Doctor profile · Federal record

Dr. Angelo de Mattos, MD

Nephrology Physician (CMS: Nephrology) · Portland, OR

  • NPI 1619984812
  • Accepts Medicare
  • MIPS 67.7 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-3442
fax (503) 494-5330

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 5, 2019
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Oregon #MD192424
Medicaid (2)
AL #009981565 · AL #009981555

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619984812. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
451
Distinct HCPCS
6
Medicare allowed
$59,786
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 198 61 $121
99215 Established patient office or other outpatient visit, 40-54 minutes 138 69 $144
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 44 41 $169
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 33 18 $81
99496 Transitional care management services for problem of high complexity 22 22 $195
99214 Established patient office or other outpatient visit, 30-39 minutes 16 12 $99

In context: peer comparison

Among 24 peers in Portland Nephrology Physician, average services per provider: 83. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
940
Patients
320
Total drug cost
$44,279
Drug Type Claims Patients Total cost
Carvedilol Generic 145 39 $1,052
Prednisone Generic 126 51 $1,313
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 97 49 $730
Omeprazole Generic 91 18 $1,205
Famotidine Generic 80 29 $706
Nifedipine ER (Nifedipine) Brand 80 19 $1,674
Valganciclovir Hcl Generic 79 40 $13,420
Atorvastatin Calcium Generic 61 17 $636
Tradjenta (Linagliptin) Brand 36 0 $19,873
Tamsulosin Hcl Generic 28 11 $414

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Angelo de Mattos's medical specialty?
Dr. Angelo de Mattos practices Nephrology Physician in Portland, OR.
Where does Dr. Angelo de Mattos practice?
Dr. Angelo de Mattos practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034943442.
What is Dr. Angelo de Mattos's NPI?
Dr. Angelo de Mattos's National Provider Identifier (NPI) is 1619984812, issued by NPPES.
Does Dr. Angelo de Mattos accept Medicare assignment?
Yes. Dr. Angelo de Mattos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Angelo de Mattos commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.