Cynthia Shaff Chin, MD

Medicare activity in 2024

Official CMS public-use data for Cynthia Shaff Chin, 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 moderate level of decision making, if using time, 30 minutes or more (99214)76 services
2. 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)30 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)18 services
4. Insertion of needle into vein for collection of blood sample (36415)16 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)16 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 cholesterol57%
• High blood pressure48%
• Arthritis31%
• Osteoporosis30%
• Depression25%
• Anxiety22%

Hospitals where Cynthia Shaff Chin works

Medicare's Facility Affiliation Data lists Cynthia Shaff Chin 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.

• Legacy Good Samaritan Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380017
• OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009
• Providence Milwaukie HospitalMilwaukie, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 380082
• Providence Portland Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380061
• Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380004

Practice locations

Addresses where Cynthia Shaff Chin is enrolled with Medicare (CMS data updated October 2, 2026).

• 6327 SE Milwaukie AvePortland, OR 97202 (503) 659‑4988

Group practices

Medicare enrollment lists Cynthia Shaff Chin as a member of this group (CMS data updated October 2, 2026).

• Northwest Primary Care Group PC47 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Oregon →

Other family doctors in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

• Brigit A. Hatch, MD
• Thea Dennis-Arends, MD
• Rebecca M. Cleeton, DO
• Robert L. Wells, MD
• Roxanne Thomas, MD
• Stuart J. Currie, MD
• Teresa E. Bair, DO
• Shannon R. Ehleringer

All family doctors in Portland →

Other clinicians in Northwest Primary Care Group PC

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

• Alexis B. De Lucca, MD
• Magdalene Gyuricska, MD
• Barry B. Rhodes, MD
• Michelle S. Alberts, MD
• Joanne Wu, MD
• Leslie A. Bryden, 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