Mollie O'Connor, M.D.
NPI 1467986927 · Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mollie O'Connor, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Boston, MA (NPI 1467986927).
Provider details
- NPI number
- 1467986927
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 282747 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
304 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) |
|---|---|---|
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 67 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 58 | $140 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 42 | $196 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 | $187 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 29 | $9 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hclbrand: Metformin Hcl Er | 44 | 25 |
| Metformin Hcl | 39 | 15 |
| Tirzepatidebrand: Mounjaro | 32 | — |
| Levothyroxine Sodium | 25 | — |
| Semaglutidebrand: Ozempic | 24 | — |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 23 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-11
- Last updated
- 2024-04-19
- Certified
- 2024-04-19
Frequently asked questions
- What is Mollie O'Connor's NPI number?
- Mollie O'Connor's National Provider Identifier (NPI) is 1467986927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mollie O'Connor's specialty?
- Mollie O'Connor is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mollie O'Connor located?
- Mollie O'Connor's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Mollie O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Mollie O'Connor is (617) 724-7777.
- Does Mollie O'Connor accept Medicare?
- Mollie 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 Mollie O'Connor's NPI active?
- Yes — Mollie O'Connor's NPI (1467986927) is active in the NPPES registry as of the last update on 2024-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.