Dr. John Nereus Carter, MD

  • San Antonio, TX
  • Vascular surgeon
NPI1467456038
Medicare services, 2020
287
Part D claims, 2020
15
Publications
1
Industry payments
$983
State licenses
4
Practice address
16088 San Pedro Ave, San Antonio, TX 78232
Practice phone
Call (210) 402-4092
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Baptist Neighborhood Hospital - Thousand Oaks

San Antonio, Texas

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Dr. John Nereus Carter is a vascular surgeon in San Antonio, Texas

Dr. Carter practices at Baptist Neighborhood Hospital - Thousand Oaks in San Antonio, Texas.

Dr. Carter's NPI, 1467456038, was assigned on June 10, 2005. Dr. Carter graduated from Tulane School of Medicine in 1976. Dr. Carter's Oklahoma license number on file is 14399.

NPI and contact details
NPI enumeration date
June 10, 2005
NPI status
Active
Practice phone
(210) 402-4092
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1976

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. John Nereus Carter practices at Baptist Neighborhood Hospital - Thousand Oaks in San Antonio, Texas

Dr. Carter's primary practice is Baptist Neighborhood Hospital - Thousand Oaks, at 16088 San Pedro Ave, San Antonio, TX 78232 in Bexar County. The practice phone is (210) 402-4092.

  • Baptist Neighborhood Hospital - Thousand Oaks
    16088 San Pedro Ave, San Antonio, TX 78232 · Bexar CountyPhone(210) 402-4092

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. John Nereus Carter is affiliated with 1 site of care

Dr. Carter's primary practice is Baptist Neighborhood Hospital - Thousand Oaks in San Antonio, Texas.

Baptist Neighborhood Hospital - Thousand OaksSan Antonio, TexasPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. John Nereus Carter's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Carter practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Baptist Neighborhood Hospital - Thousand OaksAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Nereus Carter is one of 317 vascular surgeons in Texas

Vascular surgery is Dr. Carter's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Carter's licenses on file in 4 states: Oklahoma, California, North Carolina and Louisiana.

Specialties and state licenses

  • Vascular surgery, OklahomaPrimaryLicense 14399 · 1983 to 2021 · taxonomy 2086S0129X
  • California licenseSince 1978
  • North Carolina license1977 to 2014
  • Louisiana license1976 to 1977

Vascular surgeons near Dr. Carter

Counts of vascular 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 Nereus Carter billed Medicare for 287 services in 2020

CMS data shows 287 Medicare services from Dr. Carter across 11 procedure codes in 2020. Medicare paid $15,265 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2020287
Paid by Medicare$15,265
Procedure codes11

Dr. Carter's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Office and hospital visits
2019: 3062020: 9270%
Surgery
2019: 1072020: 5648%
Tests and treatments
2019: 1572020: 5466%
Imaging
2019: 382020: 4621%
Other services
2019: 982020: 3960%

Dr. Carter compared with the Texas median for vascular surgeons, 2020

  • Dr. Carter
  • Texas median
Medicare services
287vs 60553% below
Part D claims
15vs 9484% below

Medians across 294 vascular surgeons in Texas with Dmand AI profiles that report each measure.

Dr. Carter's most billed Medicare procedure codes, 2020

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Carter

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Nereus Carter's patients have a median age of 41

Across all payers, Dmand AI patient panel data puts Dr. Carter's median patient age at 41, with 25% women.

Dr. Carter's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women25%
  • Men75%

Source: Dmand AI Patient Panel Data

Dr. John Nereus Carter wrote 15 Medicare Part D claims in 2020

In 2020, Dr. Carter wrote 15 Medicare Part D claims. They cover 1 drug, with $95 in total drug cost. In 2019, CMS named 32 claims across 1 drug.

Part D claims, 202015
Drugs named by CMS1
Total drug cost$95

Dr. Carter's 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, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 322020: 1553%

Drugs named by CMS: 1 in 2020, 1 in 2019.

See all prescribing by Dr. Carter

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. John Nereus Carter has 1 publication on record

Dmand AI links 1 paper to Dr. Carter in 2016. Dr. Carter's most frequent co-authors are John Michael Carter, MD and Rohan R. Walvekar, MD.

Papers1

Dr. Carter's most frequent co-authors

Recent publications by Dr. Carter

See all 1 publications and co-authors

See who Dr. Carter researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Carter works with, so you can find a warm path to the right vascular surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John Nereus Carter received $983 in industry payments from 2016 to 2024

CMS Open Payments shows 51 general payments to Dr. Carter from 20 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Davol Inc. paid the most, $258.

General payments to Dr. Carter by program year, 2016 to 2024

Companies that paid Dr. Carter the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Carter

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Nereus Carter has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Carter, most recently ACS Fellow in 2013.

Awards and honors for Dr. Carter

  1. 2013
    • ACS Fellow
  2. Undated
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. John Nereus Carter graduated from Tulane School of Medicine

Dr. Carter graduated from Tulane School of Medicine in 1976. Dr. Carter is a member of ACS and SVS.

  1. Medical schoolTulane School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Nereus Carter's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Nereus Carter

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 Nereus Carter's NPI number?

Dr. John Nereus Carter's NPI number is 1467456038. It was assigned on June 10, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Nereus Carter?

Dr. John Nereus Carter is a vascular surgeon in San Antonio, Texas. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. John Nereus Carter practice?

Dr. Carter practices at 16088 San Pedro Ave, San Antonio, TX 78232. Dr. Carter's primary practice is Baptist Neighborhood Hospital - Thousand Oaks in San Antonio, Texas.

What is Dr. John Nereus Carter's office phone number?

The practice phone on file for Dr. Carter is (210) 402-4092.

What is Dr. John Nereus Carter's medical license number?

Dr. Carter's Oklahoma license number on file is 14399, one of the licenses on file in 4 states.

Which states has Dr. John Nereus Carter been licensed in?

Dmand AI has state licenses on file for Dr. Carter in Oklahoma (1983 to 2021), California (since 1978), North Carolina (1977 to 2014) and Louisiana (1976 to 1977).

Does Dr. John Nereus Carter accept Medicare?

Yes. CMS data shows Dr. Carter billed Medicare for 287 services in 2020.

What services does Dr. John Nereus Carter bill to Medicare?

In 2020, Dr. Carter's most billed Medicare services were office visit, established patient (99213), ultrasound (76937) and medicare service (G0500).

Where did Dr. John Nereus Carter go to medical school?

Dr. Carter graduated from Tulane School of Medicine in 1976.

What drugs does Dr. John Nereus Carter prescribe most?

In 2020 Medicare Part D data, Dr. Carter's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Show 4 more questionsShow fewer questions

Has Dr. John Nereus Carter received payments from drug or device companies?

CMS Open Payments shows $983 in general payments to Dr. Carter from 20 companies from 2016 to 2024. The largest total came from Davol Inc.

How long has Dr. John Nereus Carter been practicing?

Dr. Carter graduated from medical school in 1976, 50 years ago.

Does Dr. John Nereus Carter do research?

Dmand AI links 1 publication to Dr. Carter.

Who does Dr. John Nereus Carter publish with?

Dr. Carter's most frequent co-authors are John Michael Carter, MD (1 shared paper) and Rohan R. Walvekar, MD (1 shared paper).

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