From what I'm reading, you're going the suppression logibro route.

A "logibro" is someone who uses the logistic suits with Repair Tools, Nanohives, or Nanite Injectors and is the "medic" sort. Picking people up, healing, resupplying. You meet a heavy, take care of him, and you can bet your ass that it's extremely likely that he'll throw himself in front of bullets for you. The logibro is a honorable role on the battlefield, and an experienced one can turn the tide of a firefight.

I can't offer a suggestion so much as I can knowledge.

If you're using a Mass Driver, save some skill points to get the EC-3 Assault variant. It works better for area denial and suppression. The increased splash radius, higher RoF, and larger ammo capacity make it ideal for a support role.

As for modules, if you plan on using your rep tool often, especially in the heat of combat, you'd want as much eHP as you can get: preferably without sacrificing too much speed. I'd say work on getting your shields up and add a basic plate and a KinCat to your low slots, but if you like having more eHP, another plate will work.

For grenades, stick to either Flux or AV. Fluxes are great for removing shields and your MD will only be more effective against armor. AV is another option just to be on the safe side considering that vehicles run rampant in most matches.

As for equipment, I like to keep uplinks on a separate fitting. For an MD build, you'd want a nanohive for personal use. Accompany that with a rep tool and an injector and you'll be doing wonders as a medic on the field.

i have been having success with repair tool, drop uplink, and nanite injector. i KNOW i should be running a suit with the other equipment options, and when i get some more experience with them, ill be sure to do that. i've been using a mass driver for some stalling and area of denial for my logi suit. most of the equipemnt mods are at lvl 1 and i dont have much access to much else. im looking for information for a general build or some tips at least for suit building. ive looked around online and havent really found much else other than "build for your playstyle" and "play in groups"; both things i have been doing....hmmm....anyone else with some suggestions?

that was my 3rd suit after Sniper & Heavy and I had wished I did it 1st....!!!!

stick with that for a while and build that isk & sp/wp.......

First: You will have a long road ahead of you.

If you want to be the guy who takes care of your squad/teammates, you better make your own survivability as high as possible.
For tactical logiism, you need the uplinks and nanohives as good as possible.
I might be in minority here but IMO the repair tool is quite good even at level 1 so I wouldn't concentrate on that first. But I rarely use one myself so take that with a grain of salt.

BUT if you have a heavy friend, upgrade that rep tool. Lvl 3 is good for it's cost ISK/SP-wise.