John D. Harman, DC
- Medicare patients, 2026
- 40
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2013
- Practice address
- 2755 Bristol St, Costa Mesa, CA 92626
- Practice phone
- Call (949) 679-3337
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southland Physical Therapy Inc
Costa Mesa, California
Find John Harman'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 D. Harman is a chiropractor in Costa Mesa, California
John Harman practices at Southland Physical Therapy Inc in Costa Mesa, California.
John Harman's NPI, 1366888398, was assigned on May 16, 2013. John Harman graduated from Los Angeles College of Chiropractic in 1983. John Harman holds California license 15941.
- NPI
- 1366888398NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931340296
- NPI enumeration date
- May 16, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 679-3337
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John D. Harman practices at Southland Physical Therapy Inc in Costa Mesa, California
John Harman's primary practice is Southland Physical Therapy Inc, at 2755 Bristol St, Costa Mesa, CA 92626 in Orange County. The practice phone is (949) 679-3337.
- Southland Physical Therapy Inc2755 Bristol St, Costa Mesa, CA 92626 · Orange CountyPhone(949) 679-3337
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John D. Harman is affiliated with 2 sites of care
John Harman's primary practice is Southland Physical Therapy Inc in Costa Mesa, California. Dmand AI also links John Harman to 1 therapy and rehab clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John D. Harman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Harman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southland Physical Therapy Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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John D. Harman is one of 4,365 chiropractors in California
Chiropractor is John Harman's primary specialty in the NPI Registry, under taxonomy code 111N00000X. John Harman is licensed in California.
Specialties and state licenses
- Chiropractor, CaliforniaPrimary
Chiropractors near John Harman
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
John D. Harman treated 40 Medicare patients in 2026, average age 76
CMS counts 40 Medicare patients who saw John Harman in 2026. The largest group is 65 to 74, with 18 patients. 73% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Harman's median patient age at 69, with 39% women.
John Harman's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
John Harman's Medicare patients by sex, 2026
- Women2665%
- Men1435%
Chronic conditions among John Harman's Medicare patients, 2026
- High cholesterol73%
- High blood pressure63%
- Arthritis53%
- Ischemic heart disease30%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
John Harman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women39%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How John D. Harman takes part in Medicare
John Harman 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 D. Harman graduated from Los Angeles College of Chiropractic
John Harman graduated from Los Angeles College of Chiropractic in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John D. Harman'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 D. Harman
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 D. Harman's NPI number?
John D. Harman's NPI number is 1366888398. It was assigned on May 16, 2013, and it is active in the NPI Registry.
What does John D. Harman specialize in?
John D. Harman is a chiropractor in Costa Mesa, California. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does John D. Harman practice?
John Harman practices at 2755 Bristol St, Costa Mesa, CA 92626. John Harman's primary practice is Southland Physical Therapy Inc in Costa Mesa, California. Dmand AI also links John Harman to 1 therapy and rehab clinic, and a free account names each one.
What is John D. Harman's office phone number?
The practice phone on file for John Harman is (949) 679-3337. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is John D. Harman's email address?
Dmand AI checks professional and personal email addresses for John Harman through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is John D. Harman's medical license number?
John Harman holds California license 15941.
Does John D. Harman accept Medicare?
Yes. CMS lists John Harman as accepting Medicare assignment.
How many Medicare patients does John D. Harman see?
CMS counts 40 Medicare patients who saw John Harman in 2026, with an average age of 76.
Where did John D. Harman go to medical school?
John Harman graduated from Los Angeles College of Chiropractic in 1983.
How long has John D. Harman been practicing?
John Harman graduated from medical school in 1983, 43 years ago.
What EHR does John D. Harman's practice use?
Dmand AI tracks the EHR system at Southland Physical Therapy Inc and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
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