Doctor profile · Federal record

Dr. Claudia Ambrus, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Milton, MA

  • NPI 1811962905
  • Accepts Medicare
  • 42 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
199 Reedsdale RD
Milton, MA 021863926
(617) 667-3364
fax (617) 667-5013

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
February 23, 2017
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Massachusetts #138775

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811962905. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
185
Distinct HCPCS
6
Medicare allowed
$23,362
HCPCS Description Services Patients Avg allowed
01402 Anesthesia for procedure for total knee joint replacement 52 52 $180
00811 Anesthesia for other procedure on large bowel using an endoscope 46 46 $72
01214 Anesthesia for total hip replacement 36 36 $193
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 22 22 $74
00812 Anesthesia for exam of colon using an endoscope 18 18 $60
00813 Anesthesia for procedure on small and large bowel using an endoscope 11 11 $96

In context: peer comparison

Among 7 peers in Milton Certified Registered Nurse Anesthetist, average services per provider: 25. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Fisher & Paykel Healthcare INC 1 $17.05

By nature of payment

Food and Beverage
$17

Frequently asked questions

Auto-generated from federal data
What is Dr. Claudia Ambrus's medical specialty?
Dr. Claudia Ambrus practices Certified Registered Nurse Anesthetist in Milton, MA.
Where does Dr. Claudia Ambrus practice?
Dr. Claudia Ambrus practices at 199 Reedsdale RD, Milton, MA 021863926. Office phone: 6176673364.
What is Dr. Claudia Ambrus's NPI?
Dr. Claudia Ambrus's National Provider Identifier (NPI) is 1811962905, issued by NPPES.
Does Dr. Claudia Ambrus accept Medicare assignment?
Yes. Dr. Claudia Ambrus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claudia Ambrus commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for total hip replacement (HCPCS 01214). Source: CMS Medicare Physician & Other Practitioners file.