Quick answers
- Does Oren Ambalu accept Medicare assignment?
- Yes. Medicare's clinician data says Oren Ambalu 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 Oren Ambalu see?
- In 2024, CMS data shows 365 Original Medicare patients and 20,999 services for Oren Ambalu. This counts Original Medicare only and measures volume, not quality.
- What is Oren Ambalu's NPI number?
- 1649618026. 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 Oren Ambalu, 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 | 365 |
|---|---|
| Services billed to Medicare | 20,999 |
| Different services or procedures | 65 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)11,973 services
- Injection, onabotulinumtoxina, 1 unit (J0585)3,100 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,550 services
- Injection, bupivicaine, not otherwise specified, 0.5 mg (J0665)1,343 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)385 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%
- Ischemic heart disease34%
- Anxiety33%
- Diabetes31%
Practice locations
Addresses where Oren Ambalu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1561 Route 9wLake Katrine, NY 12449 (845) 231‑5600
Group practices
Medicare enrollment lists Oren Ambalu as a member of this group (CMS data updated October 2, 2026).
- Optum Medical Care PC1,010 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Optum Medical Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649618026 |
| 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