Quick answers
- Does Xiang-Yang Guo accept Medicare assignment?
- Yes. Medicare's clinician data says Xiang-Yang Guo 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 Xiang-Yang Guo see?
- In 2024, CMS data shows 653 Original Medicare patients and 905 services for Xiang-Yang Guo. This counts Original Medicare only and measures volume, not quality.
- What is Xiang-Yang Guo's NPI number?
- 1245282508. 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 Xiang-Yang Guo, 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 | 653 |
|---|---|
| Services billed to Medicare | 905 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)238 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)147 services
- Biopsy of large bowel using a flexible endoscope (45380)124 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)69 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)54 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 pressure69%
- Arthritis47%
- Anxiety26%
- Ischemic heart disease24%
- Depression22%
Hospitals where Xiang-Yang Guo works
Medicare's Facility Affiliation Data lists Xiang-Yang Guo 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.
- Falmouth HospitalFalmouth, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220135
Practice locations
Addresses where Xiang-Yang Guo is enrolled with Medicare (CMS data updated October 2, 2026).
- 90 Ter Heun Dr, Suite 302Falmouth, MA 02540 (508) 495‑7160
Group practices
Medicare enrollment lists Xiang-Yang Guo as a member of this group (CMS data updated October 2, 2026).
- Medical Affiliates of Cape Cod Inc229 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Other clinicians in Medical Affiliates of Cape Cod Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245282508 |
| 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