Analgesia, EpiduralEmergency Service, HospitalPost-Dural Puncture Headache
Dr. John Calvin Perkins Jr., MD
NPI1841357860PAC ID2567556327
- Medicare services, 2024
- 176
- Medicare patients, 2024
- 180
- Part D claims, 2024
- 26
- Publications
- 7
- Hospital affiliations
- 2
- Practice address
- 1906 Belleview Avenue, SE, Roanoke, VA 24014
- Practice phone
- Call (540) 981-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Perkins' professional email, personal email and mobile number
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Dr. John Calvin Perkins Jr. is an emergency medicine physician in Roanoke, Virginia
Dr. Perkins practices at Carilion Roanoke Memorial Hospital in Roanoke, Virginia, part of Carilion Clinic.
Dr. Perkins' NPI, 1841357860, was assigned on January 2, 2007. Dr. Perkins graduated from Drexel University College of Medicine in 2002. Dr. Perkins holds Virginia license 0101252196.
NPI and contact details
- NPI
- 1841357860NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567556327
- NPI enumeration date
- January 2, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 981-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Calvin Perkins Jr. practices at Carilion Roanoke Memorial Hospital in Roanoke, Virginia
Dr. Perkins' primary practice is Carilion Roanoke Memorial Hospital, at 1906 Belleview Avenue, SE, Roanoke, VA 24014 in Roanoke City. The practice phone is (540) 981-7000.
- Carilion Roanoke Memorial Hospital1906 Belleview Avenue, SE, Roanoke, VA 24014 · Roanoke CityPhone(540) 981-7000
Source: Dmand AI Affiliation Data
Dr. John Calvin Perkins Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Perkins' primary practice is Carilion Roanoke Memorial Hospital in Roanoke, Virginia, part of Carilion Clinic. Dr. Perkins is also affiliated with Carilion Franklin Memorial Hospital. The medical group on file is Carilion Clinic.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Calvin Perkins Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perkins practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carilion Roanoke Memorial Hospital | 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. John Calvin Perkins Jr. is one of 1,686 emergency medicine physicians in Virginia
Emergency medicine is Dr. Perkins' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Perkins' licenses on file in 2 states: Virginia and Maryland.
Specialties and state licenses
- Emergency medicine, VirginiaPrimary
- Maryland license
Emergency medicine physicians near Dr. Perkins
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,686emergency medicine physicians in Virginia52emergency medicine physicians in Roanoke46emergency medicine physicians at Carilion Roanoke Memorial Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Calvin Perkins Jr. billed Medicare for 176 services in 2024
CMS data shows 176 Medicare services from Dr. Perkins across 4 procedure codes in 2024, for 180 Medicare patients. Medicare paid $22,439 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024176
Medicare patients180
Paid by Medicare$22,439
Procedure codes4
Dr. Perkins' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1822024: 1763%
Dr. Perkins compared with the Virginia median for emergency medicine physicians, 2024
- Dr. Perkins
- Virginia median
- Medicare services
- 176vs 31143% below
- Medicare patients
- 180vs 30741% below
- Part D claims
- 12vs 5980% below
Medians across 1,632 emergency medicine physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Perkins' 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. John Calvin Perkins Jr. treated 180 Medicare patients in 2024, average age 74
CMS counts 180 Medicare patients who saw Dr. Perkins in 2024. The largest group is 75 to 84, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.02, 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. Perkins' median patient age at 65, with 58% women.
Medicare patients, 2024180
Average age74
Average risk score2.02
Also on Medicaid18%
Dr. Perkins' Medicare patients by age, 2024
Dr. Perkins' Medicare patients by sex, 2024
- Women10056%
- Men8044%
Chronic conditions among Dr. Perkins' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Anxiety43%
- Mood disorders43%
- Chronic kidney disease41%
- Depression39%
- Diabetes36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Perkins' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Calvin Perkins Jr. wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Perkins wrote 26 Medicare Part D claims for 20 patients. 81% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $46 in total drug cost. In 2017, CMS named 11 claims across 1 drug.
Part D claims, 202426
Drugs named by CMS1
Total drug cost$46
Part D patients20
Dr. Perkins' Part D claims by kind of drug, 2024
- Generic21 claims81%
- Brand-name and other5 claims19%
Dr. Perkins' most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2020
- 2017
- 2020
- Claims for drugs CMS names
- 2017: 112020: 129%
Drugs named by CMS: 1 in 2020, 1 in 2017.
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. John Calvin Perkins Jr. takes part in Medicare
Dr. Perkins 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. John Calvin Perkins Jr. has 7 publications on record
Dmand AI links 7 papers to Dr. Perkins, published from 2016 to 2024. The most frequent topics are Emergency Service, Hospital, Tomography, X-Ray Computed and Emergencies. Dr. Perkins has published most often in Emerg Med Clin North Am. Dr. Perkins' most frequent co-authors are Daniel Calick, MD, Brit J. Long, MD and Sharon E. Mace, MD.
Papers7
Years published2016 to 2024
Dr. Perkins' papers by year, 2016 to 2024
Topics Dr. Perkins writes about most
- Emergency Service, Hospital
- Tomography, X-Ray Computed
- Emergencies
Dr. Perkins' most frequent co-authors
Recent publications by Dr. Perkins
CellulitisFasciitis, NecrotizingSoft Tissue Infections
Back PainEmergency Service, HospitalMagnetic Resonance Imaging
Emerg Med Clin North Am
Abdominal PainAnti-Ulcer AgentsChest Pain
See who Dr. Perkins researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Perkins works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Calvin Perkins Jr. received $61 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Perkins from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $61.
Companies that paid Dr. Perkins the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Calvin Perkins Jr. graduated from Drexel University College of Medicine
Dr. Perkins graduated from Drexel University College of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Calvin Perkins Jr.'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 |
| 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. John Calvin Perkins Jr.
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 Calvin Perkins Jr.'s NPI number?
Dr. John Calvin Perkins Jr.'s NPI number is 1841357860. It was assigned on January 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Calvin Perkins Jr.?
Dr. John Calvin Perkins Jr. is an emergency medicine physician in Roanoke, Virginia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. John Calvin Perkins Jr. practice?
Dr. Perkins practices at 1906 Belleview Avenue, SE, Roanoke, VA 24014. Dr. Perkins' primary practice is Carilion Roanoke Memorial Hospital in Roanoke, Virginia, part of Carilion Clinic.
What is Dr. John Calvin Perkins Jr.'s office phone number?
The practice phone on file for Dr. Perkins is (540) 981-7000.
What is Dr. John Calvin Perkins Jr.'s medical license number?
Dr. Perkins holds Virginia license 0101252196, one of the licenses on file in 2 states.
Which states has Dr. John Calvin Perkins Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Perkins in Virginia and Maryland.
Which hospitals is Dr. John Calvin Perkins Jr. affiliated with?
Dr. Perkins practices at Carilion Roanoke Memorial Hospital in Roanoke, Virginia. Dr. Perkins is also affiliated with Carilion Franklin Memorial Hospital.
What medical group is Dr. John Calvin Perkins Jr. part of?
Dr. Perkins is linked to Carilion Clinic.
Does Dr. John Calvin Perkins Jr. accept Medicare?
Yes. CMS data shows Dr. Perkins billed Medicare for 176 services in 2024, and Dr. Perkins accepts Medicare assignment.
How many Medicare patients does Dr. John Calvin Perkins Jr. see?
CMS counts 180 Medicare patients who saw Dr. Perkins in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. John Calvin Perkins Jr. bill to Medicare?
In 2024, Dr. Perkins' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. John Calvin Perkins Jr. go to medical school?
Dr. Perkins graduated from Drexel University College of Medicine in 2002.
What drugs does Dr. John Calvin Perkins Jr. prescribe most?
In 2020 Medicare Part D data, Dr. Perkins' most prescribed drugs by claims were Morphine Sulfate.
Has Dr. John Calvin Perkins Jr. received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Dr. Perkins from 1 company from 2021 to 2021. The largest total came from Abbott Laboratories.
How long has Dr. John Calvin Perkins Jr. been practicing?
Dr. Perkins graduated from medical school in 2002, 24 years ago.
Does Dr. John Calvin Perkins Jr. do research?
Dmand AI links 7 publications to Dr. Perkins, published from 2016 to 2024.
Who does Dr. John Calvin Perkins Jr. publish with?
Dr. Perkins' most frequent co-authors are Daniel Calick, MD (1 shared paper), Brit J. Long, MD (1 shared paper) and Sharon E. Mace, MD (1 shared paper).
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