Doctor profile · Federal record

Dr. Matthew Day, M.D.

Nephrology Physician (CMS: Nephrology) · Savannah, GA

  • NPI 1619237328
  • Accepts Medicare
  • MIPS 80.4 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 E 66Th St
Savannah, GA 314054339
(912) 356-5643
fax (912) 354-4430
Mailing address
1120 15Th St, Bi 5070
Augusta, GA 30912

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
February 26, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Georgia #84151

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619237328. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,541
Distinct HCPCS
8
Medicare allowed
$164,749
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 853 146 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 185 138 $121
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 173 24 $282
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 102 38 $45
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99 79 $113
99213 Established patient office or other outpatient visit, 20-29 minutes 94 80 $85
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $159
90962 Dialysis services, 1 physician visit per month (20 years or older) 15 11 $193

In context: peer comparison

Among 5 peers in this city , average services per provider: 190. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$367
Transactions
17
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Vifor Pharma, Inc. 3 $66.79
Otsuka America Pharmaceutical, Inc. 2 $55.87
Mallinckrodt Hospital Products Inc. 3 $54.97
Amgen Inc. 2 $44.27
CALLIDITAS THERAPEUTICS US INC. 2 $40.55
Bayer Healthcare Pharmaceuticals Inc. 2 $32.20
Travere Therapeutics, Inc. 1 $30.78
Aurinia Pharma U.S., Inc. 1 $24.85
AstraZeneca Pharmaceuticals LP 1 $16.72

By nature of payment

Food and Beverage
$367

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
969
Patients
271
Total drug cost
$58,170
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 152 38 $937
Calcitriol Generic 119 31 $2,635
Hydralazine Hcl Generic 107 29 $3,105
Carvedilol Generic 95 29 $905
Furosemide Generic 93 31 $630
Calcium Acetate Generic 72 22 $10,000
Losartan Potassium Generic 61 17 $740
Potassium Chloride Generic 48 12 $1,146
Sevelamer Carbonate Generic 39 13 $7,575
Ciprofloxacin Hcl Generic 36 26 $262

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Day's medical specialty?
Dr. Matthew Day practices Nephrology Physician in Savannah, GA.
Where does Dr. Matthew Day practice?
Dr. Matthew Day practices at 500 E 66Th St, Savannah, GA 314054339. Office phone: 9123565643.
What is Dr. Matthew Day's NPI?
Dr. Matthew Day's National Provider Identifier (NPI) is 1619237328, issued by NPPES.
Does Dr. Matthew Day accept Medicare assignment?
Yes. Dr. Matthew Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Day commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.