Provider Profile
Olga A. McLellan is a nurse practitioner based in Charlestown, MA. Olga is a 2019 graduate of Georgetown University School of Medicine. According to Medicare claims data, Olga cared for 85 Medicare patients across 127 services. The services billed most often include telephone medical discussion with physician, 21-30 minutes, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and insertion of needle into vein for collection of blood sample.
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.
15 TUFTS ST
Charlestown, MA 02129
127 services · 85 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
23 | Less often than most peers in Nurse Practitioner |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
74 | More often than most peers in Nurse Practitioner |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
30 | 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.
Olga A. McLellan is a nurse practitioner in Charlestown, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Olga A. McLellan is listed at 15 Tufts St, Charlestown, MA 02129. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (857) 238-1100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Olga A. McLellan's National Provider Identifier is 1942834858. 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
Olga A. McLellan attended Georgetown University School of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
Olga A. McLellan has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Olga A. McLellan performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. 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 Olga A. McLellan. 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.