Dr. Gregory Aran, DO
- Medicare services, 2024
- 327
- Medicare patients, 2024
- 164
- Part D claims, 2024
- 257
- Hospital affiliations
- 3
- Industry payments
- $18
- Practice address
- 350 West Thomas Road, Phoenix, AZ 85013
- Practice phone
- Call (602) 406-8225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Aran's professional email, personal email and mobile number
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Dr. Gregory Aran is an internist in Phoenix, Arizona
Dr. Aran practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health.
Dr. Aran's NPI, 1912460718, was assigned on April 9, 2019. Dr. Aran holds Arizona license 009692.
- NPI
- 1912460718NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032593041
- NPI enumeration date
- April 9, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 406-8225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Aran practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona
Dr. Aran's primary practice is Dignity Health St. Joseph's Hospital and Medical Center, at 350 West Thomas Road, Phoenix, AZ 85013 in Maricopa County. The practice phone is (602) 406-8225.
- Dignity Health St. Joseph's Hospital and Medical Center350 West Thomas Road, Phoenix, AZ 85013 · Maricopa CountyPhone(602) 406-8225
Source: Dmand AI Affiliation Data
Dr. Gregory Aran is affiliated with 4 sites of care and 1 medical group
Dr. Aran's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health. Dr. Aran is also affiliated with Select Specialty Hospital - Phoenix. The medical group on file is St. Joseph's Faculty Physicians. Dmand AI also links Dr. Aran to 1 more hospital and 1 skilled nursing facility, 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. Gregory Aran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aran practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health St. Joseph's Hospital and Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Aran is one of 2,420 internists in Arizona
Internal medicine is Dr. Aran's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Aran is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Aran
Counts of internists 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. Gregory Aran billed Medicare for 327 services in 2024
CMS data shows 327 Medicare services from Dr. Aran across 4 procedure codes in 2024, for 164 Medicare patients. Medicare paid $29,338 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Aran's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4372024: 32725%
Dr. Aran compared with the Arizona median for internists, 2024
- Dr. Aran
- Arizona median
- Medicare services
- 327vs 47631% below
- Medicare patients
- 164vs 20520% below
- Part D claims
- 54vs 26079% below
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Aran'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Aran treated 164 Medicare patients in 2024, average age 74
CMS counts 164 Medicare patients who saw Dr. Aran in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.21, 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. Aran's median patient age at 66, with 52% women.
Dr. Aran's Medicare patients by age, 2024
Dr. Aran's Medicare patients by sex, 2024
- Women8351%
- Men8149%
Chronic conditions among Dr. Aran's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease51%
- Chronic kidney disease47%
- Diabetes43%
- Atrial fibrillation41%
- Heart failure41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Aran's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Aran wrote 257 Medicare Part D claims in 2024
In 2024, Dr. Aran wrote 257 Medicare Part D claims for 121 patients. 82% of them were for generic drugs. CMS names the drug for 54 of them, across 4 drugs with 11 or more claims each, at $8,498 in total drug cost. In 2023, CMS named 68 claims across 4 drugs.
Dr. Aran's Part D claims by kind of drug, 2024
- Generic210 claims82%
- Brand-name and other47 claims18%
Dr. Aran'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.
Drug classes CMS tracks in Dr. Aran's Part D claims, 2024
- Opioids6%16 of 257 claims
- Antibiotics16%42 of 257 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 682024: 5421%
Drugs named by CMS: 4 in 2024, 4 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
How Dr. Gregory Aran takes part in Medicare
Dr. Aran accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Aran received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Aran from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $18.
Companies that paid Dr. Aran the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory Aran'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) |
| 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. Gregory Aran
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. Gregory Aran's NPI number?
Dr. Gregory Aran's NPI number is 1912460718. It was assigned on April 9, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Aran?
Dr. Gregory Aran is an internist in Phoenix, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory Aran practice?
Dr. Aran practices at 350 West Thomas Road, Phoenix, AZ 85013. Dr. Aran's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health. Dmand AI also links Dr. Aran to 1 hospital and 1 skilled nursing facility.
What is Dr. Gregory Aran's office phone number?
The practice phone on file for Dr. Aran is (602) 406-8225.
What is Dr. Gregory Aran's medical license number?
Dr. Aran holds Arizona license 009692.
Which hospitals is Dr. Gregory Aran affiliated with?
Dr. Aran practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona. Dr. Aran is also affiliated with Select Specialty Hospital - Phoenix. Dmand AI links Dr. Aran to 1 more hospital.
What medical group is Dr. Gregory Aran part of?
Dr. Aran is linked to St. Joseph's Faculty Physicians.
Does Dr. Gregory Aran accept Medicare?
Yes. CMS data shows Dr. Aran billed Medicare for 327 services in 2024, and Dr. Aran accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Aran see?
CMS counts 164 Medicare patients who saw Dr. Aran in 2024, with an average age of 74.
What services does Dr. Gregory Aran bill to Medicare?
In 2024, Dr. Aran's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
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What drugs does Dr. Gregory Aran prescribe most?
In 2024 Medicare Part D data, Dr. Aran's most prescribed drugs by claims were Clopidogrel, Eliquis and Amoxicillin-Clavulanate Potass.
Has Dr. Gregory Aran received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Aran from 1 company from 2025 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Gregory Aran been practicing?
Dr. Aran graduated from medical school in 2019, 7 years ago.
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