Rajiv J. Pathak, MD

Medicare activity in 2024

Official CMS public-use data for Rajiv J. Pathak, 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.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,525 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)186 services
3. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)104 services
4. Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)95 services
5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)35 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 cholesterol75%
• High blood pressure70%
• Arthritis40%
• Diabetes37%
• Ischemic heart disease19%
• Osteoporosis18%

Hospitals where Rajiv J. Pathak works

Medicare's Facility Affiliation Data lists Rajiv J. Pathak 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.

• Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603

Practice locations

Addresses where Rajiv J. Pathak is enrolled with Medicare (CMS data updated October 2, 2026).

• 32585 Golden Lantern St, Suite EDana Point, CA 92629 (949) 240‑2555

Group practices

Medicare enrollment lists Rajiv J. Pathak as a member of this group (CMS data updated October 2, 2026).

• Memorialcare Medical Foundation566 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Frank J. Rose, MD
• Jarod K. Duvall, MD
• Cindy H. Su, MD
• Jill Schwartz-Chevlin, MD
• Yalda Azarmehr, MD
• Steven N. Cho, MD
• Andrew B. Liu, DO
• Anusha Bhargavi Pinjala, MD

All internal medicine doctors in California →

Other clinicians in Memorialcare Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Manish P. Shrestha, MD
• Sohee Chung, DO
• Barry Klein, MD
• Whitney Ngo, DO
• Joshua D. Snodgrass, MD
• Nora R. Ali, NP

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians