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EMPIRE ANESTHESIA INC
NPI 1174792261
Anesthesiology in San Ramon, CA

Active since February 22, 2008
5201 NORRIS CANYON RD STE 100, SAN RAMON, CA 94583(925) 973-0605(925) 973-0653 Get Directions Write a Review

NPPES record last updated: June 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Empire Anesthesia Inc NPPES

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

EMPIRE ANESTHESIA INC (NPI 1174792261) is a healthcare organization registered as an anesthesiology in San Ramon, California and active in the NPI registry since February 2008. The organization maintains 8 additional practice locations and lists Robin M Dennings, President, as its authorized official.

NPPES Registry Identity

NPI1174792261
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameEMPIRE ANESTHESIA INC
Location Address5201 NORRIS CANYON RD STE 100San Ramon, CA 94583-5410
Mailing AddressPo Box 25033Santa Ana, CA 92799-5033 · (714) 347-1010 · Fax (714) 347-1082
Phone(925) 973-0605
Fax(925) 973-0653
Organization SubpartNo
Authorized OfficialRobin M DenningsPresident · (714) 347-1010
Enumeration DateFebruary 22, 2008
Last NPPES UpdateJune 30, 2024
NPPES CertifiedJune 30, 2024
✔ NPI 1174792261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · FNP 37065
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.
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License FNP 37065 (CA)
5201 NORRIS CANYON RD STE 100, San Ramon, CA 94583
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Secondary Practice Locations 8

Location 1575 Sir Francis Drake Blvd Ste 3Greenbrae, CA 94904-2307 · Phone (415) 925-8900 · Fax (415) 925-8908
Location 2460 N Wiget Ln Ste AWalnut Creek, CA 94598-2408 · Phone (925) 378-4949 · Fax (925) 891-9166
Location 34626 Willow Rd Ste 100Pleasanton, CA 94588-8555 · Phone (925) 734-6744 · Fax (925) 734-6769
Location 439350 Civic Center Dr Ste 100Fremont, CA 94538-2384 · Phone (510) 456-4600 · Fax (510) 794-6822
Location 51241 E Hillsdale Blvd Ste 210Foster City, CA 94404-1296 · Phone (650) 389-9383 · Fax (833) 464-4176
Location 620998 Redwood RdCastro Valley, CA 94546-5918 · Phone (510) 576-8500 · Fax (510) 576-0248
Location 7200 Porter Dr Ste 100San Ramon, CA 94583-1524 · Phone (925) 600-1900 · Fax (925) 600-1908
Location 85801 Norris Canyon Rd Ste 230San Ramon, CA 94583-5440 · Phone (925) 275-9910 · Fax (925) 275-9915

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Empire Anesthesia Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

40

Medicare enrollment records show 40 clinicians reassign Medicare billing to Empire Anesthesia Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 7 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Certified Registered Nurse Anesthetist (CRNA)28
Anesthesiology11
Peripheral Vascular Disease1

Nearest to this location (20)

See all 40
Christine Engelbrecht, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1326195033
5201 NORRIS CANYON RD STE 100
San Ramon, CA 94583
(925) 973-0605
✔ Accepts MedicareSame address
Kevin Hamby, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1710035985
5801 NORRIS CANYON RD STE 230
San Ramon, CA 94583
(925) 275-9910
0.1 mi
Patricia Gonzalez, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1386849776
5801 NORRIS CANYON RD STE 230
San Ramon, CA 94583
(925) 275-9910
0.1 mi
Robin Dennings, M.D.
Anesthesiology
NPI 1649265349
200 PORTER DR SUITE 100
San Ramon, CA 94583
(925) 838-6880
✔ PECOS✔ Accepts Medicare1.7 mi
Stephen Lo, MD
Anesthesiology
NPI 1558398719
4487 STONERIDGE DR
Pleasanton, CA 94588
(925) 600-1900
✔ PECOS7.7 mi
Kay Clark, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1538214218
1465 SOUTH MAIN STREET
Walnut Creek, CA 94596
(925) 295-4465
✔ Accepts Medicare9.6 mi
Philip Truong, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1477918670
1425 S MAIN ST
Walnut Creek, CA 94596
(925) 295-4000
✔ Accepts Medicare9.6 mi
Julie Yeh, MD
Anesthesiology
NPI 1588692073
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
(925) 939-3000
✔ PECOS✔ Accepts Medicare10 mi
Jeffrey Yeoh, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1518928704
27400 HESPERIAN BLVD
Hayward, CA 94545
(510) 784-4000
✔ Accepts Medicare13 mi
Judy Wong, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1437215043
280 W MACARTHUR BLVD
Oakland, CA 94611
(510) 752-6238
✔ Accepts Medicare17 mi
Steven Daniels, MSN, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1750566261
1700 SAN PABLO AVE
Pinole, CA 94564
(510) 724-9500
✔ Accepts Medicare24 mi
Meg Ohare, M.D.
Peripheral Vascular Disease
NPI 1619131935
450 SUTTER ST RM 2632
San Francisco, CA 94108
(415) 596-4711
✔ PECOS✔ Accepts Medicare25 mi
Patricia Larsen Mckenna, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1811972516
126 EVERSON ST
San Francisco, CA 94131
(408) 896-6000
✔ Accepts Medicare26 mi
Jason Bolt, DNP, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1346899101
300 PASTEUR DR
Stanford, CA 94305
(650) 723-6415
✔ Accepts Medicare27 mi
Siji Chacko
Certified Registered Nurse Anesthetist (CRNA)
NPI 1649542515
300 PASTEUR DR
Stanford, CA 94305
(650) 723-6411
✔ Accepts Medicare27 mi
Sachindra Rayamajhi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1467078253
300 PASTEUR DR
Stanford, CA 94305
(650) 723-4000
✔ Accepts Medicare27 mi
Elizabeth Youngs, M.D.
Anesthesiology
NPI 1578722773
300 PASTEUR DR
Stanford, CA 94305
(650) 723-6411
✔ PECOS✔ Accepts Medicare27 mi
Sam Shay, MD
Anesthesiology
NPI 1013958362
3700 CALIFORNIA ST
San Francisco, CA 94118
(415) 719-0000
✔ PECOS27 mi
Ian Brown, M.D.
Anesthesiology
NPI 1538167903
2160 W GRANT LINE RD STE 120
Tracy, CA 95377
(209) 836-5680
✔ PECOS28 mi
Jennifer Reodica, M.D.
Anesthesiology
NPI 1922071539
901 CAMPUS DRIVE SUITE 102
Daly City, CA 94015
(415) 642-0707
✔ PECOS29 mi
See all 40 clinicians

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

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 Empire Anesthesia Inc's NPI number?

The NPI number for Empire Anesthesia Inc is 1174792261. It was assigned to this organization in the NPPES registry on February 22, 2008.

Where is Empire Anesthesia Inc located?

Empire Anesthesia Inc is located at 5201 Norris Canyon Rd Ste 100, San Ramon, CA 94583. The listed phone number is (925) 973-0605.

What is Empire Anesthesia Inc's specialty?

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

Is Empire Anesthesia Inc enrolled in Medicare?

Yes. Empire Anesthesia Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Empire Anesthesia Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 40 clinicians in 3 Medicare specialties reassign their Medicare billing to Empire Anesthesia Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (28), Anesthesiology (11) and Peripheral Vascular Disease (1). Of these, 1 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Empire Anesthesia Inc was last updated on June 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.