Deirdre Connolly, MD
NPI 1124076120 · Family Medicine Physician · Chelmsford, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deirdre Connolly, MD is a Family Medicine Physician provider in Chelmsford, MA (NPI 1124076120).
Provider details
- NPI number
- 1124076120
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 205858 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
673 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 291 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 160 | $99 |
| Hemoglobin A1c Level83036 | 77 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 58 | $142 |
| Administration of Influenza Virus VaccineG0008 | 53 | $35 |
| Urinalysis, Manual Test81002 | 19 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 220 | 71 |
| Amlodipine Besylate | 219 | 73 |
| Losartan Potassium | 218 | 73 |
| Atorvastatin Calcium | 216 | 70 |
| Lisinopril | 209 | 76 |
| Gabapentin | 177 | 51 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$971 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2017-04-03
Frequently asked questions
- What is Deirdre Connolly's NPI number?
- Deirdre Connolly's National Provider Identifier (NPI) is 1124076120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deirdre Connolly's specialty?
- Deirdre Connolly is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Deirdre Connolly located?
- Deirdre Connolly's practice location on file with NPPES is 23 Village Sq, Chelmsford, MA 01824-2712.
- What is Deirdre Connolly's phone number?
- The practice phone number listed in the NPPES registry for Deirdre Connolly is (978) 323-2835.
- Does Deirdre Connolly accept Medicare?
- Deirdre Connolly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deirdre Connolly's NPI active?
- Yes — Deirdre Connolly's NPI (1124076120) is active in the NPPES registry as of the last update on 2017-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.