Labcorp at 591 REDWOOD HWY FRONTAGE RD, SUITE 2100, MILL VALLEY, CA
Labcorp patient service center, 9 miles from downtown San Francisco. Open Mon–Fri 7:00AM – 3:30PM. Order your tests on TestWell, choose Labcorp at checkout, and walk in with the emailed requisition and a photo ID — no doctor's visit, referral or insurance; results post to your portal in 1–3 business days. Address, phone and hours were read from the lab's listing on November 13, 2026.
- Address
- 591 REDWOOD HWY FRONTAGE RD, SUITE 2100, MILL VALLEY, CA 94941
- Phone
- 415-520-4844
- Appointment
- Walk-ins at most sites · book on Labcorp's site to skip the wait
Hours at Labcorp, 591 REDWOOD HWY FRONTAGE RD
As listed by the lab on November 13, 2026; confirm before a holiday or Saturday visit.
| Monday | 7:00AM – 3:30PM |
|---|---|
| Tuesday | 7:00AM – 3:30PM |
| Wednesday | 7:00AM – 3:30PM |
| Thursday | 7:00AM – 3:30PM |
| Friday | 7:00AM – 3:30PM |
How to get a blood test at this Labcorp location
- Choose your tests and check out, picking Labcorp as your lab. A licensed physician authorizes the order, usually within minutes, and the requisition is emailed to you — one $6 lab processing fee per order, nothing to pay here.
- Come to 591 REDWOOD HWY FRONTAGE RD, SUITE 2100 during the hours above with the requisition (on your phone is fine) and a photo ID. Fasting tests are easiest first thing in the morning.
- Results post to your TestWell portal in 1–3 business days with reference ranges and a physician review; download the report to share with your own doctor.
Popular tests drawn at Labcorp in San Francisco — prices at Labcorp
The tests California customers order most, September 2025 – September 2026, priced for a Labcorp draw. Plus one $6 fee per order.
| Test | Price at Labcorp | Share of orders |
|---|---|---|
| IGF-1 (Insulin-like Growth Factor)at Labcorp: test number | $37.99 | 8.3% |
| Tuberculosis (TB) Blood Testat Labcorp: test number | $91.99 | 7.5% |
| Comprehensive Metabolic Panelat Labcorp: test number | $22.99 | 6.7% |
| Lipid Panelat Labcorp: test number | $24.99 | 5% |
| Essential Health Panel | $189.99 | 4.2% |
| Hemoglobin A1cat Labcorp: test number | $22.99 | 4.2% |
More tests drawn here, with the Labcorp test number
- Thyroid Panel with TSH at Labcorp$46.99
- Thyroid Antibodies Test at Labcorp$51.99
- Thyroid Peroxidase (TPO) Antibodies Test at Labcorp$26.99
- Free T3 Test (Triiodothyronine) at Labcorp$30.99
- Reverse T3 Test at Labcorp$35.99
- Testosterone Test (Total) at Labcorp$43.99
- Free & Total Testosterone Test at Labcorp$74.99
- Free & Total Testosterone + SHBG Test at Labcorp$94.99
Other locations near 591 REDWOOD HWY FRONTAGE RD, SUITE 2100
- Quest Diagnostics0.8 mi
447 Miller Ave, Mill Valley, CA 94941
Weekdays 7:00AM – 3:30PM
- Quest Diagnostics3.6 mi
1000 S Eliseo Dr, Ste 100, Greenbrae, CA 94904
Weekdays 7:00AM – 3:30PM
- Labcorp8.5 mi
2100 Webster St, Ste 309, San Francisco, CA 94115
Weekdays 7:00AM – 3:00PM
- Labcorp8.7 mi
2233 Post St, Ste 105, San Francisco, CA 94115
Weekdays 7:00AM – 3:00PM
- Quest Diagnostics8.7 mi
2201 Post St, San Francisco, CA 94115
Weekdays 7:00AM – 11:00AM & 12:00PM – 4:00PM
- Labcorp9 mi
728 Pacific Ave, Ste 401, San Francisco, CA 94133
Weekdays 7:30AM – 3:30PM
Frequently asked questions
- What are the hours at Labcorp 591 REDWOOD HWY FRONTAGE RD in MILL VALLEY?
- Mon–Fri 7:00AM – 3:30PM (as listed by the lab on 2026-11-13). Hours change around holidays — confirm before a Saturday or early-morning visit at 415-520-4844.
- Do I need an appointment at Labcorp 591 REDWOOD HWY FRONTAGE RD?
- Most Labcorp patient service centers take walk-ins, and Labcorp lets you book a time slot on its site, which shortens the wait at busy locations. Bring a photo ID and your requisition — through TestWell it arrives by email within minutes of the physician's authorization, and it is accepted here as written.
- Can I get blood work at this Labcorp location without a doctor?
- Yes, with a requisition: Labcorp draws what a requisition orders but does not write orders. Order on TestWell — a licensed physician in our network authorizes it as part of the price, with one $6 lab processing fee per order — choose Labcorp at checkout, and walk in here. No insurance, referral or office visit; HSA and FSA cards are accepted.
- How much does a blood test cost at Labcorp in MILL VALLEY?
- Through TestWell the price is the test's listed price plus one $6 fee per order, with nothing to pay at the draw. For example, IGF-1 (Insulin-like Growth Factor) is $37.99, Tuberculosis (TB) Blood Test is $91.99, Comprehensive Metabolic Panel is $22.99 drawn at Labcorp. Ordered through a doctor and billed to insurance, your share depends on your plan.
- What is the phone number for Labcorp 591 REDWOOD HWY FRONTAGE RD, MILL VALLEY?
- 415-520-4844. Phone and hours were read from the lab's listing on 2026-11-13.