Doctor profile · Federal record

Dr. Doris Galina-da Silva, Doris Galinada Silva

Nephrology Physician (CMS: Nephrology) · Antioch, CA

  • NPI 1043528979
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2370 Country Hills Dr Ste 101
Antioch, CA 945097436
(925) 779-9635
fax (925) 779-9672
Additional location
2222 East St Ste 305
Concord, CA 945202066
(925) 626-1230
fax (925) 686-8843
Mailing address
2222 East St Ste 305
Concord, CA 945202066

Credentials & registration

NPPES · NUCC
NPI registered
September 2010 — 16 yrs on file
Profile last updated
July 7, 2022
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A129475

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043528979. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,650
Distinct HCPCS
10
Medicare allowed
$260,236
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 430 183 $133
99214 Established patient office or other outpatient visit, 30-39 minutes 417 145 $141
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 248 145 $90
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 172 26 $402
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 132 123 $195
90935 Hemodialysis procedure with physician evaluation 69 55 $79
99215 Established patient office or other outpatient visit, 40-54 minutes 44 26 $175
90945 Dialysis procedure including 1 evaluation 38 11 $99
99213 Established patient office or other outpatient visit, 20-29 minutes 28 27 $105
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 21 $56

In context: peer comparison

Among 1 peers in this city , average services per provider: 126. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$746
Transactions
18
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 7 $358.00
Ardelyx, Inc. 2 $144.66
Fresenius USA Marketing, Inc. 6 $123.13
NXSTAGE MEDICAL, INC. 2 $104.86
Mallinckrodt Hospital Products Inc. 1 $15.10

By nature of payment

Food and Beverage
$746

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
865
Patients
294
Total drug cost
$146,440
Drug Type Claims Patients Total cost
Furosemide Generic 97 37 $1,039
Carvedilol Generic 87 30 $1,122
Lisinopril Generic 81 36 $1,012
Hydralazine Hcl Generic 79 27 $1,855
Amlodipine Besylate Generic 77 30 $1,280
Losartan Potassium Generic 73 30 $2,046
Jardiance (Empagliflozin) Brand 53 17 $68,342
Farxiga (Dapagliflozin Propanediol) Brand 47 0 $36,183
Lokelma (Sodium Zirconium Cyclosilicate) Brand 47 24 $22,338
Prednisone Generic 44 12 $334

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Doris Galina-da Silva's medical specialty?
Dr. Doris Galina-da Silva practices Nephrology Physician in Antioch, CA.
Where does Dr. Doris Galina-da Silva practice?
Dr. Doris Galina-da Silva practices at 2370 Country Hills Dr Ste 101, Antioch, CA 945097436. Office phone: 9257799635.
What is Dr. Doris Galina-da Silva's NPI?
Dr. Doris Galina-da Silva's National Provider Identifier (NPI) is 1043528979, issued by NPPES.
Does Dr. Doris Galina-da Silva accept Medicare assignment?
Yes. Dr. Doris Galina-da Silva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Doris Galina-da Silva 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 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.