Quick answers
- Does Mara R. Giattina accept Medicare assignment?
- Yes. Medicare's clinician data says Mara R. Giattina accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mara R. Giattina see?
- In 2024, CMS data shows 875 Original Medicare patients and 2,505 services for Mara R. Giattina. This counts Original Medicare only and measures volume, not quality.
- What is Mara R. Giattina's NPI number?
- 1578521548. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mara R. Giattina, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 875 |
|---|---|
| Services billed to Medicare | 2,505 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)676 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)555 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)388 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)355 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)148 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease41%
- Arthritis39%
- Osteoporosis27%
- Atrial fibrillation24%
Hospitals where Mara R. Giattina works
Medicare's Facility Affiliation Data lists Mara R. Giattina at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007
- Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
Practice locations
Addresses where Mara R. Giattina is enrolled with Medicare (CMS data updated October 2, 2026).
- 1300 Crane StMenlo Park, CA 94025 (650) 498‑6500
Group practices
Medicare enrollment lists Mara R. Giattina as a member of this group (CMS data updated October 2, 2026).
- University Healthcare Alliance327 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in University Healthcare Alliance
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578521548 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians