Guy Lemire, M.D.
NPI 1689632614 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Lemire, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Long Beach, CA (NPI 1689632614).
Provider details
- NPI number
- 1689632614
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A31562 (CA)
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
27 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) |
|---|---|---|
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 16 | $286 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 2 Grafts33518 | 11 | $63 |
Typical Medicare-allowed amounts for these services range $63–$286 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2015-11-12
Frequently asked questions
- What is Guy Lemire's NPI number?
- Guy Lemire's National Provider Identifier (NPI) is 1689632614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Lemire's specialty?
- Guy Lemire is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Lemire located?
- Guy Lemire's practice location on file with NPPES is 5122 Marina Pacifica Dr S # 18, Long Beach, CA 90803-3822.
- What is Guy Lemire's phone number?
- The practice phone number listed in the NPPES registry for Guy Lemire is (562) 972-1998.
- Does Guy Lemire accept Medicare?
- Guy Lemire is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Lemire's NPI active?
- Yes — Guy Lemire's NPI (1689632614) is active in the NPPES registry as of the last update on 2015-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.