Quick answers
- Does Zachary Haberman accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary Haberman 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 Zachary Haberman see?
- In 2024, CMS data shows 695 Original Medicare patients and 1,283 services for Zachary Haberman. This counts Original Medicare only and measures volume, not quality.
- What is Zachary Haberman's NPI number?
- 1831553171. 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 Zachary Haberman, 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 | 695 |
|---|---|
| Services billed to Medicare | 1,283 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)435 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)366 services
- Critical care, first 30-74 minutes (99291)193 services
- Emergency department visit with moderate level of medical decision making (99284)81 services
- Ultrasound of heart, follow-up (93308)42 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%
- Diabetes45%
- Arthritis45%
- Chronic kidney disease43%
- Ischemic heart disease38%
Hospitals where Zachary Haberman works
Medicare's Facility Affiliation Data lists Zachary Haberman 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.
- NorthBay Medical CenterFairfield, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050367
- PeaceHealth Southwest Medical CenteVancouver, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 500050
- St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050084
Practice locations
Addresses where Zachary Haberman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1200 B Gale Wilson BlvdFairfield, CA 94533 (707) 429‑3600
- 1800 N California StStockton, CA 95204 (209) 467‑6556
- 600 NE 92nd AveVancouver, WA 98664 (360) 514‑2142
Group practices
Medicare enrollment lists Zachary Haberman as a member of these groups (CMS data updated October 2, 2026).
- NorthBay Physicians Surgery Center, LLC324 clinicians in the group
- San Francisco Physicians International Medical Group Inc41 clinicians in the group
- Emergency Medicine Associates PC38 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CA — not a recommendation.
Other clinicians in NorthBay Physicians Surgery Center, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831553171 |
| 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