Doctor profile · Federal record
Dr. Ari Katerelos, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Tamuning, GU
- NPI 1861607418
- Accepts Medicare
- MIPS 85.4 / 100 · 2023
- 21 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
633 Gov Carlos Camacho RD Ste B-1
Tamuning, GU 96913
(671) 646-3363
fax (671) 646-4873 - Additional location
-
401 E Highland Ave Ste D
San Bernardino, CA 924043800
(909) 475-2700
fax (909) 475-2738 - Mailing address
-
633 Gov Carlos Camacho RD, Suite B1
Tamuning, GU 96913
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- March 4, 2026
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (2)
- Guam #M-1914 · California #A99003
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861607418. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,667
Distinct HCPCS
10
Medicare allowed
$2,627,486
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 1,259 | 217 | $137 | |
77525 |
Complex proton beam radiation treatment | 1,218 | 187 | $1,291 | |
77523 |
Intermediate proton beam radiation treatment | 630 | 99 | $1,147 | |
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 597 | 88 | $85 | |
A9579 |
Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml | 447 | 22 | $2 | |
77336 |
Continuing radiation therapy consultation per week | 234 | 126 | $99 | |
77334 |
Design and construction of complex radiation treatment device | 127 | 89 | $140 | |
77427 |
Radiation treatment management, 5 treatment sessions | 42 | 31 | $202 | |
77300 |
Calculation of radiation therapy dose | 41 | 11 | $73 | |
77373 |
Cranial lesion surgery using radiation over multiple sessions | 41 | 17 | $1,175 |
In context: peer comparison
Among 1 peers in Tamuning Radiation Oncology Physician, average services per provider: 388. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$525
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $525.00 |
By nature of payment
Frequently asked questions
What is Dr. Ari Katerelos's medical specialty?
Dr. Ari Katerelos practices Radiation Oncology Physician in Tamuning, GU.
Where does Dr. Ari Katerelos practice?
Dr. Ari Katerelos practices at 633 Gov Carlos Camacho RD Ste B-1, Tamuning, GU 96913. Office phone: 6716463363.
What is Dr. Ari Katerelos's NPI?
Dr. Ari Katerelos's National Provider Identifier (NPI) is 1861607418, issued by NPPES.
Does Dr. Ari Katerelos accept Medicare assignment?
Yes. Dr. Ari Katerelos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ari Katerelos commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Complex proton beam radiation treatment (HCPCS 77525); Intermediate proton beam radiation treatment (HCPCS 77523). Source: CMS Medicare Physician & Other Practitioners file.