Kaitlyn Patricia Brennan, NP-C
Family Nurse Practitioner · Concord, MA
Kaitlyn Patricia Brennan, NP-C is a family nurse practitioner with a practice address in Concord, Massachusetts, and NPI 1609218072, issued on Jul 25, 2013. Check the license (Massachusetts RN2264159, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kaitlyn Patricia Brennan
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2264159 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Baker Avenue, Concord, MA 01742
- Phone
- (978) 287-9300
- Enumerated
- Jul 25, 2013
- Record last updated
- Nov 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (978) 250-3989
- Medicare enrollment
- Enrolled (PECOS I20131022001919); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Verify Kaitlyn Patricia Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2264159Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average family nurse practitioner in 2024
1,711 Medicare Part D claims for 815 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium100 claims
- Gabapentin72 claims
- Levothyroxine Sodium68 claims
- Amlodipine Besylate66 claims
- Doxycycline Monohydrate56 claims
- Hydrochlorothiazide52 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.
Bills Medicare through one group practice
- Atrius Health IncConcord, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kaitlyn Patricia Brennan among 4,724 family nurse practitioner records in Massachusetts
Kaitlyn Patricia Brennan, NP-C is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 26% of them.
- NPI issued2013 · 26% of these records are older, 70% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2013 · median 2019 among the 2,704 with a school on file
- Record last updated2015 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 family nurse practitioner records list a practice address in Concord
They are 23 of the 1,078 NPPES records with a practice address in Concord, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Concord → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Elizabeth Conway, NPConcord, MA 017421689643231
- Rosemarie Dolan-Lee, CFNPConcord, MA 017421073579389
- Diana Garcia, APRNConcord, MA 017421023678216
- Richard Heneghan, RNNPConcord, MA 017421316243587
- Elizabeth Henson, MSN, APRN, FNP-CConcord, MA 017421578016481
- Vannary Khim, MS, RN, FNP-CConcord, MA 017421093220428
- Donna Kulas, R.N.C. , M.S., N.P.Concord, MA 017421184736969
- Margaret McLaughlin, F.N.P.Concord, MA 017421356591770
Common questions
What is Kaitlyn Patricia Brennan, NP-C's NPI number?
Kaitlyn Patricia Brennan, NP-C's National Provider Identifier (NPI) is 1609218072, issued on Jul 25, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Kaitlyn Patricia Brennan, NP-C located?
The NPPES record lists a practice address at 330 Baker Avenue, Concord, MA, 01742. Phone: (978) 287-9300. Providers update this record themselves, so call before visiting.
How can I verify Kaitlyn Patricia Brennan, NP-C's license?
NPPES lists Massachusetts license number RN2264159, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kaitlyn Patricia Brennan, NP-C prescribe under Medicare Part D?
In 2024, Kaitlyn Patricia Brennan, NP-C had 1,711 Medicare Part D claims for 815 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.