John S. Harrison III, PA-C
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 4165 Old Milton Pkwy Suite 200 Suite 200, Alpharetta, GA 30005-4478
- Practice phone
- Call (678) 921-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arthritis Knee Pain Centers
Multi-specialty group site · Alpharetta, Georgia
Find John Harrison's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John S. Harrison III is a physician assistant in Alpharetta, Georgia
John Harrison practices at Arthritis Knee Pain Centers in Alpharetta, Georgia.
John Harrison's NPI, 1437814399, was assigned on November 5, 2021.
- NPI
- 1437814399NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577043298
- NPI enumeration date
- November 5, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (678) 921-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John S. Harrison III practices at Arthritis Knee Pain Centers in Alpharetta, Georgia
John Harrison's primary practice is Arthritis Knee Pain Centers, at 4165 Old Milton Pkwy Suite 200 Suite 200, Alpharetta, GA 30005-4478. The practice phone is (678) 921-7007.
- Arthritis Knee Pain Centers4165 Old Milton Pkwy Suite 200 Suite 200, Alpharetta, GA 30005-4478Phone(678) 921-7007
Source: Dmand AI Affiliation Data
John S. Harrison III is affiliated with 1 site of care and 1 medical group
John Harrison's primary practice is Arthritis Knee Pain Centers in Alpharetta, Georgia. The medical group on file is Arthritis Knee Pain Centers.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John S. Harrison III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Harrison practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arthritis Knee Pain Centers | Available with a free account |
Source: Dmand AI Technology Install Data
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John S. Harrison III is one of 3,653 physician assistants in Georgia
Physician assistant is John Harrison's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near John Harrison
Counts of physician assistants 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
John S. Harrison III's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts John Harrison's median patient age at 73, with 40% women.
John Harrison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
How John S. Harrison III takes part in Medicare
John Harrison 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)
Sources for John S. Harrison III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John S. Harrison III
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 S. Harrison III's NPI number?
John S. Harrison III's NPI number is 1437814399. It was assigned on November 5, 2021, and it is active in the NPI Registry.
What does John S. Harrison III specialize in?
John S. Harrison III is a physician assistant in Alpharetta, Georgia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John S. Harrison III practice?
John Harrison practices at 4165 Old Milton Pkwy Suite 200 Suite 200, Alpharetta, GA 30005-4478. John Harrison's primary practice is Arthritis Knee Pain Centers in Alpharetta, Georgia.
What is John S. Harrison III's office phone number?
The practice phone on file for John Harrison is (678) 921-7007.
What medical group is John S. Harrison III part of?
John Harrison is linked to Arthritis Knee Pain Centers.
Does John S. Harrison III accept Medicare?
Yes. CMS lists John Harrison as accepting Medicare assignment.
How long has John S. Harrison III been practicing?
John Harrison graduated from medical school in 2021, 5 years ago.
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