Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FIRST RESPONSE DOCTORS CLINIC
NPI 1861242067
Nurse Practitioner - Primary Care in Silver Spring, MD

Q: What is First Response Doctors Clinic's NPI number?

The NPI number for First Response Doctors Clinic is 1861242067. It was assigned to this organization in the NPPES registry on March 22, 2024. The provider is doing business as Lum Mercy Maximuangu.

Q: What is First Response Doctors Clinic's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Active since March 22, 2024

11223 LOCKWOOD DR, SILVER SPRING, MD 20901(240) 247-0282(410) 609-5551 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About First Response Doctors Clinic NPPES

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

FIRST RESPONSE DOCTORS CLINIC (NPI 1861242067), doing business as Lum Mercy Maximuangu, is a healthcare organization registered as a primary care in Silver Spring, Maryland and active in the NPI registry since March 2024. The organization lists Lum Mercy Maximuangu, Chief Medical Officer, Bc-np, as its authorized official.

NPPES Registry Identity

NPI1861242067

Entity TypeOrganization

Primary Taxonomy363LP2300X

Legal Business NameFIRST RESPONSE DOCTORS CLINIC

Location Address11223 LOCKWOOD DRSilver Spring, MD 20901-4554

Mailing Address11223 Lockwood DrSilver Spring, MD 20901-4554 · (240) 247-0282 · Fax (410) 609-5551

Phone(240) 247-0282

Fax(410) 609-5551

Organization SubpartNo

Authorized OfficialLum Mercy MaximuanguChief Medical Officer, Bc-np · (240) 247-0282

Enumeration DateMarch 22, 2024

Last NPPES UpdateOctober 22, 2026

NPPES CertifiedOctober 22, 2026

✔ NPI 1861242067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP2300X

Also ListedRegistered Nurse · Addiction (Substance Use Disorder)Taxonomy 163WA0400X

Also ListedPain Medicine · Pain MedicineTaxonomy 208VP0000X

Also ListedNurse PractitionerTaxonomy 363L00000X

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X

Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X

11223 LOCKWOOD DR, Silver Spring, MD 20901

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Other Names 1

Doing Business AsLum Mercy Maximuangu

Other Providers at the Same Location NPPES 4

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

REHOBOTH MEDICAL CENTER LLC

Nurse Practitioner (Primary Care)

11223 LOCKWOOD DR
SILVER SPRING, MD 20901

Montgomery County (240) 254-3375

MARY E. BENJAMIN, M.D., LLC

Clinic/Center (Primary Care)

11223 LOCKWOOD DR
SILVER SPRING, MD 20901

Montgomery County (301) 681-6854

DR. KATHRYN MADUFORO NP

Nurse Practitioner (Family)

11223 LOCKWOOD DR
SILVER SPRING, MD 20901

Montgomery County (240) 254-3375

LUM MERCY MAXIMUANGU NP

Nurse Practitioner (Acute Care)

11223 LOCKWOOD DR
SILVER SPRING, MD 20901

Montgomery County (240) 604-2949

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 First Response Doctors Clinic's NPI number?

The NPI number for First Response Doctors Clinic is 1861242067. It was assigned to this organization in the NPPES registry on March 22, 2024. The provider is doing business as Lum Mercy Maximuangu.

Where is First Response Doctors Clinic located?

First Response Doctors Clinic is located at 11223 Lockwood Dr, Silver Spring, MD 20901. The listed phone number is (240) 247-0282.

What is First Response Doctors Clinic's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

When was this NPI record last updated?

The NPPES record for First Response Doctors Clinic was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.