Quick answers
- Does Nilufer A. Guleyupoglu accept Medicare assignment?
- Yes. Medicare's clinician data says Nilufer A. Guleyupoglu 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 Nilufer A. Guleyupoglu see?
- In 2024, CMS data shows 346 Original Medicare patients and 4,906 services for Nilufer A. Guleyupoglu. This counts Original Medicare only and measures volume, not quality.
- What is Nilufer A. Guleyupoglu's NPI number?
- 1013998996. 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 Nilufer A. Guleyupoglu, 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 | 346 |
|---|---|
| Services billed to Medicare | 4,906 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)3,936 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)267 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)171 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)64 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)53 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%
- Arthritis69%
- Depression54%
- Ischemic heart disease52%
- Anxiety52%
Practice locations
Addresses where Nilufer A. Guleyupoglu is enrolled with Medicare (CMS data updated October 2, 2026).
- 20 E 46th St, Rm 304New York, NY 10017 (646) 679‑1100
Specialties
Find other Physical Medicine and Rehabilitation doctors in New York →
Other rehabilitation doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 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) | 1013998996 |
| 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
- 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