Dr. Shahab Aftahi, MD
- Medicare services, 2024
- 340
- Medicare patients, 2024
- 245
- Part D claims, 2024
- 132
- Hospital affiliations
- 3
- Industry payments
- $3,460
- Practice address
- 1955 West Frye Road, Chandler, AZ 85224
- Practice phone
- Call (480) 728-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Aftahi's professional email, personal email and mobile number
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Dr. Shahab Aftahi is a gastroenterologist in Chandler, Arizona
Dr. Aftahi practices at Dignity Health Chandler Regional Medical Center in Chandler, Arizona, part of CommonSpirit Health.
Dr. Aftahi's NPI, 1881656783, was assigned on April 5, 2006. Dr. Aftahi holds Arizona license 26504.
- NPI
- 1881656783NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789666397
- NPI enumeration date
- April 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 728-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shahab Aftahi practices at Dignity Health Chandler Regional Medical Center in Chandler, Arizona
Dr. Aftahi's primary practice is Dignity Health Chandler Regional Medical Center, at 1955 West Frye Road, Chandler, AZ 85224 in Maricopa County. The practice phone is (480) 728-3000.
- Dignity Health Chandler Regional Medical Center1955 West Frye Road, Chandler, AZ 85224 · Maricopa CountyPhone(480) 728-3000
Source: Dmand AI Affiliation Data
Dr. Shahab Aftahi is affiliated with 4 sites of care and 6 medical groups
Dr. Aftahi's primary practice is Dignity Health Chandler Regional Medical Center in Chandler, Arizona, part of CommonSpirit Health. Dr. Aftahi is also affiliated with Dignity Health St. Joseph's Hospital and Medical Center. The medical group on file is St. Joseph's Faculty Physicians. Dmand AI also links Dr. Aftahi to 1 more hospital, 5 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shahab Aftahi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aftahi practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health Chandler Regional Medical Center | Available with a free account |
| +3 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shahab Aftahi is one of 380 gastroenterologists in Arizona
Gastroenterology is Dr. Aftahi's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Aftahi is licensed in Arizona.
Specialties and state licenses
- Gastroenterology, ArizonaPrimary
Gastroenterologists near Dr. Aftahi
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Shahab Aftahi billed Medicare for 340 services in 2024
CMS data shows 340 Medicare services from Dr. Aftahi across 13 procedure codes in 2024, for 245 Medicare patients. Medicare paid $31,461 for them.
Dr. Aftahi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2112024: 1977%
- Surgery
- 2023: 982024: 14346%
Where Dr. Aftahi's Medicare services took place, 2024
- In an office3510%
- In a facility30590%
Dr. Aftahi compared with the Arizona median for gastroenterologists, 2024
- Dr. Aftahi
- Arizona median
- Medicare services
- 340vs 50833% below
- Medicare patients
- 245vs 31923% below
- Part D claims
- 78vs 31075% below
Medians across 369 gastroenterologists in Arizona with Dmand AI profiles that report each measure.
Dr. Aftahi's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Aftahi and other gastroenterologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shahab Aftahi treated 245 Medicare patients in 2024, average age 75
CMS counts 245 Medicare patients who saw Dr. Aftahi in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Aftahi's median patient age at 59, with 50% women.
Dr. Aftahi's Medicare patients by age, 2024
Dr. Aftahi's Medicare patients by sex, 2024
- Women13455%
- Men11145%
Chronic conditions among Dr. Aftahi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease43%
- Chronic kidney disease41%
- Atrial fibrillation33%
- Diabetes33%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Aftahi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shahab Aftahi wrote 132 Medicare Part D claims in 2024
In 2024, Dr. Aftahi wrote 132 Medicare Part D claims for 64 patients. 86% of them were for generic drugs. CMS names the drug for 78 of them, across 3 drugs with 11 or more claims each, at $954 in total drug cost. In 2023, CMS named 50 claims across 1 drug.
Dr. Aftahi's Part D claims by kind of drug, 2024
- Generic113 claims86%
- Brand-name19 claims14%
Dr. Aftahi's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 502024: 7856%
Drugs named by CMS: 3 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Shahab Aftahi ranks in the 84th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Aftahi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 143 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Aftahi, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Aftahi ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 84th percentile143 procedures
- Colonoscopy
- 72nd percentile73 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Shahab Aftahi received $3,460 in industry payments from 2016 to 2025
CMS Open Payments shows 114 general payments to Dr. Aftahi from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $306.
General payments to Dr. Aftahi by program year, 2016 to 2025
Companies that paid Dr. Aftahi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Shahab Aftahi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Shahab Aftahi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Shahab Aftahi's NPI number?
Dr. Shahab Aftahi's NPI number is 1881656783. It was assigned on April 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Shahab Aftahi?
Dr. Shahab Aftahi is a gastroenterologist in Chandler, Arizona. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Shahab Aftahi practice?
Dr. Aftahi practices at 1955 West Frye Road, Chandler, AZ 85224. Dr. Aftahi's primary practice is Dignity Health Chandler Regional Medical Center in Chandler, Arizona, part of CommonSpirit Health. Dmand AI also links Dr. Aftahi to 1 hospital, 5 medical groups and 1 group practice or clinic.
What is Dr. Shahab Aftahi's office phone number?
The practice phone on file for Dr. Aftahi is (480) 728-3000.
What is Dr. Shahab Aftahi's medical license number?
Dr. Aftahi holds Arizona license 26504.
Which hospitals is Dr. Shahab Aftahi affiliated with?
Dr. Aftahi practices at Dignity Health Chandler Regional Medical Center in Chandler, Arizona. Dr. Aftahi is also affiliated with Dignity Health St. Joseph's Hospital and Medical Center. Dmand AI links Dr. Aftahi to 1 more hospital.
What medical group is Dr. Shahab Aftahi part of?
Dr. Aftahi is linked to St. Joseph's Faculty Physicians. Dmand AI links Dr. Aftahi to 5 more medical groups.
Does Dr. Shahab Aftahi accept Medicare?
Yes. CMS data shows Dr. Aftahi billed Medicare for 340 services in 2024, and Dr. Aftahi accepts Medicare assignment.
How many Medicare patients does Dr. Shahab Aftahi see?
CMS counts 245 Medicare patients who saw Dr. Aftahi in 2024, with an average age of 75.
What services does Dr. Shahab Aftahi bill to Medicare?
In 2024, Dr. Aftahi's most billed Medicare services were hospital inpatient care (99222), surgery: digestive system (43239) and hospital inpatient care (99232).
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What drugs does Dr. Shahab Aftahi prescribe most?
In 2024 Medicare Part D data, Dr. Aftahi's most prescribed drugs by claims were Omeprazole, Gavilyte-G and Famotidine.
Has Dr. Shahab Aftahi received payments from drug or device companies?
CMS Open Payments shows $3,460 in general payments to Dr. Aftahi from 30 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Shahab Aftahi been practicing?
Dr. Aftahi graduated from medical school in 1985, 41 years ago.
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