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LAUREN DOMENICA BRENNAN RN,MSN,CRNP, FNP-BC
NPI 1801564646
Nurse Practitioner - Family in Annapolis, MD

Active since September 04, 2021PECOS EnrolledAccepts Medicare Assignment
820 BESTGATE RD, ANNAPOLIS, MD 21401(410) 505-4265 Get Directions Write a Review

NPPES record last updated: March 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 18, 2025, Jan 27, 2022, Dec 29, 2021 (3 updates tracked since 2021).

About Lauren Domenica Brennan Rn,msn,crnp, Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAUREN DOMENICA BRENNAN RN,MSN,CRNP, FNP-BC (NPI 1801564646) is an individual family provider in Annapolis, Maryland, licensed in Maryland (R232666) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1801564646
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameLAUREN DOMENICA BRENNANCredential: RN,MSN,CRNP, FNP-BC
Location Address820 BESTGATE RDAnnapolis, MD 21401-3404
Mailing Address820 Bestgate Rd, Ste 2bAnnapolis, MD 21401-3404 · (410) 224-2116 · Fax (410) 224-2118
Phone(410) 505-4265
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2021
Enumeration DateSeptember 4, 2021
Last NPPES UpdateMarch 18, 20253 updates tracked since enumeration
NPPES CertifiedMarch 18, 2025
✔ NPI 1801564646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in MD · R232666✔ Licensed in MD · 2021035861
820 BESTGATE RD, Annapolis, MD 21401
Open in Google Maps ↗

Secondary Practice Location 1

Location 14940 Eastern AveBaltimore, MD 21224-2735 · Phone (410) 550-0100

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lauren Domenica Brennan Rn,msn,crnp, Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769874296
PECOS Enrollment IDI20220223002008
Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
367 services307 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
135 services124 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
104 services104 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
69 services69 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
28 services28 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RAJA TAUNK M.D.
Internal Medicine (Gastroenterology)
820 BESTGATE RD, SUITE 2A
ANNAPOLIS, MD 21401
Anne Arundel County (410) 224-2116
THOMAS LLOYD SIMCOX MD
Internal Medicine (Gastroenterology)
820 BESTGATE RD, SUITE 2A
ANNAPOLIS, MD 21401
Anne Arundel County (410) 224-2116
MELISSA SCHWEITZER M.S.
Genetic Counselor, MS
820 BESTGATE RD, SUITE 2C
ANNAPOLIS, MD 21401
Anne Arundel County (410) 224-4442
ANNE ARUNDEL GASTROENTEROLOGY ASSOCIATES PA
Specialist
820 BESTGATE RD, SUITE 2A
ANNAPOLIS, MD 21401
Anne Arundel County (410) 224-2116
DR. VINCENTE MARIO SIMONCINI OD
Optometrist (Corneal and Contact Management)
820 BESTGATE RD, SUITE 1C
ANNAPOLIS, MD 21401
Anne Arundel County (410) 266-0001
DR. MARK H FLASAR M.D.
Internal Medicine (Gastroenterology)
820 BESTGATE RD, SUITE 2A
ANNAPOLIS, MD 21401
Anne Arundel County (410) 224-2116
ANESTHESIA DYNAMICS LLC
Anesthesiology
820 BESTGATE RD
ANNAPOLIS, MD 21401
Anne Arundel County (888) 851-4642
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Gastroenterology)
820 BESTGATE RD
ANNAPOLIS, MD 21401
Anne Arundel County (410) 224-2116

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lauren Brennan's NPI number?

The NPI number for Lauren Brennan is 1801564646. It was assigned to this individual provider in the NPPES registry on September 4, 2021.

Where is Lauren Brennan located?

Lauren Brennan practices at 820 Bestgate Rd, Annapolis, MD 21401. The listed phone number is (410) 505-4265.

What is Lauren Brennan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Lauren Brennan enrolled in Medicare?

Yes. Lauren Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Lauren Brennan affiliated with any hospitals?

According to CMS data, Lauren Brennan is affiliated with Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Lauren Brennan was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.