Gregory John Robertson, MD
Emergency Medicine · Templeton, CA
At a glance
1100 Las Tablas Rd, Templeton, CA 93465-9704
NPPES record updated Dec 28, 2022. 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
1100 Las Tablas RdTempleton, CA 93465-9704
Additional reported practice locations
217 W Central Ave Ste GLompoc, CA 934362830
Phone: 8057354292 1992 Old Mission Dr Ste 140
Solvang, CA 934632302
Phone: 8056145690 2271 S Depot St
Santa Maria, CA 934551216
Phone: 8059220561 1102 E Clark Ave Ste 120A
Santa Maria, CA 934555175
Phone: 8053328185 877 Oak Park Blvd
Pismo Beach, CA 934493292
Phone: 8054748450 5920 West Mall
Atascadero, CA 934224232
Phone: 8054660676
Education & affiliations
No matching clinician background record in the imported CMS release.
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.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
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 |
|---|---|
| Food and beverage | $307.59 |
Reporting companies
| Company | Amount |
|---|---|
| JANSSEN PHARMACEUTICALS, INC | $143.75 |
| BAYER HEALTHCARE PHARMACEUTICALS INC. | $76.01 |
| SUMITOMO PHARMA AMERICA, INC. | $30.14 |
| AZURITY PHARMACEUTICALS, INC. | $29.88 |
| CYCLE PHARMACEUTICALS INC | $27.81 |
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
- Emergency Medicine
- Taxonomy code
- 207P00000X
- Enumeration date
- May 5, 2006
- Record updated
- Dec 28, 2022
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- GREG J. ROBERTSON
- Reported credentials
- MD
Reported taxonomies and licenses
207PE0004X
License reported: A76912 CA
207P00000X · Primary
License reported: A76912 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1100 Las Tablas RdTempleton, CA 93465-9704
- Phone
- (805) 434-3500
Mailing address
877 OAK PARK BLVDPISMO BEACH, CA 934493292
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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