Marco Diaz, M.D.
NPI 1629000302 · Cardiovascular Disease Physician · Scarborough, ME
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marco Diaz, M.D. is a Cardiovascular Disease Physician provider in Scarborough, ME (NPI 1629000302).
Provider details
- NPI number
- 1629000302
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD15173 (ME)
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
19 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
164 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 40 | $69 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 33 | $8 |
| Critical Care, First 30-74 Minutes99291 | 24 | $214 |
| 3d Radiographic Procedure76376 | 21 | $10 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 17 | $120 |
| Heart Muscle Strain Imaging93356 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$408 across 4 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
- 2006-07-06
- Last updated
- 2015-01-26
Frequently asked questions
- What is Marco Diaz's NPI number?
- Marco Diaz's National Provider Identifier (NPI) is 1629000302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marco Diaz's specialty?
- Marco Diaz is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Marco Diaz located?
- Marco Diaz's practice location on file with NPPES is 96 Campus Drive, Scarborough, ME 04074.
- What is Marco Diaz's phone number?
- The practice phone number listed in the NPPES registry for Marco Diaz is (207) 885-9905.
- Does Marco Diaz accept Medicare?
- Marco Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marco Diaz's NPI active?
- Yes — Marco Diaz's NPI (1629000302) is active in the NPPES registry as of the last update on 2015-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.