Quick answers
- Does Chang Ching D. Lin accept Medicare assignment?
- Yes. Medicare's clinician data says Chang Ching D. Lin 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 Chang Ching D. Lin see?
- In 2024, CMS data shows 976 Original Medicare patients and 3,076 services for Chang Ching D. Lin. This counts Original Medicare only and measures volume, not quality.
- What is Chang Ching D. Lin's NPI number?
- 1558348821. 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 Chang Ching D. Lin, 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 | 976 |
|---|---|
| Services billed to Medicare | 3,076 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)798 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)707 services
- 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)676 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)197 services
- Nerve conduction, 7-8 studies (95910)172 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 pressure73%
- Arthritis59%
- Anxiety28%
- Diabetes27%
- Ischemic heart disease27%
Hospitals where Chang Ching D. Lin works
Medicare's Facility Affiliation Data lists Chang Ching D. Lin 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.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210057
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
Practice locations
Addresses where Chang Ching D. Lin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 11110 Medical Campus RdHagerstown, MD 21742
- 1201 Seven Locks Rd, Suite 101Rockville, MD 20854 (301) 562‑7200
- 187 Thomas Johnson DrFrederick, MD 21702
- 187 Thomas Johnson Dr, Suite 6Frederick, MD 21702
- 2021 K St NWWashington, DC 20006 (301) 562‑7200
Group practices
Medicare enrollment lists Chang Ching D. Lin as a member of these groups (CMS data updated October 2, 2026).
- Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
- Meritus Medical Center Inc743 clinicians in the group
- Amber Hill Physical Therapy Inc334 clinicians in the group
- The Neurology Center27 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Hagerstown
Clinicians with the same Medicare primary specialty in Hagerstown, MD — not a recommendation.
Other clinicians in Suburban/Nrh Medical Rehabilitation Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558348821 |
| 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