Doctor profile · Federal record

Dr. Jessica Mega, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Internal Medicine Physician · Cardiovascular Disease Physician · Stanford, CA

  • NPI 1336123215
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
April 23, 2024
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (3)
California #C143485 · Massachusetts #2204468 · Massachusetts #220468

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336123215. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
1
Medicare allowed
$3,520
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 24 $147

In context: peer comparison

Among 33 peers in Stanford Cardiovascular Disease Physician, average services per provider: 162. This provider delivers 0.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jessica Mega's medical specialty?
Dr. Jessica Mega practices Cardiovascular Disease Physician in Stanford, CA.
Where does Dr. Jessica Mega practice?
Dr. Jessica Mega practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Jessica Mega's NPI?
Dr. Jessica Mega's National Provider Identifier (NPI) is 1336123215, issued by NPPES.
Does Dr. Jessica Mega accept Medicare assignment?
Yes. Dr. Jessica Mega accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jessica Mega commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.