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

DR. DANIEL MARQUEZ MERRILL M.D.
NPI 1942201009
Anesthesiology in Bethesda, MD

Active since August 10, 2005
8901 WISCONSIN AVE, NATIONAL NAVAL MEDICAL CENTER, BETHESDA, MD 20889(301) 295-4455(301) 295-5063 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Daniel Marquez Merrill M.d. NPPES

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

DR. DANIEL MARQUEZ MERRILL M.D. (NPI 1942201009) is an individual anesthesiology provider in Bethesda, Maryland, licensed in Maryland (D0036458) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1942201009
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. DANIEL MARQUEZ MERRILLCredential: M.D.
Location Address8901 WISCONSIN AVE, NATIONAL NAVAL MEDICAL CENTERBethesda, MD 20889-0001
Mailing Address4 Country Woods CtGaithersburg, MD 20878-1144 · (301) 330-2652 · Fax (888) 657-1941
Fax(301) 295-5063
Sole ProprietorNo
Enumeration DateAugust 10, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1942201009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in MD · D0036458
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
8901 WISCONSIN AVE, Bethesda, MD 20889

Other Providers at the Same Location NPPES 20

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

Pharmacist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Radiology (Diagnostic Radiology)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Student in an Organized Health Care Education/Training Program
8901 WISCONSIN AVE
BETHESDA, MD 20889
Internal Medicine (Infectious Disease)
8901 WISCONSIN AVE
BETHESDA, MD 20889
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Psychiatry & Neurology (Psychiatry)
8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889
Physical Therapist
8901 WISCONSIN AVE
BETHESDA, MD 20889

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 Daniel Merrill's NPI number?

The NPI number for Daniel Merrill is 1942201009. It was assigned to this individual provider in the NPPES registry on August 10, 2005.

Where is Daniel Merrill located?

Daniel Merrill practices at 8901 Wisconsin Ave National Naval Medical Center, Bethesda, MD 20889. The listed phone number is (301) 295-4455.

What is Daniel Merrill's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

When was this NPI record last updated?

The NPPES record for Daniel Merrill was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.