Doctor profile · Federal record

Dr. Ahmad Mahallati-Shirazi, MD

Nephrology Physician (CMS: Nephrology) · Seattle, WA

  • NPI 1043423775
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 9Th Ave
Seattle, WA 981012756
(202) 223-6673
Mailing address
1100 Ninth Avenue, C7-Neph
Seattle, WA 98111

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
June 25, 2013
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Washington #MD60221637
Medicaid (2)
WA #1043423775 · MD #413127400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043423775. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,457
Distinct HCPCS
10
Medicare allowed
$149,496
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 312 130 $8
90935 Hemodialysis procedure with physician evaluation 200 66 $77
99215 Established patient office or other outpatient visit, 40-54 minutes 191 107 $152
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 177 69 $126
99215 Established patient office or other outpatient visit, 40-54 minutes 147 88 $177
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99 53 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 64 55 $123
99214 Established patient office or other outpatient visit, 30-39 minutes 47 37 $104
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 47 46 $184
90962 Dialysis services, 1 physician visit per month (20 years or older) 32 14 $221

In context: peer comparison

Among 32 peers in this city , average services per provider: 234. This provider delivers 6.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,236
Patients
443
Total drug cost
$31,467
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 212 76 $2,209
Losartan Potassium Generic 168 58 $3,345
Carvedilol Generic 146 55 $2,545
Furosemide Generic 116 39 $1,122
Lisinopril Generic 102 36 $1,046
Felodipine Er (Felodipine) Brand 77 24 $3,459
Atorvastatin Calcium Generic 57 20 $1,173
Calcitriol Generic 57 19 $1,949
Metoprolol Succinate Generic 49 22 $1,411
Valsartan Generic 48 18 $1,853

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ahmad Mahallati-Shirazi's medical specialty?
Dr. Ahmad Mahallati-Shirazi practices Nephrology Physician in Seattle, WA.
Where does Dr. Ahmad Mahallati-Shirazi practice?
Dr. Ahmad Mahallati-Shirazi practices at 1100 9Th Ave, Seattle, WA 981012756. Office phone: 2022236673.
What is Dr. Ahmad Mahallati-Shirazi's NPI?
Dr. Ahmad Mahallati-Shirazi's National Provider Identifier (NPI) is 1043423775, issued by NPPES.
Does Dr. Ahmad Mahallati-Shirazi accept Medicare assignment?
Yes. Dr. Ahmad Mahallati-Shirazi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ahmad Mahallati-Shirazi commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Hemodialysis procedure with physician evaluation (HCPCS 90935); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.