Quick answers
- Does Jascha A. Wollank accept Medicare assignment?
- Yes. Medicare's clinician data says Jascha A. Wollank 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 Jascha A. Wollank see?
- In 2024, CMS data shows 403 Original Medicare patients and 1,575 services for Jascha A. Wollank. This counts Original Medicare only and measures volume, not quality.
- What is Jascha A. Wollank's NPI number?
- 1093068454. 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 Jascha A. Wollank, 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 | 403 |
|---|---|
| Services billed to Medicare | 1,575 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)545 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)432 services
- Hospital discharge day management, more than 30 minutes (99239)162 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)147 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)140 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%
- Arthritis65%
- Chronic kidney disease48%
- Ischemic heart disease46%
- Diabetes42%
Hospitals where Jascha A. Wollank works
Medicare's Facility Affiliation Data lists Jascha A. Wollank 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.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
- Hoag Orthopedic InstituteIrvine, CA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 050769
Practice locations
Addresses where Jascha A. Wollank is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Hoag DrNewport Beach, CA 92663 (877) 742‑4624
- 16200 Sand Canyon AveIrvine, CA 92618 (877) 742‑4624
Group practices
Medicare enrollment lists Jascha A. Wollank as a member of this group (CMS data updated October 2, 2026).
- Pacific Hospitalist Associates a Medical Corporation93 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Other clinicians in Pacific Hospitalist Associates a Medical Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093068454 |
| 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