Quick answers
- Does Ramanna Merla accept Medicare assignment?
- Yes. Medicare's clinician data says Ramanna Merla 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 Ramanna Merla see?
- In 2024, CMS data shows 1,021 Original Medicare patients and 4,830 services for Ramanna Merla. This counts Original Medicare only and measures volume, not quality.
- What is Ramanna Merla's NPI number?
- 1336343912. 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 Ramanna Merla, 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 | 1,021 |
|---|---|
| Services billed to Medicare | 4,830 |
| Different services or procedures | 84 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)818 services
- Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)795 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)636 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)541 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)532 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%
- Diabetes51%
- Heart failure51%
- Arthritis50%
- Ischemic heart disease45%
Hospitals where Ramanna Merla works
Medicare's Facility Affiliation Data lists Ramanna Merla 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.
- Casa Colina HospitalPomona, CA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 050782
- Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050231
- San Antonio Regional HospitalUpland, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050099
Practice locations
Addresses where Ramanna Merla is enrolled with Medicare (CMS data updated October 2, 2026).
- 1330 San Bernardino Rd, Suite LUpland, CA 91786 (909) 833‑7556
- 1798 N Garey AvePomona, CA 91767 (909) 865‑9500
- 1866 N Orange Grove Ave, Suite 102Pomona, CA 91767 (909) 629‑3062
- 8330 Red Oak St, Suite 201Rancho Cucamonga, CA 91730 (909) 987‑2528
Group practices
Medicare enrollment lists Ramanna Merla as a member of these groups (CMS data updated October 2, 2026).
- Chaparral Medical Group Inc65 clinicians in the group
- Realm Healthcare Inc2 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Upland
Clinicians with the same Medicare primary specialty in Upland, CA — not a recommendation.
Other clinicians in Chaparral Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336343912 |
| 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