Doctor profile · Federal record

Dr. Timothy de Guzman, CRNA

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

  • NPI 1750671103
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Brookline Ave, Yamins 219
Boston, MA 022155400
(617) 667-3364
fax (617) 667-5013

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
November 1, 2016
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Massachusetts #2270440

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750671103. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
164
Distinct HCPCS
5
Medicare allowed
$13,651
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 67 65 $87
00811 Anesthesia for other procedure on large bowel using an endoscope 49 49 $79
00812 Anesthesia for exam of colon using an endoscope 24 24 $64
00732 Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 13 13 $104
00813 Anesthesia for procedure on small and large bowel using an endoscope 11 11 $97

In context: peer comparison

Among 104 peers in Boston Certified Registered Nurse Anesthetist, average services per provider: 30. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$77
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Philips North America LLC 1 $76.80

By nature of payment

Food and Beverage
$77

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy de Guzman's medical specialty?
Dr. Timothy de Guzman practices Certified Registered Nurse Anesthetist in Boston, MA.
Where does Dr. Timothy de Guzman practice?
Dr. Timothy de Guzman practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6176673364.
What is Dr. Timothy de Guzman's NPI?
Dr. Timothy de Guzman's National Provider Identifier (NPI) is 1750671103, issued by NPPES.
Does Dr. Timothy de Guzman accept Medicare assignment?
Yes. Dr. Timothy de Guzman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy de Guzman commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.