's practice location on file with NPPES is 1100 9th Ave, Seattle, WA 98101-2756.
- What is Michael Longo's phone number?
- The practice phone number listed in the NPPES registry for Michael Longo is (206) 223-6600.
- Does Michael Longo accept Medicare?
- Michael Longo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Longo's NPI active?
- Yes — Michael Longo's NPI (1508838467) is active in the NPPES registry as of the last update on 2011-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.