Robert Merz, M.D.
NPI 1770580102 · Cardiovascular Disease Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Merz, M.D. is a Cardiovascular Disease Physician provider in Santa Monica, CA (NPI 1770580102).
Provider details
- NPI number
- 1770580102
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G49684 (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
562 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 | 136 | $218 |
| Heart Muscle Strain Imaging93356 | 100 | $41 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 56 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $137 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 37 | $189 |
| Technetium Tc-99m Sestamibi, Diagnostic, Per Study Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 99 | 31 |
| Atorvastatin Calcium | 96 | 26 |
| Metoprolol Succinate | 65 | 19 |
| Amlodipine Besylate | 57 | 16 |
| Apixabanbrand: Eliquis | 49 | 11 |
| Ezetimibe | 41 | 11 |
| Irbesartan | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$300 across 14 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
- 2005-06-30
- Last updated
- 2021-07-27
- Certified
- 2021-07-27
Frequently asked questions
- What is Robert Merz's NPI number?
- Robert Merz's National Provider Identifier (NPI) is 1770580102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Merz's specialty?
- Robert Merz is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Merz located?
- Robert Merz's practice location on file with NPPES is 2001 Santa Monica Blvd Ste 280w, Santa Monica, CA 90404-2172.
- What is Robert Merz's phone number?
- The practice phone number listed in the NPPES registry for Robert Merz is (310) 829-7678.
- Does Robert Merz accept Medicare?
- Robert Merz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Merz's NPI active?
- Yes — Robert Merz's NPI (1770580102) is active in the NPPES registry as of the last update on 2021-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.