John Cameron O'Brien Jr., DC

  • Calabash, NC
  • Chiropractor
NPI1780881201PAC ID7012177165
Medicare patients, 2026
120
Affiliated sites
1
State license
1
Year NPI issued
2007
Practice address
10195 Beach SW Dr, Calabash, NC 28467
Practice phone
Call (910) 754-2020
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dr Christopher J. Moshoures Optometrist PA

Calabash, North Carolina

See all 2 affiliations

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John Cameron O'Brien Jr. is a chiropractor in Calabash, North Carolina

John O'Brien practices at Dr Christopher J. Moshoures Optometrist PA in Calabash, North Carolina.

John O'Brien's NPI, 1780881201, was assigned on June 28, 2007. John O'Brien graduated from National College of Chiropractic in 1992. John O'Brien holds North Carolina license 1925.

NPI and contact details
Medicare PAC ID
7012177165
NPI enumeration date
June 28, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(910) 754-2020
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
60
Medical school graduation
1992

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

John Cameron O'Brien Jr. practices at Dr Christopher J. Moshoures Optometrist PA in Calabash, North Carolina

John O'Brien's primary practice is Dr Christopher J. Moshoures Optometrist PA, at 10195 Beach SW Dr, Calabash, NC 28467 in Brunswick County. The practice phone is (910) 754-2020.

  • Dr Christopher J. Moshoures Optometrist PA
    10195 Beach SW Dr, Calabash, NC 28467 · Brunswick CountyPhone(910) 754-2020

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

John Cameron O'Brien Jr. is affiliated with 2 sites of care

John O'Brien's primary practice is Dr Christopher J. Moshoures Optometrist PA in Calabash, North Carolina. Dmand AI also links John O'Brien to 1 physician office, named with a free account.

Dr Christopher J. Moshoures Optometrist PACalabash, North CarolinaPrimary
1 physician officeName with a free account
See all 2 affiliations for John O'Brien

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

Dmand AI tracks the EHR system at John Cameron O'Brien Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Dr Christopher J. Moshoures Optometrist PAAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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John Cameron O'Brien Jr. is one of 1,328 chiropractors in North Carolina

Chiropractor is John O'Brien's primary specialty in the NPI Registry, under taxonomy code 111N00000X. John O'Brien is licensed in North Carolina.

Specialties and state licenses

  • Chiropractor, North CarolinaPrimaryLicense 1925 · taxonomy 111N00000X

Chiropractors near John O'Brien

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

1,328chiropractors in North Carolina
2chiropractors in Calabash

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

John Cameron O'Brien Jr. treated 120 Medicare patients in 2026, average age 73

CMS counts 120 Medicare patients who saw John O'Brien in 2026. The largest group is 65 to 74, with 65 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.76, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts John O'Brien's median patient age at 68, with 35% women.

Medicare patients, 2026120
Average age73
Average risk score0.76

John O'Brien's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

John O'Brien's Medicare patients by sex, 2026

  • Women6554%
  • Men5546%

Chronic conditions among John O'Brien's Medicare patients, 2026

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis49%
  4. Diabetes23%
  5. Ischemic heart disease23%
  6. Mood disorders21%
  7. Anxiety17%
  8. Depression17%

Share of Medicare patients with each condition. A patient can have several.

John O'Brien'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

  • Women35%
  • Men65%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

How John Cameron O'Brien Jr. takes part in Medicare

John O'Brien 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)

John Cameron O'Brien Jr. graduated from National College of Chiropractic

John O'Brien graduated from National College of Chiropractic in 1992.

  1. Medical schoolNational College of Chiropractic

Source: Dmand AI Professional Profile Data

Sources for John Cameron O'Brien 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 patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 John Cameron O'Brien 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 John Cameron O'Brien Jr.'s NPI number?

John Cameron O'Brien Jr.'s NPI number is 1780881201. It was assigned on June 28, 2007, and it is active in the NPI Registry.

What does John Cameron O'Brien Jr. specialize in?

John Cameron O'Brien Jr. is a chiropractor in Calabash, North Carolina. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does John Cameron O'Brien Jr. practice?

John O'Brien practices at 10195 Beach SW Dr, Calabash, NC 28467. John O'Brien's primary practice is Dr Christopher J. Moshoures Optometrist PA in Calabash, North Carolina. Dmand AI also links John O'Brien to 1 physician office, and a free account names each one.

What is John Cameron O'Brien Jr.'s office phone number?

The practice phone on file for John O'Brien is (910) 754-2020. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is John Cameron O'Brien Jr.'s email address?

Dmand AI checks professional and personal email addresses for John O'Brien through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is John Cameron O'Brien Jr.'s medical license number?

John O'Brien holds North Carolina license 1925.

Does John Cameron O'Brien Jr. accept Medicare?

Yes. CMS lists John O'Brien as accepting Medicare assignment.

How many Medicare patients does John Cameron O'Brien Jr. see?

CMS counts 120 Medicare patients who saw John O'Brien in 2026, with an average age of 73.

Where did John Cameron O'Brien Jr. go to medical school?

John O'Brien graduated from National College of Chiropractic in 1992.

How long has John Cameron O'Brien Jr. been practicing?

John O'Brien graduated from medical school in 1992, 34 years ago.

What EHR does John Cameron O'Brien Jr.'s practice use?

Dmand AI tracks the EHR system at Dr Christopher J. Moshoures Optometrist PA and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.

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