Medical Services Officer
Everything OPM FedScope (June 2026) reports about the Medical Services Officer occupation series (code 9996): headcount, average salary, length of service, and pay comparison.
The verdict
Medical Services Officer is a smaller, specialized federal occupation: 53 employees (0.0% of the federal civilian workforce) in the Vessel Jobs Family (excluded From the Federal Wage System) family. At an average salary of n/a it pays below the federal average of $117,339, and headcount declined 1.9% from the prior period.
- Employees
- 53
- Share of workforce
- 0.0%
- Avg salary
- n/a
- Avg tenure
- 6.9 yrs
FedScope read on Medical Services Officer (thin series)
Federal agencies employ 53 people in the Medical Services Officer occupation (OPM code 9996), accounting for 0.0% of the total federal civilian workforce of 1,953,300 for the June 2026 reporting window. Headcount in this occupation moved down by -1.9% versus the prior period, though at this small a headcount, year-to-year swings can reflect a handful of hires or departures rather than a broad hiring trend.
The average salary for Medical Services Officer is n/a per year. Salaries moved down by 0.0% from the prior period, a small shift, within the range of normal year-to-year rounding rather than a broad pay-table change. Average length of service in this role is 6.9 years, a comparatively short average tenure, which can reflect faster turnover, a competitive private-sector alternative, or a newer program still building up its workforce.
Code 99, the Vessel Jobs Family (excluded From the Federal Wage System) family, is where the federal government classifies Medical Services Officer alongside 54 related occupations. Candidates browsing USAJOBS for Medical Services Officer postings should also review these sibling occupations in the Vessel Jobs Family (excluded From the Federal Wage System) family.
Medical Services Officer makes up 0.8% of the 6,786 employees across the Vessel Jobs Family (excluded From the Federal Wage System) family, ranking #37 of 55 occupations in that family by headcount.
Salary context · lean-pay series
How Medical Services Officer pay compares to the federal average of $117,339
Occupation Average
n/a
Federal Average
$117,339
vs. Federal Avg
-100.0%
Where Medical Services Officer ranks on lean federal pay
Its average salary of n/a is higher than 0% of federal occupation series (0 of 541). The highlighted bar marks where Medical Services Officer sits in the federal pay distribution.
Average-salary distribution across all 541 federal occupation series; Medical Services Officer ranks higher than 0%.
Related Occupations in Vessel Jobs Family (excluded From the Federal Wage System)
10 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| Steward Utilityman | 646 | n/a | 5.1 yrs |
| Ordinary Seaman | 619 | $42,990 | 2.5 yrs |
| Able Seaman-Maintenance | 556 | n/a | 11.2 yrs |
| Wiper | 449 | $42,656 | 2.9 yrs |
| Able Seaman | 338 | $51,760 | 12.1 yrs |
| Engine Utilityman | 283 | n/a | 8.5 yrs |
| Third Officer | 249 | n/a | 4.2 yrs |
| Boatswain's Mate | 199 | $60,969 | 16.9 yrs |
| Assistant Storekeeper | 194 | n/a | 6.1 yrs |
| Second Assistant Engineer | 186 | $107,628 | 13.5 yrs |
Nationwide peers near this thin headcount
Two peer sets for Medical Services Officer outside the Vessel Jobs Family (excluded From the Federal Wage System) family, on headcount and average salary axes that vary across all OPM occupation series.
Similar thin headcount
Nearest employee counts in other occupation families (53 here).
Similar lean average salary
Nearest average salaries in other occupation families (n/a here).
Key takeaways
- Medical Services Officer pays below the federal average by 100.0% (n/a vs $117,339 federal-wide), at the 0th percentile for pay among 541 tracked occupation series.
- A smaller, specialized federal occupation by headcount: 53 employees, 0.0% of the federal civilian workforce, and headcount declined 1.9% from the prior period.
- According to OPM FedScope June 2026, Medical Services Officer ranks #537 of 663 federal occupation series by headcount (the same employee_count ordering as our occupations directory).
- Medical Services Officer makes up 0.8% of the 6,786 employees across the Vessel Jobs Family (excluded From the Federal Wage System) family, ranking #37 of 55 occupations in that family by headcount.
OPM FedScope and Federal Workforce Data figures are federal civilian headcounts, average salaries, and length-of-service statistics - not job-quality scores, hiring advice, or a live vacancy listing. A larger or higher-paid agency is not a better employer.