Quick answers
- Does Martin H. Yang accept Medicare assignment?
- Yes. Medicare's clinician data says Martin H. Yang 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 Martin H. Yang see?
- In 2024, CMS data shows 920 Original Medicare patients and 1,038 services for Martin H. Yang. This counts Original Medicare only and measures volume, not quality.
- What is Martin H. Yang's NPI number?
- 1104321447. 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 Martin H. Yang, 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 | 920 |
|---|---|
| Services billed to Medicare | 1,038 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)460 services
- Emergency department visit with high level of medical decision making (99285)361 services
- Critical care, first 30-74 minutes (99291)125 services
- Emergency department visit with low level of medical decision making (99283)24 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%
- Arthritis54%
- Ischemic heart disease46%
- Diabetes32%
- Anxiety32%
Hospitals where Martin H. Yang works
Medicare's Facility Affiliation Data lists Martin H. Yang 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.
- Bayhealth Hospital, Sussex CampusMilford, DE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 080009
- Tidalhealth Nanticoke, Inc.Seaford, DE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 080006
- University of MD Shore Medical Center at EastonEaston, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210037
Practice locations
Addresses where Martin H. Yang is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Brown StChestertown, MD 21620 (410) 778‑3300
- 640 S State St, Bayhealth Emergency Physicians KghDover, DE 19901 (302) 744‑6156
- 801 Middleford RdSeaford, DE 19973 (410) 270‑0837
Group practices
Medicare enrollment lists Martin H. Yang as a member of these groups (CMS data updated October 2, 2026).
- Bayhealth Emergency Physicians LLC87 clinicians in the group
- Chester River Hospital Center28 clinicians in the group
- Emergency Service Associates PA28 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Chestertown
Clinicians with the same Medicare primary specialty in Chestertown, MD — not a recommendation.
Other clinicians in Bayhealth Emergency Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kentucky College Of Medicine |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104321447 |
| 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