1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Surgery
  6. NPI Profile

ACUTE CARE SURGERY MEDICAL GROUP, INC.
NPI 1700069549
Surgery in Sacramento, CA

Active since December 16, 2007
2801 K STREET SUITE 440, SACRAMENTO, CA 95816(916) 441-0400(916) 441-0406 Get Directions Write a Review

NPPES record last updated: June 26, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 17, 2020, Jul 7, 2020 (2 updates tracked since 2020).

About Acute Care Surgery Medical Group, Inc. NPPES

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

ACUTE CARE SURGERY MEDICAL GROUP, INC. (NPI 1700069549) is a healthcare organization registered as a surgery in Sacramento, California and active in the NPI registry since December 2007. The organization lists Scott Flacks, Coo, as its authorized official.

NPPES Registry Identity

NPI1700069549
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameACUTE CARE SURGERY MEDICAL GROUP, INC.
Location Address2801 K STREET SUITE 440Sacramento, CA 95816-5616
Mailing AddressPo Box 888102San Francisco, CA 94139-8102 · (916) 441-0400
Phone(916) 441-0400
Fax(916) 441-0406
Organization SubpartNo
Authorized OfficialScott FlacksCoo · (916) 441-0400
Enumeration DateDecember 16, 2007
Last NPPES UpdateJune 26, 20232 updates tracked since enumeration
NPPES CertifiedJune 26, 2023
✔ NPI 1700069549 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · 3056079
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedSurgery · Surgical Critical CareTaxonomy 2086S0102X · License 3056079 (CA)
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License 3056079 (CA)
2801 K STREET SUITE 440, Sacramento, CA 95816
Open in Google Maps ↗

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Acute Care Surgery Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

415

Medicare enrollment records show 415 clinicians reassign Medicare billing to Acute Care Surgery Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 6 practice at this address and 25 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 14

General Surgery228
Orthopedic Surgery91
Nurse Practitioner57
Neurosurgery19
Critical Care (Intensivists)9
Vascular Surgery3
Colorectal Surgery (Proctology)1
Emergency Medicine1
6 other specialties6

Nearest to this location (20)

See all 415
Mark Endicott, M.D.
Orthopedic Surgery
NPI 1093783425
2801 K STREET SUITE 500
Sacramento, CA 95816
(916) 732-3341
✔ PECOS✔ Accepts MedicareSame address
Michael Leathers, M.D.
Orthopedic Surgery
NPI 1548551872
2801 K ST SUITE 330
Sacramento, CA 95816
(916) 732-3000
✔ PECOS✔ Accepts MedicareSame address
George Lian, M.D.
Orthopedic Surgery
NPI 1831162593
2801 K ST #500
Sacramento, CA 95816
(916) 733-8710
✔ PECOS✔ Accepts MedicareSame address
Patrick Mcgahan, MD
Orthopedic Surgery
NPI 1518271675
2801 K ST STE 330
Sacramento, CA 95816
(916) 733-5049
✔ PECOS✔ Accepts MedicareSame address
David Tai, M.D.
Orthopedic Surgery
NPI 1275592552
2801 K ST #500
Sacramento, CA 95816
(916) 733-8710
✔ PECOS✔ Accepts MedicareSame address
Terry Zahniser, NP
Nurse Practitioner
NPI 1205976198
3701 J ST STE 201
Sacramento, CA 95816
(916) 454-2345
✔ PECOSSame address
Matthew Tweet, MD
Orthopedic Surgery
NPI 1003017971
2725 CAPITOL AVE SUITE 302
Sacramento, CA 95816
(916) 262-9440
✔ PECOS✔ Accepts Medicare0.2 mi
Lisa Cederbaum, NP
Nurse Practitioner
NPI 1629264015
2725 CAPITOL AVE
Sacramento, CA 95816
(916) 262-9454
✔ PECOS✔ Accepts Medicare0.2 mi
Jerry Labson, M.D.
Orthopedic Surgery
NPI 1346231644
2725 CAPITOL AVE DEPT 302
Sacramento, CA 95816
(916) 441-0400
✔ PECOS✔ Accepts Medicare0.2 mi
Charles Sonu, MD
Orthopedic Surgery
NPI 1497886014
2725 CAPITOL AVE DEPT 302
Sacramento, CA 95816
(162) 629-4409
✔ PECOS✔ Accepts Medicare0.2 mi
Kevin Hsieh, M.D.
Neurosurgery
NPI 1689864506
1430 22ND ST
Sacramento, CA 95816
(916) 453-0911
✔ PECOS✔ Accepts Medicare0.7 mi
Amir Amiri, M.D.
General Surgery
NPI 1184605644
2315 STOCKTON BLVD UCDMC SURGERY HOUSESTAFF OFFICE ROOM 6309
Sacramento, CA 95817
(916) 734-2724
✔ PECOS✔ Accepts Medicare1.3 mi
Rachel Hight, M.D.
General Surgery
NPI 1962461012
2315 STOCKTON BLVD SUITE 4203
Sacramento, CA 95817
(916) 734-1767
✔ PECOS✔ Accepts Medicare1.3 mi
Leslie Lyda, NP
Nurse Practitioner
NPI 1417263070
2315 STOCKTON BLVD STE 1621
Sacramento, CA 95817
(916) 325-1040
✔ PECOS✔ Accepts Medicare1.3 mi
Aubree Watkins, NP
Nurse Practitioner
NPI 1770865016
2315 STOCKTON BLVD
Sacramento, CA 95817
(916) 703-3192
✔ PECOS1.3 mi
Jennette Boakes, M.D.
Orthopedic Surgery
NPI 1972569531
2425 STOCKTON BLVD
Sacramento, CA 95817
(916) 453-2049
✔ PECOS1.4 mi
Debra Templeton, MD
Orthopedic Surgery
NPI 1831154483
2425 STOCKTON BLVD
Sacramento, CA 95817
(916) 453-2068
✔ PECOS✔ Accepts Medicare1.4 mi
James Silverthorn, M.D.
Neurosurgery
NPI 1780662080
4860 Y ST SUITE #3740 DEPARTMENT OF NEUROLOGICAL SURGERY
Sacramento, CA 95817
(916) 734-3071
✔ PECOS✔ Accepts Medicare1.8 mi
Sokkunthair Kem, NP
Nurse Practitioner
NPI 1992141840
1207 V ST
Sacramento, CA 95818
(559) 859-4597
✔ PECOS✔ Accepts Medicare1.8 mi
David Beffa, M.D
General Surgery
NPI 1184821977
555 CAPITOL MALL STE 260
Sacramento, CA 95814
(916) 441-0400
✔ PECOS✔ Accepts Medicare1.9 mi
See all 415 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 Acute Care Surgery Medical Group, Inc.'s NPI number?

The NPI number for Acute Care Surgery Medical Group, Inc. is 1700069549. It was assigned to this organization in the NPPES registry on December 16, 2007.

Where is Acute Care Surgery Medical Group, Inc. located?

Acute Care Surgery Medical Group, Inc. is located at 2801 K Street Suite 440, Sacramento, CA 95816. The listed phone number is (916) 441-0400.

What is Acute Care Surgery Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Acute Care Surgery Medical Group, Inc. enrolled in Medicare?

Yes. Acute Care Surgery Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Acute Care Surgery Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 415 clinicians in 14 Medicare specialties reassign their Medicare billing to Acute Care Surgery Medical Group, 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 General Surgery (228), Orthopedic Surgery (91) and Nurse Practitioner (57). Of these, 6 practice at this address and 25 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Acute Care Surgery Medical Group, Inc. accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Acute Care Surgery Medical Group, Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Acute Care Surgery Medical Group, Inc. was last updated on June 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.