Chloride ChannelsDrosophila melanogasterDrosophila Proteins
Dr. Nathan John Dennison, DO
NPI1871098756PAC ID1951705300
- Medicare services, 2024
- 376
- Medicare patients, 2024
- 178
- Part D claims, 2024
- 4,668
- Publications
- 6
- Hospital affiliations
- 1
- 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. Dennison'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. Nathan John Dennison is an internist in Phoenix, Arizona
Dr. Dennison practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health.
Dr. Dennison's NPI, 1871098756, was assigned on March 24, 2018. Dr. Dennison holds Arizona license 009133.
NPI and contact details
- NPI
- 1871098756NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951705300
- NPI enumeration date
- March 24, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (602) 406-8225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan John Dennison practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona
Dr. Dennison'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. Nathan John Dennison is affiliated with 2 sites of care and 1 medical group
Dr. Dennison's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health. The medical group on file is St. Joseph's Faculty Physicians. Dmand AI also links Dr. Dennison to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan John Dennison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dennison practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan John Dennison is one of 2,420 internists in Arizona
Internal medicine is Dr. Dennison's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dennison is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Dennison
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
2,420internists in Arizona623internists in Phoenix32internists at Dignity Health St. Joseph's Hospital and Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nathan John Dennison billed Medicare for 376 services in 2024
CMS data shows 376 Medicare services from Dr. Dennison across 7 procedure codes in 2024, for 178 Medicare patients. Medicare paid $32,829 for them. Every service was in an office.
Medicare services, 2024376
Medicare patients178
Paid by Medicare$32,829
Procedure codes7
Dr. Dennison's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3532024: 25328%
- Other services
- 2023: 912024: 8111%
- Lab and pathology
- 2023: 182024: 2750%
- Tests and treatments
- 2023: 262024: 1542%
Dr. Dennison compared with the Arizona median for internists, 2024
- Dr. Dennison
- Arizona median
- Medicare services
- 376vs 47621% below
- Medicare patients
- 178vs 20513% below
- Part D claims
- 4,028vs 26015.5 times
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Dennison'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.
Need commercial claims for Dr. Dennison?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dennison and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan John Dennison treated 178 Medicare patients in 2024, average age 72
CMS counts 178 Medicare patients who saw Dr. Dennison in 2024. The largest group is 65 to 74, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dennison's median patient age at 66, with 59% women.
Medicare patients, 2024178
Average age72
Average risk score1.29
Also on Medicaid16%
Dr. Dennison's Medicare patients by age, 2024
Dr. Dennison's Medicare patients by sex, 2024
- Women8950%
- Men8950%
Chronic conditions among Dr. Dennison's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes38%
- Ischemic heart disease29%
- Chronic kidney disease28%
- Anxiety20%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dennison'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
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan John Dennison wrote 4,668 Medicare Part D claims in 2024
In 2024, Dr. Dennison wrote 4,668 Medicare Part D claims for 352 patients. 83% of them were for generic drugs. CMS names the drug for 4,028 of them, across 89 drugs with 11 or more claims each, at $428,644 in total drug cost. In 2023, CMS named 4,888 claims across 99 drugs.
Part D claims, 20244,668
Drugs named by CMS89
Total drug cost$428,644
Part D patients352
Dr. Dennison's Part D claims by kind of drug, 2024
- Generic3,871 claims83%
- Brand-name757 claims16%
- Other40 claims1%
Dr. Dennison'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. Dennison's Part D claims, 2024
- Opioids1%62 of 4,668 claims
- Antibiotics1%24 of 4,668 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: 4,8882024: 4,02818%
Drugs named by CMS: 89 in 2024, 99 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. Nathan John Dennison offers telehealth to Medicare patients
Dr. Dennison accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dennison as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nathan John Dennison has 6 publications on record
Dmand AI links 6 papers to Dr. Dennison, published from 2014 to 2020. The most frequent topics are Anopheles, Insect Vectors and Insect Proteins. Dr. Dennison's most frequent co-author is Britton Kenneth Odle.
Papers6
Years published2014 to 2020
Dr. Dennison's papers by year, 2014 to 2020
Topics Dr. Dennison writes about most
- Anopheles
- Insect Vectors
- Insect Proteins
Dr. Dennison's most frequent co-authors
Recent publications by Dr. Dennison
BMC Endocr Disord
Biomechanical PhenomenaBody SizeDiabetes Mellitus, Experimental
AnophelesEnterobacterGastrointestinal Tract
Dev Comp Immunol
3' Untranslated RegionsAnophelesDigestive System
Alternative SplicingAnimals, Genetically ModifiedAnopheles
See who Dr. Dennison researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dennison works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Nathan John Dennison'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Nathan John Dennison
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. Nathan John Dennison's NPI number?
Dr. Nathan John Dennison's NPI number is 1871098756. It was assigned on March 24, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan John Dennison?
Dr. Nathan John Dennison is an internist in Phoenix, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nathan John Dennison practice?
Dr. Dennison practices at 350 West Thomas Road, Phoenix, AZ 85013. Dr. Dennison'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. Dennison to 1 group practice or clinic.
What is Dr. Nathan John Dennison's office phone number?
The practice phone on file for Dr. Dennison is (602) 406-8225.
What is Dr. Nathan John Dennison's medical license number?
Dr. Dennison holds Arizona license 009133.
Which hospitals is Dr. Nathan John Dennison affiliated with?
Dr. Dennison practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona.
What medical group is Dr. Nathan John Dennison part of?
Dr. Dennison is linked to St. Joseph's Faculty Physicians.
Does Dr. Nathan John Dennison accept Medicare?
Yes. CMS data shows Dr. Dennison billed Medicare for 376 services in 2024, and Dr. Dennison accepts Medicare assignment.
Does Dr. Nathan John Dennison offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dennison as offering telehealth services.
How many Medicare patients does Dr. Nathan John Dennison see?
CMS counts 178 Medicare patients who saw Dr. Dennison in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Nathan John Dennison bill to Medicare?
In 2024, Dr. Dennison's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
What drugs does Dr. Nathan John Dennison prescribe most?
In 2024 Medicare Part D data, Dr. Dennison's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
How long has Dr. Nathan John Dennison been practicing?
Dr. Dennison graduated from medical school in 2018, 8 years ago.
Does Dr. Nathan John Dennison do research?
Dmand AI links 6 publications to Dr. Dennison, published from 2014 to 2020.
Who does Dr. Nathan John Dennison publish with?
Dr. Dennison's most frequent co-authors are Britton Kenneth Odle (1 shared paper).
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