Quick answers
- Does Jeffrey S. Crespin accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey S. Crespin 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 Jeffrey S. Crespin see?
- In 2024, CMS data shows 109 Original Medicare patients and 546 services for Jeffrey S. Crespin. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey S. Crespin's NPI number?
- 1164421277. 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 Jeffrey S. Crespin, 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 | 109 |
|---|---|
| Services billed to Medicare | 546 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)99 services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)77 services
- Special stained specimen slides to examine tissue including interpretation and report (88313)48 services
- Special stained specimen slides to examine tissue, initial procedure (88342)33 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)22 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 pressure72%
- Arthritis42%
- Ischemic heart disease39%
- Diabetes38%
- Anxiety31%
Hospitals where Jeffrey S. Crespin works
Medicare's Facility Affiliation Data lists Jeffrey S. Crespin 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.
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330307
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330119
- St Barnabas HospitalBronx, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330399
Practice locations
Addresses where Jeffrey S. Crespin is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Dates DrIthaca, NY 14850 (607) 274‑4296
- 310 Taughannock Blvd, Suite 4Ithaca, NY 14850 (607) 269‑0100
- 4422 3rd AveBronx, NY 10457 (718) 960‑6214
- 4487 3rd AveBronx, NY 10457 (718) 960‑6392
Group practices
Medicare enrollment lists Jeffrey S. Crespin as a member of these groups (CMS data updated October 2, 2026).
- Cayuga Medical Associates PC282 clinicians in the group
- SBH Physicians PC175 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Ithaca
Clinicians with the same Medicare primary specialty in Ithaca, NY — not a recommendation.
Other clinicians in Cayuga Medical Associates PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164421277 |
| 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