Dr. Andrew John Chontos, MD

  • Brookings, SD
  • General surgeon
NPI1699708800PAC ID0749263465
Hospital affiliations
1
Medical groups
3
State licenses
2
Year NPI issued
2006
Practice address
300 22nd Ave, Brookings, SD 57006
Practice phone
Call (605) 696-9000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Brookings Health System

Hospital · Brookings, South Dakota

See all 6 affiliations

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Dr. Andrew John Chontos is a general surgeon in Brookings, South Dakota

Dr. Chontos practices at Brookings Health System in Brookings, South Dakota, part of City of Brookings.

Dr. Chontos' NPI, 1699708800, was assigned on July 9, 2006. Dr. Chontos graduated from University of Colorado School of Medicine, Denver in 1995. Dr. Chontos holds South Dakota license 7384.

NPI and contact details
Medicare PAC ID
0749263465
NPI enumeration date
July 9, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(605) 696-9000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Andrew John Chontos practices at Brookings Health System in Brookings, South Dakota

Dr. Chontos' primary practice is Brookings Health System, at 300 22nd Ave, Brookings, SD 57006 in Brookings County. The practice phone is (605) 696-9000.

Source: Dmand AI Affiliation Data

Dr. Andrew John Chontos is affiliated with 3 sites of care and 3 medical groups

Dr. Chontos' primary practice is Brookings Health System in Brookings, South Dakota, part of City of Brookings. The medical group on file is Edith Sanford Breast Center Sioux Falls. Dmand AI also links Dr. Chontos to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 6 affiliations for Dr. Chontos

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Andrew John Chontos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chontos practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Brookings Health SystemAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Andrew John Chontos is one of 105 general surgeons in South Dakota

Surgery is Dr. Chontos' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Chontos' licenses on file in 2 states: South Dakota and New Mexico.

Specialties and state licenses

  • Surgery, South DakotaPrimaryLicense 7384 · taxonomy 208600000X
  • New Mexico licenseLicense MD2005-0159

General surgeons near Dr. Chontos

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. Andrew John Chontos' patients have a median age of 49

Across all payers, Dmand AI patient panel data puts Dr. Chontos' median patient age at 49, with 41% women.

Dr. Chontos' patients across all payers

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

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women41%
  • Men59%

Source: Dmand AI Patient Panel Data

Dr. Andrew John Chontos ranks in the 42nd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Chontos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Chontos, more than 42% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Chontos ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
42nd percentile11 procedures
Colonoscopy
41st percentile11 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 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)

Dr. Andrew John Chontos graduated from University of Colorado School of Medicine, Denver

Dr. Chontos graduated from University of Colorado School of Medicine, Denver in 1995.

  1. Medical schoolUniversity of Colorado School of Medicine, Denver

Source: Dmand AI Professional Profile Data

Sources for Dr. Andrew John Chontos'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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. Andrew John Chontos

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. Andrew John Chontos' NPI number?

Dr. Andrew John Chontos' NPI number is 1699708800. It was assigned on July 9, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Andrew John Chontos?

Dr. Andrew John Chontos is a general surgeon in Brookings, South Dakota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Andrew John Chontos practice?

Dr. Chontos practices at 300 22nd Ave, Brookings, SD 57006. Dr. Chontos' primary practice is Brookings Health System in Brookings, South Dakota, part of City of Brookings. Dmand AI also links Dr. Chontos to 2 group practices and clinics and 2 medical groups.

What is Dr. Andrew John Chontos' office phone number?

The practice phone on file for Dr. Chontos is (605) 696-9000.

What is Dr. Andrew John Chontos' medical license number?

Dr. Chontos holds South Dakota license 7384, one of the licenses on file in 2 states.

Which states has Dr. Andrew John Chontos been licensed in?

Dmand AI has state licenses on file for Dr. Chontos in South Dakota and New Mexico.

Which hospitals is Dr. Andrew John Chontos affiliated with?

Dr. Chontos practices at Brookings Health System in Brookings, South Dakota.

What medical group is Dr. Andrew John Chontos part of?

Dr. Chontos is linked to Edith Sanford Breast Center Sioux Falls. Dmand AI links Dr. Chontos to 2 more medical groups.

Does Dr. Andrew John Chontos accept Medicare?

Yes. CMS lists Dr. Chontos as accepting Medicare assignment.

Where did Dr. Andrew John Chontos go to medical school?

Dr. Chontos graduated from University of Colorado School of Medicine, Denver in 1995.

How long has Dr. Andrew John Chontos been practicing?

Dr. Chontos graduated from medical school in 1995, 31 years ago.

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