Dr. John Isaac Jr., MD
- Medicare services, 2024
- 13
- Medicare patients, 2024
- 35
- Part D claims, 2018
- 45
- Hospital affiliations
- 1
- Industry payments
- $71
- Practice address
- 16000 Johnston Memorial Drive, Abingdon, VA 24211
- Practice phone
- Call (276) 258-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Isaac's professional email, personal email and mobile number
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Dr. John Isaac Jr. is a general surgeon in Abingdon, Virginia
Dr. Isaac practices at Johnston Memorial Hospital in Abingdon, Virginia, part of Ballad Health.
Dr. Isaac's NPI, 1225037435, was assigned on July 19, 2005. Dr. Isaac holds Rhode Island license RI7525.
- NPI
- 1225037435NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375595408
- NPI enumeration date
- July 19, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (276) 258-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Isaac Jr. practices at Johnston Memorial Hospital in Abingdon, Virginia
Dr. Isaac's primary practice is Johnston Memorial Hospital, at 16000 Johnston Memorial Drive, Abingdon, VA 24211 in Washington County. The practice phone is (276) 258-1000.
- Johnston Memorial Hospital16000 Johnston Memorial Drive, Abingdon, VA 24211 · Washington CountyPhone(276) 258-1000
Source: Dmand AI Affiliation Data
Dr. John Isaac Jr. is affiliated with 3 sites of care and 4 medical groups
Dr. Isaac's primary practice is Johnston Memorial Hospital in Abingdon, Virginia, part of Ballad Health. The medical group on file is Abingdon Physician Partners Internal Medicine. Dmand AI also links Dr. Isaac to 3 more medical groups and 2 group practices and clinics, 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. John Isaac Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Isaac practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johnston Memorial Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Isaac Jr. is one of 739 general surgeons in Virginia
Surgery is Dr. Isaac's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Isaac's licenses on file in 3 states: Rhode Island, New Hampshire and Virginia.
Specialties and state licenses
- Surgery, Rhode IslandPrimary
- New Hampshire license
- Virginia license
General surgeons near Dr. Isaac
Counts of general surgeons 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 Isaac Jr. billed Medicare for 13 services in 2024
CMS data shows 13 Medicare services from Dr. Isaac across 1 procedure code in 2024, for 35 Medicare patients. Medicare paid $1,292 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Isaac's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 172024: 1324%
Dr. Isaac compared with the Virginia median for general surgeons, 2024
- Dr. Isaac
- Virginia median
- Medicare services
- 13vs 19093% below
- Medicare patients
- 35vs 14476% below
- Part D claims
- 45vs 3432% above
Medians across 667 general surgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Isaac'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. Isaac and other general surgeons in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Isaac Jr. treated 35 Medicare patients in 2024, average age 72
CMS counts 35 Medicare patients who saw Dr. Isaac in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.19, 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. Isaac's median patient age at 68, with 38% women.
Dr. Isaac's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Isaac's Medicare patients by sex, 2024
- Women1337%
- Men2263%
Chronic conditions among Dr. Isaac's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease63%
- Diabetes49%
- Atrial fibrillation46%
- Ischemic heart disease43%
- Arthritis40%
- Anxiety37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Isaac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women38%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Isaac Jr. wrote 45 Medicare Part D claims in 2018
In 2018, Dr. Isaac wrote 45 Medicare Part D claims. They cover 3 drugs, with $451 in total drug cost. In 2017, CMS named 54 claims across 3 drugs.
Dr. Isaac's most prescribed drugs by claims, 2018
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 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 542018: 4517%
Drugs named by CMS: 3 in 2018, 3 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. John Isaac Jr. takes part in Medicare
Dr. Isaac accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Isaac Jr. received $71 in industry payments from 2016 to 2019
CMS Open Payments shows 4 general payments to Dr. Isaac from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Lifecell Corporation paid the most, $29.
General payments to Dr. Isaac by program year, 2016 to 2019
Companies that paid Dr. Isaac the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Isaac 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 Isaac 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 Isaac Jr.'s NPI number?
Dr. John Isaac Jr.'s NPI number is 1225037435. It was assigned on July 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Isaac Jr.?
Dr. John Isaac Jr. is a general surgeon in Abingdon, Virginia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Isaac Jr. practice?
Dr. Isaac practices at 16000 Johnston Memorial Drive, Abingdon, VA 24211. Dr. Isaac's primary practice is Johnston Memorial Hospital in Abingdon, Virginia, part of Ballad Health. Dmand AI also links Dr. Isaac to 3 medical groups and 2 group practices and clinics.
What is Dr. John Isaac Jr.'s office phone number?
The practice phone on file for Dr. Isaac is (276) 258-1000.
What is Dr. John Isaac Jr.'s medical license number?
Dr. Isaac holds Rhode Island license RI7525, one of the licenses on file in 3 states.
Which states has Dr. John Isaac Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Isaac in Rhode Island, New Hampshire and Virginia.
Which hospitals is Dr. John Isaac Jr. affiliated with?
Dr. Isaac practices at Johnston Memorial Hospital in Abingdon, Virginia.
What medical group is Dr. John Isaac Jr. part of?
Dr. Isaac is linked to Abingdon Physician Partners Internal Medicine. Dmand AI links Dr. Isaac to 3 more medical groups.
Does Dr. John Isaac Jr. accept Medicare?
Yes. CMS data shows Dr. Isaac billed Medicare for 13 services in 2024, and Dr. Isaac accepts Medicare assignment.
How many Medicare patients does Dr. John Isaac Jr. see?
CMS counts 35 Medicare patients who saw Dr. Isaac in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. John Isaac Jr. bill to Medicare?
In 2024, Dr. Isaac's most billed Medicare services were hospital inpatient care (99222).
What drugs does Dr. John Isaac Jr. prescribe most?
In 2018 Medicare Part D data, Dr. Isaac's most prescribed drugs by claims were Oxycodone HCl, Diphenoxylate-Atropine and Oxycodone-Acetaminophen.
Has Dr. John Isaac Jr. received payments from drug or device companies?
CMS Open Payments shows $71 in general payments to Dr. Isaac from 4 companies from 2016 to 2019. The largest total came from Lifecell Corporation.
How long has Dr. John Isaac Jr. been practicing?
Dr. Isaac graduated from medical school in 1984, 42 years ago.
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