Provider Profile
Gretchen O'Brien, N.P.
Unclaimed ProfileAbout Gretchen O'brien
Gretchen O'Brien, N.P. is a nurse practitioner based in Needham, MA. Medicare claims data shows Gretchen provided 567 services to 508 patients. The services billed most often include programming of dual lead pacemaker system, 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) 453-7750
- Email not available
Practice Locations
148 CHESTNUT ST
Needham, MA 02492
185 Pilgrim Rd Baker 4
Boston, MA 02215
Procedures Most Often Billed to Medicare
567 services · 508 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Programming of dual lead pacemaker system | Treatment | 93280 |
227 | More than most peers in Nurse Practitioner |
| Programming of multiple lead implantable defibrillator system | Treatment | 93284 |
20 | As often as other peers in Nurse Practitioner |
| Programming of dual lead implantable defibrillator system | Treatment | 93283 |
18 | As often as other peers in Nurse Practitioner |
| Programming of single lead implantable defibrillator system | Treatment | 93282 |
18 | Too few peers to compare |
| Programming of single lead pacemaker system | Treatment | 93279 |
13 | Less 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 |
130 | More often than most 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 |
113 | More often than most 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 |
28 | As often as other 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.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other nurse practitioners in Needham 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Programming of dual lead pacemaker system 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Gretchen O'Brien specialize in?
Gretchen O'Brien is a nurse practitioner in Needham, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Gretchen O'Brien located?
Gretchen O'Brien is listed at 148 Chestnut St, Needham, MA 02492. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gretchen O'Brien's phone number?
The number on file is (781) 453-7750. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Gretchen O'Brien?
Gretchen O'Brien's National Provider Identifier is 1013220961. 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 Gretchen O'Brien train?
Gretchen O'Brien attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gretchen O'Brien have?
Gretchen O'Brien has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Gretchen O'Brien do most often?
According to Medicare billing data, Gretchen O'Brien provides treatments such as programming of dual lead pacemaker system and programming of multiple lead implantable defibrillator system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gretchen O'Brien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gretchen 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.