Ashish H. Kalthia, MD

Medicare activity in 2024

Official CMS public-use data for Ashish H. Kalthia, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)646 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)527 services
3. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)227 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)163 services
5. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)84 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%
• Diabetes75%
• Chronic kidney disease75%
• Heart failure71%
• Ischemic heart disease58%

Hospitals where Ashish H. Kalthia works

Medicare's Facility Affiliation Data lists Ashish H. Kalthia 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.

• AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050226
• Anaheim Global Medical CenterAnaheim, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050744
• Coastal Communities HospitalSanta Ana, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050747
• Garden Grove Hospital & Medical CenterGarden Grove, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050230
• Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224

Practice locations

Addresses where Ashish H. Kalthia is enrolled with Medicare (CMS data updated October 2, 2026).

• 12665 Garden Grove Blvd, Suite 211Garden Grove, CA 92843 (714) 636‑2890

Group practices

Medicare enrollment lists Ashish H. Kalthia as a member of this group (CMS data updated October 2, 2026).

• Southern California Kidney Consultants Inc21 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in California →

Other nephrologists in Garden Grove

Clinicians with the same Medicare primary specialty in Garden Grove, CA — not a recommendation.

• An Q. Dang, MD
• Asha R. Ravikumar, MD
• Peter Sohn, MD
• Nancy Hernandez, DO
• Jiten Mehta, DO
• Rohini Singh, DO
• Alexander T. Cheung, MD
• Tania Vashistha, MD

All nephrologists in Garden Grove →

Other clinicians in Southern California Kidney Consultants Inc

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

• Asha R. Ravikumar, MD
• Peter Sohn, MD
• Henry Yuan, MD
• Mohammad Ismail, MD
• Nausheen B. Ali, MD
• Ramani Nathan, MD

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