Dr. Juan G. Pena, MD
- Medicare services, 2024
- 1,118
- Medicare patients, 2024
- 381
- Part D claims, 2024
- 410
- Hospital affiliations
- 1
- Industry payments
- $535
- Practice address
- 5301 East Grant Road, Tucson, AZ 85712
- Practice phone
- Call (520) 324-1399
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Pena's professional email, personal email and mobile number
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Dr. Juan G. Pena is an internist in Tucson, Arizona
Dr. Pena practices at Tucson Medical Center in Tucson, Arizona, part of TMC HealthCare.
Dr. Pena's NPI, 1255359238, was assigned on July 17, 2006. Dr. Pena holds Arizona license 31929.
- NPI
- 1255359238NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547154296
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 324-1399
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Juan G. Pena practices at Tucson Medical Center in Tucson, Arizona
Dr. Pena's primary practice is Tucson Medical Center, at 5301 East Grant Road, Tucson, AZ 85712 in Pima County. The practice phone is (520) 324-1399.
- Tucson Medical Center5301 East Grant Road, Tucson, AZ 85712 · Pima CountyPhone(520) 324-1399
Source: Dmand AI Affiliation Data
Dr. Juan G. Pena is affiliated with 3 sites of care and 2 medical groups
Dr. Pena's primary practice is Tucson Medical Center in Tucson, Arizona, part of TMC HealthCare. The medical group on file is Arizona Inpatient Medicine Associates (AIM). Dmand AI also links Dr. Pena to 2 more group practices and clinics and 1 medical group, 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. Juan G. Pena's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pena practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tucson Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Juan G. Pena is one of 2,420 internists in Arizona
Internal medicine is Dr. Pena's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Pena is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Pena
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. Juan G. Pena billed Medicare for 1,118 services in 2024
CMS data shows 1,118 Medicare services from Dr. Pena across 3 procedure codes in 2024, for 381 Medicare patients. Medicare paid $103,626 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Pena's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1322024: 1,1181%
Dr. Pena compared with the Arizona median for internists, 2024
- Dr. Pena
- Arizona median
- Medicare services
- 1,118vs 4762.3 times
- Medicare patients
- 381vs 20586% above
- Part D claims
- 198vs 26024% below
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Pena'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. Pena and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Juan G. Pena treated 381 Medicare patients in 2024, average age 78
CMS counts 381 Medicare patients who saw Dr. Pena in 2024. The largest group is 75 to 84, with 169 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.16, 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. Pena's median patient age at 75, with 50% women.
Dr. Pena's Medicare patients by age, 2024
Dr. Pena's Medicare patients by sex, 2024
- Women18348%
- Men19852%
Chronic conditions among Dr. Pena's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Atrial fibrillation51%
- Arthritis50%
- Chronic kidney disease49%
- Heart failure48%
- Diabetes45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pena's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
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. Juan G. Pena wrote 410 Medicare Part D claims in 2024
In 2024, Dr. Pena wrote 410 Medicare Part D claims for 174 patients. 89% of them were for generic drugs. CMS names the drug for 198 of them, across 9 drugs with 11 or more claims each, at $943 in total drug cost. In 2023, CMS named 378 claims across 15 drugs.
Dr. Pena's Part D claims by kind of drug, 2024
- Generic366 claims89%
- Brand-name and other44 claims11%
Dr. Pena'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. Pena's Part D claims, 2024
- Opioids10%40 of 410 claims
- Antibiotics8%32 of 410 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: 3782024: 19848%
Drugs named by CMS: 9 in 2024, 15 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. Juan G. Pena takes part in Medicare
Dr. Pena 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. Juan G. Pena received $535 in industry payments from 2017 to 2024
CMS Open Payments shows 11 general payments to Dr. Pena from 7 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $224.
General payments to Dr. Pena by program year, 2017 to 2024
Companies that paid Dr. Pena the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Juan G. Pena'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. Juan G. Pena
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. Juan G. Pena's NPI number?
Dr. Juan G. Pena's NPI number is 1255359238. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Juan G. Pena?
Dr. Juan G. Pena is an internist in Tucson, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Juan G. Pena practice?
Dr. Pena practices at 5301 East Grant Road, Tucson, AZ 85712. Dr. Pena's primary practice is Tucson Medical Center in Tucson, Arizona, part of TMC HealthCare. Dmand AI also links Dr. Pena to 2 group practices and clinics and 1 medical group.
What is Dr. Juan G. Pena's office phone number?
The practice phone on file for Dr. Pena is (520) 324-1399.
What is Dr. Juan G. Pena's medical license number?
Dr. Pena holds Arizona license 31929.
Which hospitals is Dr. Juan G. Pena affiliated with?
Dr. Pena practices at Tucson Medical Center in Tucson, Arizona.
What medical group is Dr. Juan G. Pena part of?
Dr. Pena is linked to Arizona Inpatient Medicine Associates (AIM). Dmand AI links Dr. Pena to 1 more medical group.
Does Dr. Juan G. Pena accept Medicare?
Yes. CMS data shows Dr. Pena billed Medicare for 1,118 services in 2024, and Dr. Pena accepts Medicare assignment.
How many Medicare patients does Dr. Juan G. Pena see?
CMS counts 381 Medicare patients who saw Dr. Pena in 2024, with an average age of 78.
What services does Dr. Juan G. Pena bill to Medicare?
In 2024, Dr. Pena'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. Juan G. Pena prescribe most?
In 2024 Medicare Part D data, Dr. Pena's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Tartrate and Furosemide.
Has Dr. Juan G. Pena received payments from drug or device companies?
CMS Open Payments shows $535 in general payments to Dr. Pena from 7 companies from 2017 to 2024. The largest total came from Amgen Inc.
How long has Dr. Juan G. Pena been practicing?
Dr. Pena graduated from medical school in 1989, 37 years ago.
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