Guy Mayeda, M.D.
NPI 1952395493 · Interventional Cardiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Mayeda, M.D. is a Interventional Cardiology Physician provider in Los Angeles, CA (NPI 1952395493).
Provider details
- NPI number
- 1952395493
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G67048 (CA)
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
20 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
1,896 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 529 | $99 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 297 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 278 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 185 | $139 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 68 | $135 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 202 | 69 |
| Metoprolol Succinate | 197 | 65 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 197 | 65 |
| Rosuvastatin Calcium | 183 | 56 |
| Losartan Potassium | 172 | 56 |
| Amlodipine Besylate | 153 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,214 across 28 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
- 2005-09-09
- Last updated
- 2023-06-23
- Certified
- 2023-06-23
Frequently asked questions
- What is Guy Mayeda's NPI number?
- Guy Mayeda's National Provider Identifier (NPI) is 1952395493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Mayeda's specialty?
- Guy Mayeda is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Mayeda located?
- Guy Mayeda's practice location on file with NPPES is 1245 Wilshire Blvd, Los Angeles, CA 90017-4807.
- What is Guy Mayeda's phone number?
- The practice phone number listed in the NPPES registry for Guy Mayeda is (213) 977-7422.
- Does Guy Mayeda accept Medicare?
- Guy Mayeda is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Mayeda's NPI active?
- Yes — Guy Mayeda's NPI (1952395493) is active in the NPPES registry as of the last update on 2023-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.