Doctor profile · Federal record

Dr. Warda Zaman, D.O.

Nephrology Physician (CMS: Nephrology) · Greenbrae, CA

  • NPI 1336534585
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1341 S Eliseo Dr Ste 200
Greenbrae, CA 949042000
(154) 925-3075

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
May 15, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #20A16455

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336534585. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
827
Distinct HCPCS
9
Medicare allowed
$160,597
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 344 179 $88
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 234 33 $406
99214 Established patient office or other outpatient visit, 30-39 minutes 97 51 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 48 47 $192
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 24 $147
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 17 $135
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $198
90935 Hemodialysis procedure with physician evaluation 19 17 $79
99215 Established patient office or other outpatient visit, 40-54 minutes 15 13 $138

In context: peer comparison

Among 1 peers in Greenbrae Nephrology Physician, average services per provider: 91. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$132
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Amgen INC. 1 $75.64
AstraZeneca Pharmaceuticals Lp 1 $26.99
Lilly USA, LLC 1 $26.71
Travere Therapeutics, INC. 1 $3.08

By nature of payment

Food and Beverage
$129
Education
$3

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
411
Patients
96
Total drug cost
$86,140
Drug Type Claims Patients Total cost
Bumetanide Generic 59 22 $7,122
Amlodipine Besylate Generic 57 21 $1,133
Furosemide Generic 47 17 $565
Losartan Potassium Generic 47 22 $1,243
Chlorthalidone Generic 28 14 $1,069
Torsemide Generic 28 0 $1,151
Carvedilol Generic 26 0 $385
Farxiga (Dapagliflozin Propanediol) Brand 20 0 $26,282
Lisinopril Generic 19 0 $463
Lokelma (Sodium Zirconium Cyclosilicate) Brand 15 0 $17,456

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Warda Zaman's medical specialty?
Dr. Warda Zaman practices Nephrology Physician in Greenbrae, CA.
Where does Dr. Warda Zaman practice?
Dr. Warda Zaman practices at 1341 S Eliseo Dr Ste 200, Greenbrae, CA 949042000. Office phone: 1549253075.
What is Dr. Warda Zaman's NPI?
Dr. Warda Zaman's National Provider Identifier (NPI) is 1336534585, issued by NPPES.
Does Dr. Warda Zaman accept Medicare assignment?
Dr. Warda Zaman does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Warda Zaman 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); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.