Kathryn O'Brien
NPI 1811472426 · Family Nurse Practitioner · Salem, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn O'Brien is a Family Nurse Practitioner provider in Salem, MA (NPI 1811472426).
Provider details
- NPI number
- 1811472426
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN2318509 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
793 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 501 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $78 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 46 | $6 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 33 | $111 |
| 2019-Ncov Coronavirus, Sars-Cov-2/2019-Ncov (covid-19), Any Technique, Multiple Types Or Subtypes (includes All Targets), Non-CdcU0002 | 30 | $50 |
| Automated Urinalysis Test |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 370 | 139 |
| Amlodipine Besylate | 217 | 86 |
| Lisinopril | 180 | 81 |
| Omeprazole | 177 | 74 |
| Levothyroxine Sodium | 164 | 61 |
| Metoprolol Succinate | 146 | 57 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-09-28
- Last updated
- 2024-09-13
- Certified
- 2024-09-13
Frequently asked questions
- What is Kathryn O'Brien's NPI number?
- Kathryn O'Brien's National Provider Identifier (NPI) is 1811472426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn O'Brien's specialty?
- Kathryn O'Brien is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn O'Brien located?
- Kathryn O'Brien's practice location on file with NPPES is 400 Highland Ave Ste 1, Salem, MA 01970-1783.
- What is Kathryn O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Kathryn O'Brien is (978) 741-9500.
- Does Kathryn O'Brien accept Medicare?
- Kathryn O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn O'Brien's NPI active?
- Yes — Kathryn O'Brien's NPI (1811472426) is active in the NPPES registry as of the last update on 2024-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.