A California NAD+ comparison needs a regional frame. Los Angeles, San Diego, San Francisco, and Sacramento are distinct starting points, and a statewide provider page does not establish an office or appointment near you.

The city directory can narrow the geography, while the state medical and osteopathic board links help verify the clinician. Use both before treating brand recognition or a national starting price as enough information to book.

Choose a region before comparing a membership

Use Los Angeles and San Diego as separate Southern California searches, and San Francisco or Sacramento for a northern starting point. For a recurring clinic membership, compare the specific office you would use, not every office in a brand’s network. Ask whether included services and prices vary by location.

Define what local supervision actually includes

An office visit, mobile service, and home prescription can place different demands on the clinical team. Ask who evaluates you, who administers an infusion if offered, and where follow-up occurs. Injection versus IV guidance distinguishes the settings without assuming that direct administration proves a wellness benefit.

Use the board that matches the credential

California has separate medical and osteopathic medical boards in the FSMB directory. Match the MD or DO credential to the appropriate regulator and check the individual record. If a service uses other licensed professionals, ask which regulator covers their role. A California business registration or an attractive clinic website is not the same verification.

Professional verification in California

Start with the resource appropriate to the treating professional’s credential. These are regulator links, not confirmation that a particular provider is licensed or available.

Check the dispensing pharmacy through the state pharmacy board directory. Ask the care team to confirm the arrangement for your physical location. If a direct board link changes, use the FSMB directory to find its current resource.

Sources & reading notes

Editorial source review updated September 19, 2026. Provider pages describe their own offers; inclusion does not verify a product or its results.

  1. US Census Bureau: 2025 Gazetteer files Place names, geographic identifiers, land areas and internal-point coordinates. Distances on this site are calculated straight-line estimates.
  2. FSMB: contact a state medical board Directory for checking clinician licensing with the relevant board.
  3. NABP: state boards of pharmacy Directory for checking pharmacy credentials.
  4. HHS: licensing across state lines Explains patient-location checks and several possible licensure pathways. This guidance does not establish any individual provider’s eligibility.
  5. FDA: compounding questions and answers Explains that compounded drugs are not FDA-approved.