Thao O'Connor, C-FNP
NPI 1124312350 · Family Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thao O'Connor, C-FNP is a Family Nurse Practitioner provider in Boston, MA (NPI 1124312350).
Provider details
- NPI number
- 1124312350
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C-FNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN252917 (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
15 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
507 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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 195 | $44 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 147 | $70 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 48 | $165 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 45 | $116 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 38 | $119 |
| Hemoglobin A1c Level83036 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 59 | 26 |
| Dulaglutidebrand: Trulicity | 47 | 17 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 44 | 19 |
| Metformin Hcl | 40 | 19 |
| Tirzepatidebrand: Mounjaro | 29 | — |
| Metformin Hclbrand: Metformin Hcl Er | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-06
- Last updated
- 2014-05-28
Frequently asked questions
- What is Thao O'Connor's NPI number?
- Thao O'Connor's National Provider Identifier (NPI) is 1124312350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thao O'Connor's specialty?
- Thao O'Connor is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thao O'Connor located?
- Thao O'Connor's practice location on file with NPPES is 50 Staniford St, Boston, MA 02114-2517.
- What is Thao O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Thao O'Connor is (617) 726-8722.
- Does Thao O'Connor accept Medicare?
- Thao O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thao O'Connor's NPI active?
- Yes — Thao O'Connor's NPI (1124312350) is active in the NPPES registry as of the last update on 2014-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.