Doctor profile · Federal record

Dr. Ashok Nath, M.D.,

Nephrology Physician (CMS: Nephrology) · San Bernardino, CA

  • NPI 1992951115
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
401 E Highland Ave Ste 551
San Bernardino, CA 924043840
(909) 882-9150
fax (909) 883-8972
Additional location
264 N Highland Springs Ave
Banning, CA 922203082
(951) 769-9776
fax (951) 769-9026
Mailing address
3660 Park Sierra Dr Ste 203
Riverside, CA 925053071

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
August 11, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A128657

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992951115. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,503
Distinct HCPCS
10
Medicare allowed
$230,331
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 711 215 $80
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 305 49 $359
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 138 74 $120
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 78 76 $129
90935 Hemodialysis procedure with physician evaluation 73 53 $73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 68 65 $174
99214 Established patient office or other outpatient visit, 30-39 minutes 55 39 $115
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 29 23 $299
99213 Established patient office or other outpatient visit, 20-29 minutes 19 17 $86
90937 Hemodialysis procedure requiring repeated evaluation 15 15 $103

In context: peer comparison

Among 4 peers in this city , average services per provider: 120. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,688
Transactions
66
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Ardelyx, Inc. 10 $297.12
AKEBIA THERAPEUTICS INC 7 $237.64
Bayer Healthcare Pharmaceuticals Inc. 8 $162.53
AstraZeneca Pharmaceuticals LP 9 $161.74
Vifor Pharma, Inc. 6 $123.60
Otsuka America Pharmaceutical, Inc. 5 $119.42
NXSTAGE MEDICAL, INC. 1 $100.32
Mallinckrodt Hospital Products Inc. 3 $84.45
Travere Therapeutics, Inc. 3 $74.55
Boehringer Ingelheim Pharmaceuticals, Inc. 4 $70.97
GlaxoSmithKline, LLC. 2 $58.00
Novartis Pharmaceuticals Corporation 2 $57.44
OPKO Pharmaceuticals, LLC 3 $55.06
CALLIDITAS THERAPEUTICS US INC. 2 $46.48
ABBVIE INC. 1 $38.29

By nature of payment

Food and Beverage
$1,663
Education
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,351
Patients
403
Total drug cost
$629,431
Drug Type Claims Patients Total cost
Furosemide Generic 154 56 $1,950
Rayaldee (Calcifediol) Brand 128 13 $172,543
Amlodipine Besylate Generic 102 44 $1,540
Hydralazine Hcl Generic 98 35 $2,536
Losartan Potassium Generic 96 39 $3,564
Farxiga (Dapagliflozin Propanediol) Brand 95 24 $77,355
Prosol (Parenteral Amino Acid 20% No.1) Brand 91 0 $13,289
Calcitriol Generic 90 32 $3,206
Nifedipine Er (Nifedipine) Brand 89 33 $5,600
Auryxia (Ferric Citrate) Brand 88 17 $203,942

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashok Nath's medical specialty?
Dr. Ashok Nath practices Nephrology Physician in San Bernardino, CA.
Where does Dr. Ashok Nath practice?
Dr. Ashok Nath practices at 401 E Highland Ave Ste 551, San Bernardino, CA 924043840. Office phone: 9098829150.
What is Dr. Ashok Nath's NPI?
Dr. Ashok Nath's National Provider Identifier (NPI) is 1992951115, issued by NPPES.
Does Dr. Ashok Nath accept Medicare assignment?
Yes. Dr. Ashok Nath accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashok Nath commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.