Erwyn C. Ong, MD

Medicare activity in 2024

Official CMS public-use data for Erwyn C. Ong, 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 high level of medical decision making, if using time, 40 minutes or more (99215)414 services
2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)51 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
4. Fine needle aspiration biopsy using ultrasound guidance, first growth (10005)11 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 cholesterol67%
• High blood pressure62%
• Diabetes46%
• Arthritis46%
• Osteoporosis38%
• Chronic kidney disease24%

Hospitals where Erwyn C. Ong works

Medicare's Facility Affiliation Data lists Erwyn C. Ong 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.

• Presbyterian HospitalAlbuquerque, NM · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 320021
• Presbyterian Santa Fe Medical CenterSanta Fe, NM · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 320090

Practice locations

Addresses where Erwyn C. Ong is enrolled with Medicare (CMS data updated October 2, 2026).

• 2200 W 21st StClovis, NM 88101 (505) 769‑7577
• 2400 Unser Blvd SERio Rancho, NM 87124
• 4100 High Resort Blvd SERio Rancho, NM 87124
• 8300 Constitution Ave NEAlbuquerque, NM 87110

Group practices

Medicare enrollment lists Erwyn C. Ong as a member of this group (CMS data updated October 2, 2026).

• Presbyterian Healthcare Services1,395 clinicians in the group

Specialties

• Endocrinologyprimary
• Internal Medicinealso

Find other Endocrinology doctors in New Mexico →

Other endocrinologists in New Mexico

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

• Madhavi Garimella, MD
• Jeremy M. Gleeson, MD
• Ivan Pinon, MD
• Neal Friedman, MD
• Kristen M. Gonzales, MD
• Christina M. Lovato, MD
• Aparimita Lahiri, MD
• David A. Podolsky, MD

All endocrinologists in New Mexico →

Other clinicians in Presbyterian Healthcare Services

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

• Brooke Defillippo, PA
• Michael J. Ortiz Torres, MD
• Timothy A. Huerena, MD
• Yashvin Onkarappa Mangala, MD
• Abigail M. Gilbert-Savi
• Manisha V. Patel, DO

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