Aaron G Lewis, MD
General Surgery (CMS) · South Pasadena, CA
At a glance
209 Fair Oaks Ave, South Pasadena, CA 91030-1814
Published activity: Colonoscopy · Hernia repair (minimally invasive) · Melanoma (skin cancer) excision. View counts and coverage
NPPES record updated Nov 12, 2020. 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
209 Fair Oaks AveSouth Pasadena, CA 91030-1814
Additional reported practice locations
301 W Huntington DrArcadia, CA 910073462
Phone: 6262189840
Fax: 6262189860 1500 Duarte Rd
Duarte, CA 910103012
Phone: 6262564673
Education & affiliations
- Medical / professional school
- Medical College Of Wisconsin
- Graduation year
- 2008
- CMS specialties
- General Surgery
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Huntington Hospital Pasadena, CA
- Pih Health Hospital-Whittier Whittier, CA
- Usc Arcadia Hospital Arcadia, 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 |
|---|---|
| Colonoscopy | 1-10 |
| Hernia repair (minimally invasive) | 1-10 |
| Melanoma (skin cancer) excision | 18 |
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.
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 | $951.69 |
Reporting companies
| Company | Amount |
|---|---|
| INTEGRA LIFESCIENCES CORPORATION | $951.69 |
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 (CMS)
- Taxonomy code
- 2086X0206X
- Enumeration date
- Aug 6, 2009
- Record updated
- Nov 12, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
208600000X
License reported: A112252 CA
2086X0206X · Primary
License reported: A112252 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
209 Fair Oaks AveSouth Pasadena, CA 91030-1814
- Phone
- (626) 775-3514
Mailing address
PO BOX 512185LOS ANGELES, CA 900510185
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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