Mazen Hashisho, M.D.
General Surgery · Thoracic Surgery · Vascular Surgery (CMS) · Aptos, CA
At a glance
3275 Aptos Rancho Rd Ste 1A, Aptos, CA 95003-3971
Published activity: Leg revascularization (restoring blood flow) · Removal of tissue · Varicose vein removal. View counts and coverage
NPPES record updated Sep 29, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
3275 Aptos Rancho Rd Ste 1AAptos, CA 95003-3971
Additional reported practice locations
798 Cass St Ste 201Monterey, CA 939402918
Phone: 8313180010
Fax: 8313180407 221 E Romie Ln
Salinas, CA 939013127
Phone: 8313180010
Fax: 8313180407 242 E Romie Ln
Salinas, CA 939013128
Phone: 8313180010
Fax: 8313180407
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 1998
- CMS specialties
- General Surgery · Thoracic Surgery · Vascular Surgery
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Dominican Hospital Santa Cruz, CA
- Natividad Medical Center Salinas, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Leg revascularization (restoring blood flow) | 86 |
| Removal of tissue | 1-10 |
| Varicose vein removal | 186 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Advance Care Plan
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_047_overall. Collection type: REG. Measure denominator: 314.
- Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_226_performance. Collection type: REG. Measure denominator: 23.
- Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
- 35%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_317_overall. Collection type: REG. Measure denominator: 1986.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Long-term medical supply or device loan | $30,000.00 |
| Food and beverage | $1,501.61 |
Reporting companies
| Company | Amount |
|---|---|
| ANGIODYNAMICS, INC. | $30,000.00 |
| BARD PERIPHERAL VASCULAR, INC. | $470.04 |
| BOSTON SCIENTIFIC CORPORATION | $252.37 |
| BECTON, DICKINSON AND COMPANY | $182.09 |
| REFLOW MEDICAL INC | $181.80 |
| TACTILE SYSTEMS TECHNOLOGY INC | $97.29 |
| BIOVENTUS LLC | $89.99 |
| MEDTRONIC, INC. | $60.67 |
| Other reporting companies | $167.36 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- General Surgery · Thoracic Surgery · Vascular Surgery (CMS)
- Taxonomy code
- 2086S0129X
- Enumeration date
- Aug 21, 2007
- Record updated
- Sep 29, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2086S0129X
License reported: MD441265 PA
2086S0129X
License reported: 002845 NY
2086S0129X · Primary
License reported: A94329 CA
208G00000X
License reported: A94329 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3275 Aptos Rancho Rd Ste 1AAptos, CA 95003-3971
- Phone
- (831) 318-0010
- Fax
- (831) 318-0407
Mailing address
3275 APTOS RANCHO RD STE 1AAPTOS, CA 950033971
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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