Doctor profile · Federal record

Dr. Martin Ojong-Ntui, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Washington, DC

  • NPI 1679644488
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 23Rd St Nw
Washington, DC 200372342
(202) 715-5120
fax (202) 741-3396
Mailing address
2150 Pennsylvania Ave Nw
Washington, DC 200373201

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
District of Columbia #MD 33765

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679644488. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
821
Distinct HCPCS
10
Medicare allowed
$82,490
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 350 55 $50
77427 Radiation treatment management, 5 treatment sessions 112 29 $205
77300 Calculation of radiation therapy dose 62 22 $37
77334 Design and construction of complex radiation treatment device 61 26 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 56 43 $109
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 30 27 $43
77263 Complex radiation therapy planning 27 25 $190
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 25 23 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 23 20 $159
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $149

In context: peer comparison

Among 13 peers in Washington Radiation Oncology Physician, average services per provider: 122. This provider delivers 6.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$684
Transactions
18
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Sumitomo Pharma America, INC. 9 $409.00
Boston Scientific Corporation 4 $125.52
Teleflex LLC 1 $40.06
Novocure INC. 1 $34.80
Novartis Pharmaceuticals Corporation 1 $30.55
Siemens Medical Solutions USA, INC. 1 $29.11
Tactile Systems Technology INC 1 $14.83

By nature of payment

Food and Beverage
$684

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Martin Ojong-Ntui's medical specialty?
Dr. Martin Ojong-Ntui practices Radiation Oncology Physician in Washington, DC.
Where does Dr. Martin Ojong-Ntui practice?
Dr. Martin Ojong-Ntui practices at 900 23Rd St Nw, Washington, DC 200372342. Office phone: 2027155120.
What is Dr. Martin Ojong-Ntui's NPI?
Dr. Martin Ojong-Ntui's National Provider Identifier (NPI) is 1679644488, issued by NPPES.
Does Dr. Martin Ojong-Ntui accept Medicare assignment?
Yes. Dr. Martin Ojong-Ntui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martin Ojong-Ntui commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.