Doctor profile · Federal record

Dr. Kaitlyn Brennan, NP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Concord, MA

  • NPI 1609218072
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Baker Avenue
Concord, MA 01742
(978) 287-9300
fax (978) 250-3989

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
November 6, 2015
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #RN2264159

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609218072. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,186
Distinct HCPCS
10
Medicare allowed
$41,194
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 187 148 $85
36415 Insertion of needle into vein for collection of blood sample 156 129 $8
80053 Blood test, comprehensive group of blood chemicals 117 106 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 98 92 $74
84443 Blood test, thyroid stimulating hormone (tsh) 91 82 $16
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 85 78 $6
80061 Blood test, lipids (cholesterol and triglycerides) 64 59 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 55 55 $62
87086 Bacterial colony count, urine 35 30 $8
81003 Automated urinalysis test 28 23 $2

In context: peer comparison

Among 3 peers in Concord Family Nurse Practitioner, average services per provider: 45. This provider delivers 26× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
282
Patients
103
Total drug cost
$4,141
Drug Type Claims Patients Total cost
Gabapentin Generic 35 17 $436
Atorvastatin Calcium Generic 30 0 $607
Doxycycline Monohydrate Generic 29 25 $354
Amlodipine Besylate Generic 23 0 $252
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 21 21 $151
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 12 $441
Lisinopril Generic 17 0 $394
Prednisone Generic 17 15 $47
Levothyroxine Sodium Generic 15 0 $285
Azithromycin Generic 13 13 $62

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kaitlyn Brennan's medical specialty?
Dr. Kaitlyn Brennan practices Family Nurse Practitioner in Concord, MA.
Where does Dr. Kaitlyn Brennan practice?
Dr. Kaitlyn Brennan practices at 330 Baker Avenue, Concord, MA 01742. Office phone: 9782879300.
What is Dr. Kaitlyn Brennan's NPI?
Dr. Kaitlyn Brennan's National Provider Identifier (NPI) is 1609218072, issued by NPPES.
Does Dr. Kaitlyn Brennan accept Medicare assignment?
Yes. Dr. Kaitlyn Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kaitlyn Brennan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.