Quick answers
- Which hospitals does Jon Oletsky work at?
- Medicare's official clinician data lists Jon Oletsky at 2 hospitals: Adventist Healthcare White Oak Medical Center and University of MD Baltimore Washington Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jon Oletsky see patients?
- Medicare's clinician data lists 2 practice locations, including Rockville, MD and Towson, MD. Call before your visit to confirm the address.
- What is Jon Oletsky's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Jon Oletsky accept Medicare assignment?
- Yes. Medicare's clinician data says Jon Oletsky accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Jon Oletsky?
- (301) 881-7770, as listed in official Medicare / NPI Registry data.
- What is Jon Oletsky's NPI number?
- 1437159472. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jon Oletsky works
Medicare's Facility Affiliation Data lists Jon Oletsky at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute Care Hospital · CCN 210016
- University of MD Baltimore Washington Medical CenterGlen Burnie, MD · Acute Care Hospital · CCN 210043
Practice locations
Addresses where Jon Oletsky is enrolled with Medicare (CMS data updated 2026-10-02).
- 11210 Old Georgetown RdRockville, MD 20852 (301) 881‑7770
- 8322 Bellona AveTowson, MD 21204
Group practices
Medicare enrollment lists Jon Oletsky as a member of this group (CMS data updated 2026-10-02).
- First Colonies Anesthesia Associates, LLC326 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437159472 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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