Doctor profile · Federal record

Dr. Marc Delclos, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Houston, TX

  • NPI 1750497665
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 770304000
(713) 792-6161
Mailing address
Po Box 4439
Houston, TX 772104439

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 29, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Texas #J4079
Medicaid
TX #117949102

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750497665. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,263
Distinct HCPCS
10
Medicare allowed
$250,260
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 1,441 111 $20
77427 Radiation treatment management, 5 treatment sessions 391 106 $184
77300 Calculation of radiation therapy dose 353 98 $32
77334 Design and construction of complex radiation treatment device 250 75 $58
77014 Ct guidance for insertion of radiation therapy fields 202 42 $43
77263 Complex radiation therapy planning 107 100 $135
77338 Design and construction of radiation treatment device for high precision radiation therapy 78 74 $218
77301 High precision radiation therapy planning 77 74 $407
99204 New patient office or other outpatient visit, 45-59 minutes 65 65 $126
77470 Special radiation treatment 57 54 $104

In context: peer comparison

Among 55 peers in this city , average services per provider: 97. This provider delivers 34× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Delclos's medical specialty?
Dr. Marc Delclos practices Radiation Oncology Physician in Houston, TX.
Where does Dr. Marc Delclos practice?
Dr. Marc Delclos practices at 1515 Holcombe Blvd, Houston, TX 770304000. Office phone: 7137926161.
What is Dr. Marc Delclos's NPI?
Dr. Marc Delclos's National Provider Identifier (NPI) is 1750497665, issued by NPPES.
Does Dr. Marc Delclos accept Medicare assignment?
Yes. Dr. Marc Delclos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Delclos commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.