Are you Caitlyn E. O'Brien, FNP-BC? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Caitlyn E. O'Brien, FNP-BC
- Stoneham location main office
3 Woodland Rd Ste 217, Stoneham, MA 02180 - Leominster location
79 Erdman Way Ste 101, Leominster, MA 01453
About Caitlyn O'brien
Listed in the NPI registry as a nurse practitioner — family, Caitlyn E. O'Brien, FNP-BC practices in Stoneham, MA. According to Medicare claims data, Caitlyn cared for 154 Medicare patients across 1,156 services. The services billed most often include test for allergy using skin patch, professional service for multiple injections of allergen, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1962100446 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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) 395-2922
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
3 WOODLAND RD STE 217
Stoneham, MA 02180
79 Erdman Way Ste 101
Leominster, MA 01453
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
- Medicare annual wellness visit
- Travel Vaccines for Kids
- Well-child visit
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
- Allergy testing
Diagnostic tests
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
1,156 services · 154 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using skin patch | Treatment | 95044 |
950 | Too few peers to compare |
| Professional service for multiple injections of allergen | Treatment | 95117 |
105 | As often as other peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
58 | As often as other peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
43 | Less often than most peers in Nurse Practitioner, Family |
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 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.
Other nurse practitioners in Stoneham 8
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using skin patch 1
Providers in MA who bill this service to Medicare most often.
Common questions
What is Caitlyn E. O'Brien's specialty?
Caitlyn E. O'Brien is a nurse practitioner in Stoneham, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Caitlyn E. O'Brien?
Caitlyn E. O'Brien is listed at 3 Woodland Rd Ste 217, Stoneham, MA 02180. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Caitlyn E. O'Brien?
The number on file is (781) 395-2922. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Caitlyn E. O'Brien's NPI number?
Caitlyn E. O'Brien's National Provider Identifier is 1962100446. 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
What is Caitlyn E. O'Brien's education?
Caitlyn E. O'Brien attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Caitlyn E. O'Brien been practicing?
Caitlyn E. O'Brien has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What is Caitlyn E. O'Brien known for?
According to Medicare billing data, Caitlyn E. O'Brien provides treatments such as test for allergy using skin patch and professional service for multiple injections of allergen, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Caitlyn E. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Caitlyn E. O'Brien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.