Carlton Douglas Johnstone, DC

  • Rockport, ME
  • Chiropractor
NPI1417990896PAC ID0941476824
Medicare patients, 2024
182
Hospital affiliations
1
State licenses
3
Year NPI issued
2006
Practice address
6 Glen Cove Drive, Rockport, ME 04856
Practice phone
Call (207) 921-8000
Professional email
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Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

MaineHealth Pen Bay Hospital

Hospital · Rockport, Maine

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Carlton Douglas Johnstone is a chiropractor in Rockport, Maine

Carlton Johnstone practices at MaineHealth Pen Bay Hospital in Rockport, Maine, part of MaineHealth.

Carlton Johnstone's NPI, 1417990896, was assigned on June 14, 2006. Carlton Johnstone graduated from National College of Chiropractic in 1982. Carlton Johnstone holds Maine license CR593.

NPI and contact details
Medicare PAC ID
0941476824
NPI enumeration date
June 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(207) 921-8000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
70
Medical school graduation
1982

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

Carlton Douglas Johnstone practices at MaineHealth Pen Bay Hospital in Rockport, Maine

Carlton Johnstone's primary practice is MaineHealth Pen Bay Hospital, at 6 Glen Cove Drive, Rockport, ME 04856 in Knox County. The practice phone is (207) 921-8000.

Source: Dmand AI Affiliation Data

Carlton Douglas Johnstone is affiliated with 1 site of care

Carlton Johnstone's primary practice is MaineHealth Pen Bay Hospital in Rockport, Maine, part of MaineHealth.

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

Dmand AI tracks the EHR system at Carlton Douglas Johnstone's practice

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

EHR by site
SiteEHR vendor and product
MaineHealth Pen Bay HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Carlton Douglas Johnstone is one of 247 chiropractors in Maine

Chiropractor is Carlton Johnstone's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Dmand AI has Carlton Johnstone's licenses on file in 3 states: Maine, Connecticut and Vermont.

Specialties and state licenses

  • Chiropractor, MainePrimaryLicense CR593 · taxonomy 111N00000X
  • Connecticut licenseLicense 000389
  • Vermont licenseLicense 708

Chiropractors near Carlton Johnstone

Counts of chiropractors 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

Carlton Douglas Johnstone treated 182 Medicare patients in 2024, average age 76

CMS counts 182 Medicare patients who saw Carlton Johnstone in 2024. The largest group is 75 to 84, with 85 patients. 60% of them have high cholesterol, and 54% have high blood pressure. 7% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Carlton Johnstone's median patient age at 70, with 56% women.

Medicare patients, 2024182
Average age76
Average risk score0.86
Also on Medicaid7%

Carlton Johnstone's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Carlton Johnstone's Medicare patients by sex, 2024

  • Women10859%
  • Men7441%

Chronic conditions among Carlton Johnstone's Medicare patients, 2024

  1. High cholesterol60%
  2. High blood pressure54%
  3. Arthritis31%
  4. Mood disorders21%
  5. Anxiety18%
  6. Atrial fibrillation18%
  7. Chronic kidney disease18%
  8. Ischemic heart disease17%

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

Carlton Johnstone's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women56%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Carlton Douglas Johnstone takes part in Medicare

Carlton Johnstone 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)

Carlton Douglas Johnstone graduated from National College of Chiropractic

Carlton Johnstone graduated from National College of Chiropractic in 1982.

  1. Medical schoolNational College of Chiropractic

Source: Dmand AI Professional Profile Data

Sources for Carlton Douglas Johnstone'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 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 Carlton Douglas Johnstone

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Carlton Douglas Johnstone's NPI number?

Carlton Douglas Johnstone's NPI number is 1417990896. It was assigned on June 14, 2006, and it is active in the NPI Registry.

What does Carlton Douglas Johnstone specialize in?

Carlton Douglas Johnstone is a chiropractor in Rockport, Maine. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does Carlton Douglas Johnstone practice?

Carlton Johnstone practices at 6 Glen Cove Drive, Rockport, ME 04856. Carlton Johnstone's primary practice is MaineHealth Pen Bay Hospital in Rockport, Maine, part of MaineHealth.

What is Carlton Douglas Johnstone's office phone number?

The practice phone on file for Carlton Johnstone is (207) 921-8000.

What is Carlton Douglas Johnstone's medical license number?

Carlton Johnstone holds Maine license CR593, one of the licenses on file in 3 states.

Which states has Carlton Douglas Johnstone been licensed in?

Dmand AI has state licenses on file for Carlton Johnstone in Maine, Connecticut and Vermont.

Which hospitals is Carlton Douglas Johnstone affiliated with?

Carlton Johnstone practices at MaineHealth Pen Bay Hospital in Rockport, Maine.

Does Carlton Douglas Johnstone accept Medicare?

Yes. CMS lists Carlton Johnstone as accepting Medicare assignment.

How many Medicare patients does Carlton Douglas Johnstone see?

CMS counts 182 Medicare patients who saw Carlton Johnstone in 2024, with an average age of 76.

Where did Carlton Douglas Johnstone go to medical school?

Carlton Johnstone graduated from National College of Chiropractic in 1982.

How long has Carlton Douglas Johnstone been practicing?

Carlton Johnstone graduated from medical school in 1982, 44 years ago.

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