Doctor profile · Federal record

Dr. Amanda Stephenson, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · San Ramon, CA

  • NPI 1609172451
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6001 Norris Canyon RD
San Ramon, CA 945835400
(925) 275-8280
Additional location
506 6Th St
Brooklyn, NY 112153609
(718) 780-5040

Credentials & registration

NPPES · NUCC
NPI registered
January 2011 — 15 yrs on file
Profile last updated
May 8, 2019
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A135576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609172451. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
404
Distinct HCPCS
4
Medicare allowed
$67,370
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 219 208 $186
99284 Emergency department visit with moderate level of medical decision making 112 109 $129
99291 Critical care, first 30-74 minutes 42 41 $232
99283 Emergency department visit with low level of medical decision making 31 31 $76

In context: peer comparison

Among 4 peers in San Ramon Emergency Medicine Physician, average services per provider: 131. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
137
Patients
137
Total drug cost
$1,381
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 30 30 $205
Ondansetron Odt (Ondansetron) Brand 28 28 $416
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 23 23 $298
Cephalexin Generic 19 19 $163
Doxycycline Hyclate Generic 14 14 $194
Prednisone Generic 12 12 $37
Ciprofloxacin Hcl Generic 11 11 $69

Frequently asked questions

Auto-generated from federal data
What is Dr. Amanda Stephenson's medical specialty?
Dr. Amanda Stephenson practices Emergency Medicine Physician in San Ramon, CA.
Where does Dr. Amanda Stephenson practice?
Dr. Amanda Stephenson practices at 6001 Norris Canyon RD, San Ramon, CA 945835400. Office phone: 9252758280.
What is Dr. Amanda Stephenson's NPI?
Dr. Amanda Stephenson's National Provider Identifier (NPI) is 1609172451, issued by NPPES.
Does Dr. Amanda Stephenson accept Medicare assignment?
Yes. Dr. Amanda Stephenson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amanda Stephenson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.