Provider Profile
Karen E. Peterson, NP is a nurse practitioner practicing in Leominster, MA. Medicare claims data shows Karen provided 181 services to 119 patients. The services billed most often include residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
48 NELSON STREET
Leominster, MA 01453
181 services · 119 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
86 | As often as other peers in Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
48 | Less often than most peers in Nurse Practitioner |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
18 | Less often than most peers in Nurse Practitioner |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | Billing code | G0180 |
16 | Less often than most peers in Nurse Practitioner |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
13 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Karen E. Peterson is a nurse practitioner in Leominster, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Karen E. Peterson is listed at 48 Nelson Street, Leominster, MA 01453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (978) 466-4396. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Karen E. Peterson's National Provider Identifier is 1003877911. 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
Karen E. Peterson 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, Karen E. Peterson 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 Karen E. Peterson. 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.