Doctor profile · Federal record

Dr. Mary Im, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Stanford, CA

  • NPI 1952540502
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
230 N Broad St
Philadelphia, PA 191021121
(215) 762-7922
fax (215) 762-6856
Additional location
3401 N Broad St
Philadelphia, PA 191405103
(215) 707-3326
fax (215) 707-8028
Mailing address
2450 W Hunting Park Ave
Philadelphia, PA 191291302

Credentials & registration

NPPES · NUCC
NPI registered
February 2009 — 17 yrs on file
Profile last updated
August 13, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
California #C168060 · Pennsylvania #MD436159

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952540502. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$4,165
HCPCS Description Services Patients Avg allowed
01402 Anesthesia for procedure for total knee joint replacement 11 11 $379

In context: peer comparison

Among 80 peers in Stanford Anesthesiology Physician, average services per provider: 30. This provider delivers 0.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Im's medical specialty?
Dr. Mary Im practices Anesthesiology Physician in Stanford, CA.
Where does Dr. Mary Im practice?
Dr. Mary Im practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Mary Im's NPI?
Dr. Mary Im's National Provider Identifier (NPI) is 1952540502, issued by NPPES.
Does Dr. Mary Im accept Medicare assignment?
Yes. Dr. Mary Im accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Im commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.