Quick answers
- Does Christian S. Muller accept Medicare assignment?
- Yes. Medicare's clinician data says Christian S. Muller 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 Christian S. Muller see?
- In 2024, CMS data shows 297 Original Medicare patients and 6,371 services for Christian S. Muller. This counts Original Medicare only and measures volume, not quality.
- What is Christian S. Muller's NPI number?
- 1225520059. 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 Christian S. Muller, 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 | 297 |
|---|---|
| Services billed to Medicare | 6,371 |
| Different services or procedures | 61 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)4,602 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)233 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)183 services
- Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)97 services
- X-ray of knee, 3 views (73562)60 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%
- Arthritis75%
- Diabetes36%
- Ischemic heart disease29%
- Anxiety22%
Hospitals where Christian S. Muller works
Medicare's Facility Affiliation Data lists Christian S. Muller 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.
- Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330267
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330261
Practice locations
Addresses where Christian S. Muller is enrolled with Medicare (CMS data updated October 2, 2026).
- 45 Crossways Park Dr WWoodbury, NY 11797 (516) 422‑8080
Group practices
Medicare enrollment lists Christian S. Muller as a member of this group (CMS data updated October 2, 2026).
- True North Medical Group PC188 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in True North Medical Group PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Touro Un Col Of Osteopathic Medicine, New York |
| 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) | 1225520059 |
| 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