Physician Profile
Unclaimed ProfileAbout O'BRIEN
Catherine M O'Brien, FNP is a nurse practitioner based in Watertown, NY. Catherine is also listed as specializing in nurse practitioner — family. Medicare claims data shows Catherine provided 19,661 services to 1,897 patients.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (315) 786-1924
- Email not available
Practice Locations
26495 STATE ROUTE 3
Watertown, NY 13601
Procedures Most Often Billed to Medicare
19,661 services · 1,897 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
291 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
173 |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
161 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
61 |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
57 |
| Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm | Procedure | 11606 |
33 |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
16 |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
13 |
| Application of light with debridement to destroy precancer skin growth | Treatment | 96574 |
86 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
29 |
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 1
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 Watertown 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. O'Brien's specialty?
Dr. O'Brien is a nurse practitioner in Watertown, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where can I find Dr. O'Brien?
Dr. O'Brien is listed at 26495 STATE ROUTE 3, Watertown, NY 13601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Brien?
The number on file is (315) 786-1924. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. O'Brien?
Dr. O'Brien's National Provider Identifier is 1154330751. 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 Dr. O'Brien's medical education?
Dr. O'Brien attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. O'Brien have?
Dr. O'Brien has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Dr. O'Brien known for?
According to Medicare billing data, Dr. O'Brien performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth; provides treatments such as application of light with debridement to destroy precancer skin growth and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. O'Brien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.