Quick answers
- Does Tatyana Grinchenko accept Medicare assignment?
- Yes. Medicare's clinician data says Tatyana Grinchenko 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 Grinchenko see?
- In 2024, CMS data shows 268 Original Medicare patients and 33,412 services for Tatyana Grinchenko. This counts Original Medicare only and measures volume, not quality.
- What is Tatyana Grinchenko's NPI number?
- 1770627713. 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 Grinchenko, 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 | 268 |
|---|---|
| Services billed to Medicare | 33,412 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)3,840 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)3,076 services
- Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg (J7322)1,848 services
- Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle (96401)601 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)351 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%
- Osteoporosis53%
- Diabetes42%
- Ischemic heart disease38%
Hospitals where Tatyana Grinchenko works
Medicare's Facility Affiliation Data lists Tatyana Grinchenko 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.
- Chilton Medical CenterPompton Plains, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310017
- Englewood Hospital and Medical CenterEnglewood, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310045
- St Joseph's University Medical Center IncPaterson, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 310019
Practice locations
Addresses where Tatyana Grinchenko is enrolled with Medicare (CMS data updated October 2, 2026).
- 224 Hamburg TpkeWayne, NJ 07470 (973) 942‑6900
- 506 Hamburg Tpke, Suite 201Wayne, NJ 07470 (201) 282‑8356
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770627713 |
| 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