Dr. James Warren Dammon Jr., MD

  • Sierra Vista, AZ
  • General surgeon
NPI1942664008
Medicare services, 2022
99
Part D claims, 2022
41
Industry payments
$11,694
Medical group
1
State license
1
Practice address
5700 State Rte 90, Sierra Vista, AZ 85635
Practice phone
Call (520) 263-3835
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Canyon Vista Medical Center

Sierra Vista, Arizona

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Dr. James Warren Dammon Jr. is a general surgeon in Sierra Vista, Arizona

Dr. Dammon practices at Canyon Vista Medical Center in Sierra Vista, Arizona.

Dr. Dammon's NPI, 1942664008, was assigned on April 5, 2016. Dr. Dammon holds Indiana license 01076447.

NPI and contact details
NPI enumeration date
April 5, 2016
NPI status
Active
Practice phone
(520) 263-3835
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Dr. James Warren Dammon Jr. practices at Canyon Vista Medical Center in Sierra Vista, Arizona

Dr. Dammon's primary practice is Canyon Vista Medical Center, at 5700 State Rte 90, Sierra Vista, AZ 85635 in Cochise County. The practice phone is (520) 263-3835.

  • Canyon Vista Medical Center
    5700 State Rte 90, Sierra Vista, AZ 85635 · Cochise CountyPhone(520) 263-3835

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

Dr. James Warren Dammon Jr. is affiliated with 1 site of care and 1 medical group

Dr. Dammon's primary practice is Canyon Vista Medical Center in Sierra Vista, Arizona. The medical group on file is Onvida Health Yuma Medical Center.

Canyon Vista Medical CenterSierra Vista, ArizonaPrimary
Onvida Health Yuma Medical CenterPrimary care group, Yuma, AZ

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

Dmand AI tracks the EHR system at Dr. James Warren Dammon Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Canyon Vista Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James Warren Dammon Jr. is one of 617 general surgeons in Arizona

Surgery is Dr. Dammon's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Dammon is licensed in Indiana.

Specialties and state licenses

  • Surgery, IndianaPrimaryLicense 01076447 · taxonomy 208600000X

General surgeons near Dr. Dammon

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

617general surgeons in Arizona
5general surgeons in Sierra Vista

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

Dr. James Warren Dammon Jr. billed Medicare for 99 services in 2022

CMS data shows 99 Medicare services from Dr. Dammon across 5 procedure codes in 2022. Medicare paid $5,952 for them.

Medicare services, 202299
Paid by Medicare$5,952
Procedure codes5

Dr. Dammon's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 762022: 9930%
Tests and treatments
2021: 132022: 0100%

Where Dr. Dammon's Medicare services took place, 2022

  • In an office7879%
  • In a facility2121%

Dr. Dammon compared with the Arizona median for general surgeons, 2022

  • Dr. Dammon
  • Arizona median
Medicare services
99vs 16239% below
Part D claims
41vs 3132% above

Medians across 545 general surgeons in Arizona with Dmand AI profiles that report each measure.

Dr. Dammon's most billed Medicare procedure codes, 2022

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. James Warren Dammon Jr. wrote 41 Medicare Part D claims in 2022

In 2022, Dr. Dammon wrote 41 Medicare Part D claims. They cover 2 drugs, with $249 in total drug cost. In 2021, CMS named 40 claims across 2 drugs.

Part D claims, 202241
Drugs named by CMS2
Total drug cost$249

Dr. Dammon's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 402022: 413%

Drugs named by CMS: 2 in 2022, 2 in 2021.

See all prescribing by Dr. Dammon

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

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Dr. James Warren Dammon Jr. received $11,694 in industry payments from 2016 to 2022

CMS Open Payments shows 39 general payments to Dr. Dammon from 8 drug and device companies from 2016 to 2022. Education make up the largest share, 86% of the total. Intuitive Surgical, Inc. paid the most, $11,277.

General payments to Dr. Dammon by program year, 2016 to 2022

General payments to Dr. Dammon by kind, 2016 to 2022

$11.7Kin total
  • Education$10,00086%
  • Travel and lodging$1,25111%
  • Food and beverage$4434%

Companies that paid Dr. Dammon the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Dammon

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

Sources for Dr. James Warren Dammon Jr.'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 DataDmand AI Affiliation 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
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. James Warren Dammon 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. James Warren Dammon Jr.'s NPI number?

Dr. James Warren Dammon Jr.'s NPI number is 1942664008. It was assigned on April 5, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. James Warren Dammon Jr.?

Dr. James Warren Dammon Jr. is a general surgeon in Sierra Vista, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. James Warren Dammon Jr. practice?

Dr. Dammon practices at 5700 State Rte 90, Sierra Vista, AZ 85635. Dr. Dammon's primary practice is Canyon Vista Medical Center in Sierra Vista, Arizona.

What is Dr. James Warren Dammon Jr.'s office phone number?

The practice phone on file for Dr. Dammon is (520) 263-3835.

What is Dr. James Warren Dammon Jr.'s medical license number?

Dr. Dammon holds Indiana license 01076447.

What medical group is Dr. James Warren Dammon Jr. part of?

Dr. Dammon is linked to Onvida Health Yuma Medical Center.

Does Dr. James Warren Dammon Jr. accept Medicare?

Yes. CMS data shows Dr. Dammon billed Medicare for 99 services in 2022.

What services does Dr. James Warren Dammon Jr. bill to Medicare?

In 2022, Dr. Dammon's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99203) and hospital inpatient care (99232).

What drugs does Dr. James Warren Dammon Jr. prescribe most?

In 2022 Medicare Part D data, Dr. Dammon's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Cephalexin.

Has Dr. James Warren Dammon Jr. received payments from drug or device companies?

CMS Open Payments shows $11,694 in general payments to Dr. Dammon from 8 companies from 2016 to 2022. The largest total came from Intuitive Surgical, Inc.

How long has Dr. James Warren Dammon Jr. been practicing?

Dr. Dammon's NPI was assigned in 2016.

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