Doctor profile · Federal record

Dr. Glenn Chiang, M.D.

Nephrology Physician (CMS: Nephrology) · Newport Beach, CA

  • NPI 1285697227
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
520 Superior Ave, Suite 340
Newport Beach, CA 926633637
(949) 631-9215
fax (949) 631-4576
Mailing address
705 W la Veta Ave, Ste 107
Orange, CA 928684447

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
February 22, 2019
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #G80417

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285697227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,957
Distinct HCPCS
10
Medicare allowed
$278,322
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 503 276 $109
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 501 122 $81
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 325 39 $368
99213 Established patient office or other outpatient visit, 20-29 minutes 280 204 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 125 85 $125
90935 Hemodialysis procedure with physician evaluation 91 31 $75
99204 New patient office or other outpatient visit, 45-59 minutes 39 39 $183
81000 Manual urinalysis test with examination using microscope, non-automated 38 38 $4
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $186
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 18 16 $294

In context: peer comparison

Among 3 peers in Newport Beach Nephrology Physician, average services per provider: 179. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$434
Transactions
16
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 3 $85.27
Novo Nordisk INC 2 $49.24
Calliditas Therapeutics US INC. 1 $40.23
Amgen INC. 1 $34.04
Alexion Pharmaceuticals, INC. 1 $33.75
Averitas Pharma INC. 1 $30.00
Fresenius USA Marketing, INC. 1 $28.53
Vifor Pharma, INC. 1 $26.92
Ardelyx, INC. 1 $25.26
Novartis Pharmaceuticals Corporation 1 $22.87
Bayer Healthcare Pharmaceuticals INC. 1 $21.42
Otsuka America Pharmaceutical, INC. 1 $19.93
Boehringer Ingelheim Pharmaceuticals, INC. 1 $16.82

By nature of payment

Food and Beverage
$402
Education
$32

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
959
Patients
240
Total drug cost
$58,362
Drug Type Claims Patients Total cost
Losartan Potassium Generic 133 38 $2,090
Furosemide Generic 90 28 $790
Sevelamer Carbonate Generic 85 26 $20,088
Amlodipine Besylate Generic 79 27 $634
Calcitriol Generic 72 24 $2,005
Bumetanide Generic 70 18 $2,273
Prosol (Parenteral Amino Acid 20% No.1) Brand 68 0 $10,901
Paricalcitol Generic 67 20 $9,688
Allopurinol Generic 66 18 $1,092
Lisinopril Generic 64 17 $760

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Glenn Chiang's medical specialty?
Dr. Glenn Chiang practices Nephrology Physician in Newport Beach, CA.
Where does Dr. Glenn Chiang practice?
Dr. Glenn Chiang practices at 520 Superior Ave, Newport Beach, CA 926633637. Office phone: 9496319215.
What is Dr. Glenn Chiang's NPI?
Dr. Glenn Chiang's National Provider Identifier (NPI) is 1285697227, issued by NPPES.
Does Dr. Glenn Chiang accept Medicare assignment?
Yes. Dr. Glenn Chiang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Glenn Chiang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); 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). Source: CMS Medicare Physician & Other Practitioners file.