Doctor profile · Federal record

Dr. Matthew Ray, DO

Nephrology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Spokane, WA

  • NPI 1275952541
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
400 E 5Th Ave # 4N
Spokane, WA 992021334
(509) 342-3915
fax (509) 342-3916
Additional location
101 W 8Th Ave
Spokane, WA 992042307
(509) 474-3260
fax (509) 227-7070
Additional location
104 W 5Th Ave, Ste 200W
Spokane, WA 992044880
(509) 624-2313
fax (509) 459-0686
Show 1 more location
Additional location
12700 E 19Th Ave Rm 7018
Aurora, CO 80045
(303) 724-4868

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
December 2, 2020
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Washington #OP60645891 · Colorado #TL.0007356

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275952541. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,409
Distinct HCPCS
10
Medicare allowed
$160,677
HCPCS Description Services Patients Avg allowed
90970 Dialysis services, per day, less than full month service (20 years or older) 378 11 $9
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 237 109 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 176 131 $126
90962 Dialysis services, 1 physician visit per month (20 years or older) 144 47 $193
99215 Established patient office or other outpatient visit, 40-54 minutes 111 72 $176
90935 Hemodialysis procedure with physician evaluation 104 44 $70
90966 Home dialysis services per month (20 years or older) 101 18 $263
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 48 16 $348
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 45 $125
99205 New patient office or other outpatient visit, 60-74 minutes 31 31 $212

In context: peer comparison

Among 9 peers in this city , average services per provider: 105. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$938
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 7 $747.65
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $79.58
CALLIDITAS THERAPEUTICS US INC. 1 $60.00
AstraZeneca Pharmaceuticals LP 1 $50.49

By nature of payment

Food and Beverage
$938

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,068
Patients
384
Total drug cost
$149,886
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 131 49 $1,396
Furosemide Generic 106 38 $1,175
Calcitriol Generic 105 36 $2,818
Lisinopril Generic 105 31 $887
Carvedilol Generic 92 32 $1,252
Losartan Potassium Generic 82 32 $1,614
Tamsulosin Hcl Generic 78 27 $1,691
Allopurinol Generic 75 22 $1,380
Farxiga (Dapagliflozin Propanediol) Brand 65 17 $68,544
Jardiance (Empagliflozin) Brand 46 18 $62,517

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Ray's medical specialty?
Dr. Matthew Ray practices Nephrology Physician in Spokane, WA.
Where does Dr. Matthew Ray practice?
Dr. Matthew Ray practices at 400 E 5Th Ave # 4N, Spokane, WA 992021334. Office phone: 5093423915.
What is Dr. Matthew Ray's NPI?
Dr. Matthew Ray's National Provider Identifier (NPI) is 1275952541, issued by NPPES.
Does Dr. Matthew Ray accept Medicare assignment?
Yes. Dr. Matthew Ray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Ray commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services (HCPCS 90970); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.