Dr. John J. Alarcon, MD
- Medicare services, 2024
- 48,320
- Medicare patients, 2024
- 1,958
- Hospital affiliations
- 3
- Industry payments
- $18
- Medical groups
- 11
- Practice address
- 300 20th N Ave, Nashville, TN 37203
- Practice phone
- Call (615) 284-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The GYN Center
Nashville, Tennessee
Find Dr. Alarcon'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. John J. Alarcon is a diagnostic radiologist in Nashville, Tennessee
Dr. Alarcon practices at The GYN Center in Nashville, Tennessee.
Dr. Alarcon's NPI, 1184663494, was assigned on June 5, 2006. Dr. Alarcon holds Tennessee license 21658.
- NPI
- 1184663494NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072416239
- NPI enumeration date
- June 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 284-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John J. Alarcon practices at The GYN Center in Nashville, Tennessee
Dr. Alarcon's primary practice is The GYN Center, at 300 20th N Ave, Nashville, TN 37203 in Davidson County. The practice phone is (615) 284-1500.
- The GYN Center300 20th N Ave, Nashville, TN 37203 · Davidson CountyPhone(615) 284-1500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John J. Alarcon is affiliated with 14 sites of care and 11 medical groups
Dr. Alarcon's primary practice is The GYN Center in Nashville, Tennessee. Dr. Alarcon is also affiliated with Vanderbilt University Medical Center. The medical group on file is Radiology Alliance. Dmand AI also links Dr. Alarcon to 2 more hospitals, 10 group practices and clinics and 10 medical groups, each named with a free account.
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. John J. Alarcon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alarcon practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The GYN Center | Available with a free account |
| +13 more sites and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John J. Alarcon is one of 691 diagnostic radiologists in Tennessee
Diagnostic radiology is Dr. Alarcon's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Alarcon is licensed in Tennessee.
Specialties and state licenses
- Diagnostic radiology, TennesseePrimary
Diagnostic radiologists near Dr. Alarcon
Counts of diagnostic radiologists 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. John J. Alarcon billed Medicare for 48,320 services in 2024
CMS data shows 48,320 Medicare services from Dr. Alarcon across 49 procedure codes in 2024, for 1,958 Medicare patients. Medicare paid $159,751 for them.
Dr. Alarcon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 40,4282024: 45,94614%
- Imaging
- 2023: 2,6192024: 1,94926%
- Lab and pathology
- 2023: 1122024: 16547%
- Surgery
- 2023: 1092024: 16551%
- Tests and treatments
- 2023: 632024: 9551%
Where Dr. Alarcon's Medicare services took place, 2024
- In an office47,67499%
- In a facility6461%
Dr. Alarcon compared with the Tennessee median for diagnostic radiologists, 2024
- Dr. Alarcon
- Tennessee median
- Medicare services
- 48,320vs 2,86916.8 times
- Medicare patients
- 1,958vs 1,77210% above
Medians across 703 diagnostic radiologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Alarcon'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. Alarcon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Alarcon and other diagnostic radiologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John J. Alarcon treated 1,958 Medicare patients in 2024, average age 74
CMS counts 1,958 Medicare patients who saw Dr. Alarcon in 2024. The largest group is 65 to 74, with 937 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Alarcon's median patient age at 69, with 59% women.
Dr. Alarcon's Medicare patients by age, 2024
Dr. Alarcon's Medicare patients by sex, 2024
- Women1,14458%
- Men81442%
Chronic conditions among Dr. Alarcon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease37%
- Diabetes33%
- Anxiety31%
- Mood disorders30%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Alarcon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John J. Alarcon takes part in Medicare
Dr. Alarcon 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John J. Alarcon received $18 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Alarcon from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $18.
Companies that paid Dr. Alarcon the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John J. Alarcon'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 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) |
| 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. John J. Alarcon
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. John J. Alarcon's NPI number?
Dr. John J. Alarcon's NPI number is 1184663494. It was assigned on June 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John J. Alarcon?
Dr. John J. Alarcon is a diagnostic radiologist in Nashville, Tennessee. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John J. Alarcon practice?
Dr. Alarcon practices at 300 20th N Ave, Nashville, TN 37203. Dr. Alarcon's primary practice is The GYN Center in Nashville, Tennessee. Dmand AI also links Dr. Alarcon to 2 hospitals, 10 group practices and clinics and 10 medical groups.
What is Dr. John J. Alarcon's office phone number?
The practice phone on file for Dr. Alarcon is (615) 284-1500.
What is Dr. John J. Alarcon's medical license number?
Dr. Alarcon holds Tennessee license 21658.
Which hospitals is Dr. John J. Alarcon affiliated with?
Dr. Alarcon is affiliated with Vanderbilt University Medical Center. Dmand AI links Dr. Alarcon to 2 more hospitals.
What medical group is Dr. John J. Alarcon part of?
Dr. Alarcon is linked to Radiology Alliance. Dmand AI links Dr. Alarcon to 10 more medical groups.
Does Dr. John J. Alarcon accept Medicare?
Yes. CMS data shows Dr. Alarcon billed Medicare for 48,320 services in 2024, and Dr. Alarcon accepts Medicare assignment.
How many Medicare patients does Dr. John J. Alarcon see?
CMS counts 1,958 Medicare patients who saw Dr. Alarcon in 2024, with an average age of 74.
What services does Dr. John J. Alarcon bill to Medicare?
In 2024, Dr. Alarcon's most billed Medicare services were medical supplies or transport (A9575), medicare temporary code (Q9967) and diagnostic imaging (70553).
Has Dr. John J. Alarcon received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Alarcon from 1 company from 2024 to 2024. The largest total came from Amgen Inc.
How long has Dr. John J. Alarcon been practicing?
Dr. Alarcon graduated from medical school in 1986, 40 years ago.
Selling to diagnostic radiology practices?
See diagnostic radiologists in Tennessee by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card