Doctor profile · Federal record

Dr. Deirdre Connolly, MD

Family Medicine Physician (CMS: Family Practice) · Chelmsford, MA

  • NPI 1124076120
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
23 Village Sq
Chelmsford, MA 018242712
(978) 323-2835
fax (978) 323-2836

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 3, 2017
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #205858
Medicaid
MA #9771298

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124076120. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
722
Distinct HCPCS
10
Medicare allowed
$69,798
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 297 158 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 122 91 $97
83036 Hemoglobin a1c level 66 45 $9
99442 Telephone medical discussion with physician, 11-20 minutes 34 28 $71
G0008 Administration of influenza virus vaccine 34 33 $31
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 32 32 $75
82947 Blood glucose (sugar) level 27 26 $4
81002 Urinalysis, manual test 24 22 $3
G0009 Administration of pneumococcal vaccine 24 24 $31
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 20 20 $283

In context: peer comparison

Among 3 peers in Chelmsford Family Medicine Physician, average services per provider: 41. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$971
Transactions
39
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 6 $224.99
GlaxoSmithKline, LLC. 4 $117.75
Abbott Laboratories 4 $94.22
Novo Nordisk INC 3 $61.77
Pfizer INC. 3 $59.30
Phathom Pharmaceuticals, INC. 3 $57.61
Abbvie INC. 3 $56.32
Otsuka America Pharmaceutical, INC. 3 $54.57
Merck Sharp & Dohme LLC 2 $48.15
Bayer Healthcare Pharmaceuticals INC. 2 $47.96
Lilly USA, LLC 2 $44.62
Radius Health, INC. 1 $34.79
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $25.40
Hologic Sales and Service, LLC 1 $24.98
Astellas Pharma US INC 1 $18.73

By nature of payment

Food and Beverage
$971

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,397
Patients
965
Total drug cost
$58,800
Drug Type Claims Patients Total cost
Lisinopril Generic 360 102 $4,390
Amlodipine Besylate Generic 355 105 $3,626
Levothyroxine Sodium Generic 353 83 $4,719
Atorvastatin Calcium Generic 342 97 $6,983
Gabapentin Generic 284 57 $5,534
Losartan Potassium Generic 260 78 $4,796
Omeprazole Generic 244 79 $5,508
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 185 64 $6,272
Hydrochlorothiazide Generic 168 49 $1,322
Metoprolol Succinate Generic 168 53 $3,938

Frequently asked questions

Auto-generated from federal data
What is Dr. Deirdre Connolly's medical specialty?
Dr. Deirdre Connolly practices Family Medicine Physician in Chelmsford, MA.
Where does Dr. Deirdre Connolly practice?
Dr. Deirdre Connolly practices at 23 Village Sq, Chelmsford, MA 018242712. Office phone: 9783232835.
What is Dr. Deirdre Connolly's NPI?
Dr. Deirdre Connolly's National Provider Identifier (NPI) is 1124076120, issued by NPPES.
Does Dr. Deirdre Connolly accept Medicare assignment?
Yes. Dr. Deirdre Connolly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Deirdre Connolly commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.