Quick answers
- Does Tatyana Marx accept Medicare assignment?
- Yes. Medicare's clinician data says Tatyana Marx 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 Tatyana Marx see?
- In 2024, CMS data shows 1,181 Original Medicare patients and 12,530 services for Tatyana Marx. This counts Original Medicare only and measures volume, not quality.
- What is Tatyana Marx's NPI number?
- 1164686960. 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 Tatyana Marx, 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 | 1,181 |
|---|---|
| Services billed to Medicare | 12,530 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)4,572 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,471 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)628 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)353 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)274 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%
- Stroke or mini-stroke75%
- Arthritis56%
- Ischemic heart disease45%
- Diabetes44%
Hospitals where Tatyana Marx works
Medicare's Facility Affiliation Data lists Tatyana Marx 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.
- Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310076
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015
- Newton Medical CenterNewton, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310028
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051
- Saint Clare's Hospital/ Denville CampusDenville, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310050
Practice locations
Addresses where Tatyana Marx is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Galloping Hill RdUnion, NJ 07083 (973) 292‑0999
- 101 Madison Ave, Suite 304Morristown, NJ 07960 (973) 292‑0999
Group practices
Medicare enrollment lists Tatyana Marx as a member of this group (CMS data updated October 2, 2026).
- Neurology Specialists of Morris County, LLC2 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Other clinicians in Neurology Specialists of Morris County, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164686960 |
| 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