Physician Profile
Charles S. Mills, MD is a healthcare provider in Worcester, MA specializing in hospice & palliative medicine. Charles trained at Tufts University School of Medicine, graduating in 1979. Charles is also listed as specializing in internal medicine. According to Medicare claims data, Charles cared for 1,154 Medicare patients across 3,220 services. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, and subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 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.
630 PLANTATION ST
Worcester, MA 01605
3,220 services · 1,154 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
1,510 | More than most peers in Hospice & Palliative Medicine |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
457 | More than most peers in Hospice & Palliative Medicine |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
425 | More than most peers in Hospice & Palliative Medicine |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
282 | More than most peers in Hospice & Palliative Medicine |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
161 | More than most peers in Hospice & Palliative Medicine |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
111 | More often than most peers in Hospice & Palliative Medicine |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
109 | More often than most peers in Hospice & Palliative Medicine |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
101 | More than most peers in Hospice & Palliative Medicine |
| Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | Office visit | 99347 |
64 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Mills is a hospice & palliative medicine in Worcester, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Mills is listed at 630 Plantation St, Worcester, MA 01605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (508) 595-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Mills's National Provider Identifier is 1831165190. 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
Dr. Mills attended Tufts University School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mills has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mills 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 Dr. Mills. 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.