Doctor profile · Federal record

Dr. Marissa Stein, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Saint Helena, CA

  • NPI 1346256518
  • Accepts Medicare
  • MIPS 76.9 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10 Woodland RD
Saint Helena, CA 945749554
(707) 963-3611
Mailing address
Po Box 7096
Stockton, CA 952670096

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 5, 2014
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
California #NA3060 · Massachusetts #240985

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346256518. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
98
Distinct HCPCS
5
Medicare allowed
$14,385
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 26 23 $119
00812 Anesthesia for exam of colon using an endoscope 21 21 $114
01402 Anesthesia for procedure for total knee joint replacement 19 19 $180
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 16 $139
01214 Anesthesia for total hip replacement 16 16 $202

In context: peer comparison

Among 6 peers in Saint Helena Certified Registered Nurse Anesthetist, average services per provider: 20. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$105
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Chiesi USA, INC. 1 $105.05

By nature of payment

Food and Beverage
$105

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Stein's medical specialty?
Dr. Marissa Stein practices Certified Registered Nurse Anesthetist in Saint Helena, CA.
Where does Dr. Marissa Stein practice?
Dr. Marissa Stein practices at 10 Woodland RD, Saint Helena, CA 945749554. Office phone: 7079633611.
What is Dr. Marissa Stein's NPI?
Dr. Marissa Stein's National Provider Identifier (NPI) is 1346256518, issued by NPPES.
Does Dr. Marissa Stein accept Medicare assignment?
Yes. Dr. Marissa Stein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Stein commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.