Provider Profile
Amy O'Brien, NP
Unclaimed ProfileAbout Amy O'brien
Amy O'Brien, NP is a nurse practitioner practicing in Lynnfield, MA. Amy is also listed as specializing in registered nurse and nurse practitioner — family. According to Medicare claims data, Amy cared for 339 Medicare patients across 434 services. The services billed most often include 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', established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
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.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (781) 213-4040
- Email not available
Practice Locations
1350 MARKET ST FL 2
Lynnfield, MA 01940
Procedures Most Often Billed to Medicare
434 services · 339 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
48 | As often as other 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 |
124 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
102 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
82 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
29 | As often as other peers in Nurse Practitioner |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Billing code | G0438 |
18 | As often as other peers in Nurse Practitioner |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
17 | Less often than most peers in Nurse Practitioner |
| Annual alcohol misuse screening, 5 to 15 minutes | Billing code | G0442 |
14 | 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Amy O'Brien?
Amy O'Brien is a nurse practitioner in Lynnfield, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Amy O'Brien's address?
Amy O'Brien is listed at 1350 Market St Fl 2, Lynnfield, MA 01940. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Amy O'Brien?
The number on file is (781) 213-4040. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Amy O'Brien's NPI number?
Amy O'Brien's National Provider Identifier is 1427782358. 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
Where did Amy O'Brien train?
Amy O'Brien attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Amy O'Brien been practicing?
Amy O'Brien has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Amy O'Brien perform?
According to Medicare billing data, Amy O'Brien 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
Has Amy O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Amy O'Brien. 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.