Lauren Brennan, RN,MSN,CRNP, FNP-BC
NPI 1801564646 · Family Nurse Practitioner · Annapolis, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Brennan, RN,MSN,CRNP, FNP-BC is a Family Nurse Practitioner provider in Annapolis, MD (NPI 1801564646).
Provider details
- NPI number
- 1801564646
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN,MSN,CRNP, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 2021035861 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
703 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 367 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 135 | $110 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 104 | $97 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 69 | $147 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 28 | $50 |
Typical Medicare-allowed amounts for these services range $50–$147 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 297 | 122 |
| Famotidine | 220 | 88 |
| Omeprazole | 81 | 36 |
| Dicyclomine Hcl | 46 | 26 |
| Colestipol Hcl | 46 | 20 |
| Linaclotidebrand: Linzess | 45 | 15 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 38 | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$771 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4940 Eastern AveBaltimore, MD 21224-2735Phone: (410) 550-0100
Registry dates
- Enumerated
- 2021-09-04
- Last updated
- 2025-03-18
- Certified
- 2025-03-18
Frequently asked questions
- What is Lauren Brennan's NPI number?
- Lauren Brennan's National Provider Identifier (NPI) is 1801564646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Brennan's specialty?
- Lauren Brennan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lauren Brennan located?
- Lauren Brennan's practice location on file with NPPES is 820 Bestgate Rd, Annapolis, MD 21401-3404.
- What is Lauren Brennan's phone number?
- The practice phone number listed in the NPPES registry for Lauren Brennan is (410) 505-4265.
- Does Lauren Brennan accept Medicare?
- Lauren Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Brennan's NPI active?
- Yes — Lauren Brennan's NPI (1801564646) is active in the NPPES registry as of the last update on 2025-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.