DR. BRIAN DENNIS M.D.
NPI 1588878060
Anesthesiology in Mountain View, CA

Q: What is Brian Dennis's NPI number?

The NPI number for Brian Dennis is 1588878060. It was assigned to this individual provider in the NPPES registry on May 10, 2007.

Q: What is Brian Dennis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Brian Dennis was last updated on January 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.

Active since May 10, 2007PECOS Enrolled

701 E EL CAMINO REAL, MOUNTAIN VIEW, CA 94040(650) 404-8444 Get Directions Write a Review

NPPES record last updated: January 7, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Brian Dennis M.d. NPPES

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

DR. BRIAN DENNIS M.D. (NPI 1588878060) is an individual anesthesiology provider in Mountain View, California, licensed in California (A99955) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of University Of California, San Francisco School Of Medicine (2005).

NPPES Registry Identity

NPI1588878060

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. BRIAN DENNISCredential: M.D.

Location Address701 E EL CAMINO REALMountain View, CA 94040-2833

Mailing Address2350 W El Camino Real Fl 2Mountain View, CA 94040-6203

Phone(650) 404-8444

Sole ProprietorNo

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2005

Enumeration DateMay 10, 2007

Last NPPES UpdateJanuary 7, 2019

✔ NPI 1588878060 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · A99955

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.

701 E EL CAMINO REAL, Mountain View, CA 94040

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Brian Dennis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1456403708

PECOS Enrollment IDI20191029003279

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.

Medicare Billing Reassignments

Medicare enrollment records show Brian Dennis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Montefiore Medical Center

2,564 mi

Family Medicine

2633 BROADWAY
New York, NY 10025

Reassigned Medicare billing, New York enrollment
5,251 clinicians in this Medicare group

NPI 1760288278 (888) 663-6331

Singular Anesthesia Services, PLLC

2,570 mi

Anesthesiology

234 N CENTRAL AVE, SUITE 203
Hartsdale, NY 10530

Reassigned Medicare billing, New York enrollment
142 clinicians in this Medicare group

NPI 1881086718 (914) 948-1018

North Shore - Lij Anesthesiology, PC

2,570 mi

Anesthesiology

480 BEDFORD RD BLDG B
Chappaqua, NY 10514

Reassigned Medicare billing, New York enrollment
1,406 clinicians in this Medicare group

NPI 1417401266 (914) 666-8866

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

39 services39 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

30 services30 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

30 services30 patients

Anesthesia for procedure on small and large bowel using an endoscope 00813

Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.

18 services18 patients

Hospital Affiliations CMS Care Compare 2

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

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330059

Location111 East 210th StreetBronx, NY 10467 · Bronx County

Emergency services Birthing friendly

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330101

Location525 East 68th StreetNew York, NY 10065 · New York County

Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)

Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…

11%163 patients1/55-star benchmark: 100%

Pre-operative OSA assessment

Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)

43%528 patients1/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

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