Doctor profile · Federal record

Dr. Theodorus van den Helder, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · San Diego, CA

  • NPI 1174550438
  • Accepts Medicare
  • MIPS 79.2 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3626 Ruffin RD
San Diego, CA 921231810
(858) 565-9666
fax (858) 565-9441

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 7, 2007
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A63559
Medicaid
CA #00A635590

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174550438. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
168
Distinct HCPCS
7
Medicare allowed
$30,241
HCPCS Description Services Patients Avg allowed
76937 Ultrasonic guidance for blood vessel access 33 31 $14
36620 Insertion of artery tube for blood sampling or infusion through skin 31 31 $45
76942 Ultrasonic guidance for needle placement 26 26 $32
01214 Anesthesia for total hip replacement 25 25 $331
00670 Anesthesia for extensive surgery on spine 19 19 $687
01402 Anesthesia for procedure for total knee joint replacement 17 17 $302
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 17 17 $65

In context: peer comparison

Among 160 peers in San Diego Anesthesiology Physician, average services per provider: 24. This provider delivers 7.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Theodorus van den Helder's medical specialty?
Dr. Theodorus van den Helder practices Anesthesiology Physician in San Diego, CA.
Where does Dr. Theodorus van den Helder practice?
Dr. Theodorus van den Helder practices at 3626 Ruffin RD, San Diego, CA 921231810. Office phone: 8585659666.
What is Dr. Theodorus van den Helder's NPI?
Dr. Theodorus van den Helder's National Provider Identifier (NPI) is 1174550438, issued by NPPES.
Does Dr. Theodorus van den Helder accept Medicare assignment?
Yes. Dr. Theodorus van den Helder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theodorus van den Helder commonly perform?
Top Medicare-reported procedures in 2023: Ultrasonic guidance for blood vessel access (HCPCS 76937); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Ultrasonic guidance for needle placement (HCPCS 76942). Source: CMS Medicare Physician & Other Practitioners file.