Deirdre M. Connolly, MD
Family Medicine Physician · Chelmsford, MA
Deirdre M. Connolly, MD is a family medicine physician with a practice address in Chelmsford, Massachusetts, and NPI 1124076120, issued on May 4, 2006. Check the license (Massachusetts 205858, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Deirdre M. Connolly
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 205858 MA
Self-reported in NPPES; status is on the state search - Practice location
- 23 Village SQ, Chelmsford, MA 01824
- Phone
- (978) 323-2835
- Enumerated
- May 4, 2006
- Record last updated
- Apr 3, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (978) 323-2836
- Medicaid ID
- 9771298 MA
- Medicare enrollment
- Enrolled (PECOS I20040203000631); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 23 Village SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alden Gagnon, M.D.Hematology (Internal Medicine) Physician1912966011
- Holly Powderly, NPNurse Practitioner1619209053
Verify Deirdre M. Connolly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 205858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average family medicine physician in 2024
6,207 Medicare Part D claims for 446 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 299 claims were for opioids.
Most prescribed
- Levothyroxine Sodium220 claims
- Amlodipine Besylate219 claims
- Losartan Potassium218 claims
- Atorvastatin Calcium216 claims
- Lisinopril209 claims
- Gabapentin177 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $971.16
39 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lgh Medical Group, Inc.Chelmsford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deirdre M. Connolly among 2,265 family medicine physician records in Massachusetts
Deirdre M. Connolly, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 55% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1996 · median 2006 among the 1,529 with a school on file
- Record last updated2017 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Chelmsford → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ghazala Alam, M.D.Chelmsford, MA 018241225007313
- Rajni Aneja, M.D.Chelmsford, MA 018241811958911
- Arthur Haffner, M.D.Chelmsford, MA 018241548245277
- Meredith Kydd, FNP-BCChelmsford, MA 018241992314561
- David McCarthy, MDChelmsford, MA 018241740711506
- Beshoy Sidhom, MDChelmsford, MA 018241427545243
- Pardeep Aujla, M.D.Dracut, MA 018261932490687
- Joseph Dulac, MDDracut, MA 018261760421234
Common questions
What is Deirdre M. Connolly, MD's NPI number?
Deirdre M. Connolly, MD's National Provider Identifier (NPI) is 1124076120, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Deirdre M. Connolly, MD located?
The NPPES record lists a practice address at 23 Village SQ, Chelmsford, MA, 01824. Phone: (978) 323-2835. Providers update this record themselves, so call before visiting.
How can I verify Deirdre M. Connolly, MD's license?
NPPES lists Massachusetts license number 205858, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Deirdre M. Connolly, MD prescribe under Medicare Part D?
In 2024, Deirdre M. Connolly, MD had 6,207 Medicare Part D claims for 446 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.