Doctor profile · Federal record

Dr. Larissa Grebenchtchikova, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Pain Medicine Physician · Anesthesiology Physician · Anesthesiology Physician · Anesthesiology Physician · Phoenix, AZ

  • NPI 1093970766
  • Accepts Medicare
  • 34 yrs in practice
  • Licensed in 5 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
250 E Dunlap Ave
Phoenix, AZ 850202825
(602) 943-2381
Additional location
400 W 16Th St
Pueblo, CO 810032745
(719) 584-4045
fax (719) 542-0809
Additional location
10400 75Th St
Kenosha, WI 531427884
(262) 948-5600
Show 1 more location
Additional location
2105 Forest Ave
San Jose, CA 951281471
(408) 259-5000
fax (408) 995-0117

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
February 17, 2026
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (5)
Arizona #43833 · California #C169056 · New York #003161 · Colorado #DR.0076648 · Wisconsin #100498
Medicaid
WI #100230616

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093970766. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
3
Medicare allowed
$12,297
HCPCS Description Services Patients Avg allowed
36620 Insertion of artery tube for blood sampling or infusion through skin 19 19 $44
00670 Anesthesia for extensive surgery on spine 13 13 $736
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 12 $157

In context: peer comparison

Among 166 peers in Phoenix Anesthesiology Physician, average services per provider: 34. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $17.07

By nature of payment

Food and Beverage
$17

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Larissa Grebenchtchikova's medical specialty?
Dr. Larissa Grebenchtchikova practices Anesthesiology Physician in Phoenix, AZ.
Where does Dr. Larissa Grebenchtchikova practice?
Dr. Larissa Grebenchtchikova practices at 250 E Dunlap Ave, Phoenix, AZ 850202825. Office phone: 6029432381.
What is Dr. Larissa Grebenchtchikova's NPI?
Dr. Larissa Grebenchtchikova's National Provider Identifier (NPI) is 1093970766, issued by NPPES.
Does Dr. Larissa Grebenchtchikova accept Medicare assignment?
Yes. Dr. Larissa Grebenchtchikova accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larissa Grebenchtchikova commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for extensive surgery on spine (HCPCS 00670); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.