Doctor profile · Federal record

Dr. Ali Zirakzadeh, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Boulder, CO

  • NPI 1609846567
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5495 Arapahoe Ave Ste 100
Boulder, CO 803031224
(303) 415-4250
fax (303) 440-9629
Additional location
777 Bannock St, Mail Code 0151
Denver, CO 802044507
(303) 602-8270
fax (303) 602-8277
Mailing address
Po Box 9049
Boulder, CO 803019049

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
September 27, 2024
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Colorado #DR.0049158
Medicaid
MN #398689600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609846567. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
852
Distinct HCPCS
10
Medicare allowed
$69,501
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 264 181 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 172 145 $71
99215 Established patient office or other outpatient visit, 40-54 minutes 131 103 $117
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 115 115 $54
G0008 Administration of influenza virus vaccine 44 44 $31
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 39 39 $76
99212 Established patient office or other outpatient visit, 10-19 minutes 33 32 $59
90480 Admn sarscov2 vacc 1 dose 19 19 $41
91322 Sarscov2 vac 50 mcg/0.5ml im 19 19 $143
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 16 16 $88

In context: peer comparison

Among 21 peers in Boulder Internal Medicine Physician, average services per provider: 87. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $24.11
Merck Sharp & Dohme LLC 1 $17.63

By nature of payment

Food and Beverage
$42

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,326
Patients
582
Total drug cost
$74,605
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 229 112 $3,226
Levothyroxine Sodium Generic 160 71 $2,976
Rosuvastatin Calcium Generic 117 50 $1,733
Lisinopril Generic 111 54 $854
Losartan Potassium Generic 84 33 $1,917
Amlodipine Besylate Generic 82 44 $708
Trazodone Hcl Generic 75 27 $722
Zolpidem Tartrate Generic 74 29 $702
Gabapentin Generic 70 31 $2,042
Simvastatin Generic 62 27 $782

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ali Zirakzadeh's medical specialty?
Dr. Ali Zirakzadeh practices Internal Medicine Physician in Boulder, CO.
Where does Dr. Ali Zirakzadeh practice?
Dr. Ali Zirakzadeh practices at 5495 Arapahoe Ave Ste 100, Boulder, CO 803031224. Office phone: 3034154250.
What is Dr. Ali Zirakzadeh's NPI?
Dr. Ali Zirakzadeh's National Provider Identifier (NPI) is 1609846567, issued by NPPES.
Does Dr. Ali Zirakzadeh accept Medicare assignment?
Yes. Dr. Ali Zirakzadeh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ali Zirakzadeh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.