Doctor profile · Federal record

Dr. Mary Margaret Lim, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Seattle, WA

  • NPI 1477816734
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1100 9Th Ave
Seattle, WA 981012756
(206) 223-6980
fax (206) 223-6982
Additional location
200 Lothrop St
Pittsburgh, PA 152132536
(412) 958-7034

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
January 14, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Washington #MD61107971

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477816734. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
231
Distinct HCPCS
8
Medicare allowed
$23,536
HCPCS Description Services Patients Avg allowed
36620 Insertion of artery tube for blood sampling or infusion through skin 70 70 $46
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 29 27 $102
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 29 29 $87
93312 Ultrasound of heart with probe in esophagus, with report 26 26 $111
93320 Ultrasound of heart blood flow, valves and chambers 24 24 $19
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 22 22 $3
00790 Anesthesia for other procedure on upper abdomen 18 18 $315
00560 Anesthesia for procedure on heart and large blood vessels 13 13 $443

In context: peer comparison

Among 172 peers in this city , average services per provider: 23. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ShockWave Medical, Inc 1 $24.18

By nature of payment

Food and Beverage
$24

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Margaret Lim's medical specialty?
Dr. Mary Margaret Lim practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Mary Margaret Lim practice?
Dr. Mary Margaret Lim practices at 1100 9Th Ave, Seattle, WA 981012756. Office phone: 2062236980.
What is Dr. Mary Margaret Lim's NPI?
Dr. Mary Margaret Lim's National Provider Identifier (NPI) is 1477816734, issued by NPPES.
Does Dr. Mary Margaret Lim accept Medicare assignment?
Yes. Dr. Mary Margaret Lim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Margaret Lim commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556). Source: CMS Medicare Physician & Other Practitioners file.