Dr. Aaron Robert Steimel, DO
- Part D claims, 2024
- 430
- Hospital affiliations
- 1
- Industry payments
- $109
- Medical group
- 1
- State license
- 1
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Dr. Steimel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Aaron Robert Steimel is an internist in Campbell, California
Dr. Steimel practices at Signify Health in Campbell, California.
Dr. Steimel's NPI, 1659067874, was assigned on April 12, 2023. Dr. Steimel graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2023. Dr. Steimel holds Missouri license 2023022587.
- NPI
- 1659067874NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193183176
- NPI enumeration date
- April 12, 2023
- NPI status
- Active
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Aaron Robert Steimel practices at Signify Health in Campbell, California
Dr. Steimel's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Aaron Robert Steimel is affiliated with 2 sites of care and 1 medical group
Dr. Steimel's primary practice is Signify Health in Campbell, California. Dr. Steimel is also affiliated with Mercy Hospital St. Louis. The medical group on file is Signify Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron Robert Steimel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Steimel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aaron Robert Steimel is one of 16,751 internists in California
Internal medicine is Dr. Steimel's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Steimel is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Steimel
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. Aaron Robert Steimel's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Steimel's median patient age at 72, with 53% women.
Dr. Steimel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Aaron Robert Steimel wrote 430 Medicare Part D claims in 2024
In 2024, Dr. Steimel wrote 430 Medicare Part D claims for 67 patients. 82% of them were for generic drugs. CMS names the drug for 149 of them, across 9 drugs with 11 or more claims each, at $14,988 in total drug cost.
Dr. Steimel's Part D claims by kind of drug, 2024
- Generic354 claims82%
- Brand-name and other76 claims18%
Dr. Steimel'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. Steimel's Part D claims, 2024
- Opioids4%17 of 430 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Dr. Aaron Robert Steimel received $109 in industry payments from 2023 to 2025
CMS Open Payments shows 4 general payments to Dr. Steimel from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $57.
General payments to Dr. Steimel by program year, 2023 to 2025
Companies that paid Dr. Steimel the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aaron Robert Steimel graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Steimel graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron Robert Steimel'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Aaron Robert Steimel
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. Aaron Robert Steimel's NPI number?
Dr. Aaron Robert Steimel's NPI number is 1659067874. It was assigned on April 12, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron Robert Steimel?
Dr. Aaron Robert Steimel is an internist in Campbell, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Aaron Robert Steimel practice?
Dr. Steimel practices at 900 E Hamilton Ave, Campbell, CA 95008. Dr. Steimel's primary practice is Signify Health in Campbell, California.
What is Dr. Aaron Robert Steimel's office phone number?
The practice phone on file for Dr. Steimel is (469) 466-7007.
What is Dr. Aaron Robert Steimel's medical license number?
Dr. Steimel holds Missouri license 2023022587.
Which hospitals is Dr. Aaron Robert Steimel affiliated with?
Dr. Steimel is affiliated with Mercy Hospital St. Louis.
What medical group is Dr. Aaron Robert Steimel part of?
Dr. Steimel is linked to Signify Health.
Where did Dr. Aaron Robert Steimel go to medical school?
Dr. Steimel graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2023.
What drugs does Dr. Aaron Robert Steimel prescribe most?
In 2024 Medicare Part D data, Dr. Steimel's most prescribed drugs by claims were Losartan Potassium, Gabapentin and Atorvastatin Calcium.
Has Dr. Aaron Robert Steimel received payments from drug or device companies?
CMS Open Payments shows $109 in general payments to Dr. Steimel from 3 companies from 2023 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Aaron Robert Steimel been practicing?
Dr. Steimel graduated from medical school in 2023, 3 years ago.
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