Provider Profile
Mark S. Farnum, PAC is a physician assistant practicing in Marshfield, MA. Medicare claims data shows Mark provided 551 services to 136 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, hospital discharge day management, 30 minutes or less, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
50 TUPELO RD
Marshfield, MA 02050
551 services · 136 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
496 | More than most peers in Physician Assistant |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
31 | More often than most peers in Physician Assistant |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
24 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mark S. Farnum is a physician assistant in Marshfield, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mark S. Farnum is listed at 50 Tupelo Rd, Marshfield, MA 02050. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (781) 837-9030. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mark S. Farnum's National Provider Identifier is 1841365319. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Mark S. Farnum has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Mark S. Farnum the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mark S. Farnum. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.