GMO billets will be converted by then so the two years in the middle should not be an issue.
I just have to laugh a bit at this statement. GMO billets are not going anywhere. When you have a closed medical system like the military, you have to have someplace to send people who can't be trained in their desired specialty. If the Navy/Army/Air Force thinks that it only needs X people for a given specialty, and X+5 people apply...then 5 people will simply not train in that specialty, and have to do something else. For those that will not accept any other training, there will always be the 'out' of GMO for the duration of their payback, or until they accrue enough points in the GME system to get one of those coveted spots. Even in the Army, which "got rid of GMOs" nearly a decade ago, there are a startling number of internship-only trained physicians in service.
Are there any official military documents stating how you accumulate extra years with the longer residency? I've been searching but I can't find it, even though it's been referred to in SDN discussions.
How about the possibility for a civilian residency deferment? How common are they for surgery? This would take care of the case load to some extent, right?
That certainly changes things though!
Ok, here's the basic rundown for you. Your initial payback for HPSP is equal to the length of your scholarship. So, your basic 4-year scholarship incurs 4 years of Active Duty Service Obligation (and 4 years of IRR, but I'll get to that later). You also incur a service obligation based on the length of your residency, minus internship (PGY-1). These two service obligations are paid back concurrently, such that your total ADSO is equal to the greater of the two numbers (either GME years-1, or med school scholarship years).
Note, these examples and discussions here all assume you do a military residency, not civilian deferred (or sponsored). Also, I'm going to stay consistent with my choice of residency and fellowship for the examples, so the differences of the various paths are more readily evident.
Example 1: You take a 4-year scholarship, incuring a 4 year ADSO. Let's say that you match to Internal Medicine, which has 2 years of GME after PGY-1. Since 4 > 2, you have a total of 4 years of ADSO after residency. You will have spent 7 years in the military (1 + 2 + 4).
Example 2: You take a 4-year scholarship, incuring a 4 year ADSO. You match to Neurosurgery in the military (6 years, post PGY-1). Since 6 > 4, your total ADSO after residency is 6 years. You will have spent 13 years in the military by the time you are finished with your pay-back (1 + 6 + 6).
Now for IRR:
Your contract, regardless of the number of years that you get school paid for, is 8 years (4 years Active Duty, 4 years Individual Ready Reserve). If you finish your ADSO, and have spent less than 8 years Active Duty in the military, then the remaining time in your contract is served IRR. So, in above Example 1, you would get out of the active duty military, and still have one final year of IRR before your contract was up. In Example 2, your total active duty time exceeded your 8-year contract, so you have no further IRR, and are done once you finish your ADSO.
Fellowships:
These, I think, are handled a little bit differently by the different services. In the Army, you incur an additional service obligation equal to the length of fellowship training, with a minimum of 2 years. So, if you decide to do a CCM fellowship after an Anesthesiology residency (1 year fellowship), you would incur a 2 year service obligation (1 < 2). However, if you decided to do a Pulm/CCM fellowship (3 years) after an IM residency, then you would incur a 3 year service obligation (3 > 2). Now we get to the tricky part. This service obligation is added to your previous training obligation, and compared to your scholarship obligation. If you are able to train straight through, then whichever is greater, is your total ADSO.
Example 3: You're on a 4-year scholarship, decide to do IM, then Pulm/CCM, and manage to go straight through, without having to do a utilization tour. Your ADSO from residency is 2 years, plus 3 years from Pulm/CCM, for a total ADSO from training of 5 years. Since 5 > 4, you owe 5 years after fellowship training, and will have spent a total of 11 years in the military (1 + 2 + 3 + 5).
However, if you have to do a utilization tour between residency and fellowship, it gets interesting. The training obligation incurred is compared to your remaining service obligation, and the greater of the two becomes your new obligation.
Example 4: Same 4-year scholarship, same IM residency, but you had to do a 2 year utlization tour, before being allowed to start your Pulm/CCM fellowship. You initially had a 4-year ADSO after residency, but managed to pay back 2 of it with your utilization tour, leaving just 2 years. Pulm/CCM is a 3 year fellowship, and 3 > 2, so your new ADSO is 3 years after completion of fellowship training. You will have spent 11 years in the military (1 + 2 + 2 + 3 + 3).
Now, for IGD's example:
You started with a 4-year HPSP scholarship, weren't sure of what you wanted to do, so did an internship, followed by a 2-year GMO tour before starting your IM residency. The GMO tour reduced your initial ADSO from 4 to 2 years. The additional 2 years from the IM residency did not incur anything extra, so your ADSO remains 2 years. For some reason, you are not allowed to go straight into fellowship training, and must complete a 2 year utilization tour. At the end of this tour, your obligation to the Army has been filled. However, you decide to stay in, as they have promised you a coveted fellowship spot. The fellowship is 3 years, so you incur another 3 year ADSO. After this is paid back, you will have been in the military for 13 years (1 + 2 + 2 + 2 + 3 + 3).
Ok...one last example, and this one is more relevant to what you want.
Example 5:
You take a 4-year HPSP scholarship, then do General Surgery. I think all the GS residencies in the military now have a mandatory research year, so they are 5 years in length, after internship. So, you incur a 5 year ADSO from residency. You then do a 2 year utilization tour before being allowed to pursue CT surgery training (let's assume its at NCC, rather than civilian deferred or sponsored). You then complete the fellowship, and still owe 3 years ADSO (five years ADSO - 2 year payback > 2 years from fellowship). You will have spent 13 years in the military after you finish all training and service obligations (1 + 5 + 2 + 2 + 3).
I'm going to leave the issues of civilian deferrment and payback for someone else...I need to get to bed.