Mattheus Ramsis
NPI 1609225135 · Cardiovascular Disease Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mattheus Ramsis is a Cardiovascular Disease Physician provider in San Diego, CA (NPI 1609225135).
Provider details
- NPI number
- 1609225135
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 267616 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,006 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 | 180 | $70 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 146 | $192 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 121 | $15 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 100 | $232 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 99 | $207 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 231 | 100 |
| Rosuvastatin Calcium | 177 | 78 |
| Ezetimibe | 135 | 52 |
| Atorvastatin Calcium | 122 | 52 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 86 | 27 |
| Apixabanbrand: Eliquis | 84 | 29 |
| Nitroglycerin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$173 across 9 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
Additional practice locations (1)
- 75 Francis StBoston, MA 02115-6110Phone: (617) 732-5775
Registry dates
- Enumerated
- 2016-06-06
- Last updated
- 2023-07-31
- Certified
- 2023-07-31
Frequently asked questions
- What is Mattheus Ramsis's NPI number?
- Mattheus Ramsis's National Provider Identifier (NPI) is 1609225135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mattheus Ramsis's specialty?
- Mattheus Ramsis is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mattheus Ramsis located?
- Mattheus Ramsis's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Mattheus Ramsis's phone number?
- The practice phone number listed in the NPPES registry for Mattheus Ramsis is (800) 926-8273.
- Does Mattheus Ramsis accept Medicare?
- Mattheus Ramsis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mattheus Ramsis's NPI active?
- Yes — Mattheus Ramsis's NPI (1609225135) is active in the NPPES registry as of the last update on 2023-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.