Mary M. Johnston, DC
- Medicare patients, 2024
- 64
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 222 Merrick Rd, Oceanside, NY 11572-1429
- Practice phone
- Call (516) 623-3195
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Mary Johnston, DC - Network Spinal
Physician office · Oceanside, New York
Find Mary Johnston'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.
Mary M. Johnston is a chiropractor in Oceanside, New York
Mary Johnston practices at Dr. Mary Johnston, DC - Network Spinal in Oceanside, New York.
Mary Johnston's NPI, 1902965395, was assigned on December 8, 2006. Mary Johnston graduated from New York Chiropractic College in 1988. Mary Johnston holds New York license X005570.
- NPI
- 1902965395NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183885775
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 623-3195
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary M. Johnston practices at Dr. Mary Johnston, DC - Network Spinal in Oceanside, New York
Mary Johnston's primary practice is Dr. Mary Johnston, DC - Network Spinal, at 222 Merrick Rd, Oceanside, NY 11572-1429. The practice phone is (516) 623-3195.
- Dr. Mary Johnston, DC - Network Spinal222 Merrick Rd, Oceanside, NY 11572-1429Phone(516) 623-3195
Source: Dmand AI Affiliation Data
Mary M. Johnston is affiliated with 1 site of care
Mary Johnston's primary practice is Dr. Mary Johnston, DC - Network Spinal in Oceanside, New York.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mary M. Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Johnston practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Mary Johnston, DC - Network Spinal | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Mary M. Johnston is one of 1,938 chiropractors in New York
Chiropractor is Mary Johnston's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Mary Johnston is licensed in New York.
Specialties and state licenses
- Chiropractor, New YorkPrimary
Chiropractors near Mary Johnston
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
Mary M. Johnston treated 64 Medicare patients in 2024, average age 75
CMS counts 64 Medicare patients who saw Mary Johnston in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high cholesterol, and 52% have arthritis. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mary Johnston's median patient age at 65, with 100% women.
Mary Johnston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Johnston's Medicare patients by sex, 2024
- Women5281%
- Men1219%
Chronic conditions among Mary Johnston's Medicare patients, 2024
- High cholesterol75%
- Arthritis52%
- High blood pressure52%
- Anxiety27%
- Diabetes25%
- Ischemic heart disease20%
- Mood disorders20%
- Osteoporosis19%
Share of Medicare patients with each condition. A patient can have several.
Mary Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Mary M. Johnston takes part in Medicare
Mary Johnston 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)
Mary M. Johnston graduated from New York Chiropractic College
Mary Johnston graduated from New York Chiropractic College in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mary M. Johnston'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 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 Mary M. Johnston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary M. Johnston's NPI number?
Mary M. Johnston's NPI number is 1902965395. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What does Mary M. Johnston specialize in?
Mary M. Johnston is a chiropractor in Oceanside, New York. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Mary M. Johnston practice?
Mary Johnston practices at 222 Merrick Rd, Oceanside, NY 11572-1429. Mary Johnston's primary practice is Dr. Mary Johnston, DC - Network Spinal in Oceanside, New York.
What is Mary M. Johnston's office phone number?
The practice phone on file for Mary Johnston is (516) 623-3195.
What is Mary M. Johnston's medical license number?
Mary Johnston holds New York license X005570.
Does Mary M. Johnston accept Medicare?
Yes. CMS lists Mary Johnston as accepting Medicare assignment.
How many Medicare patients does Mary M. Johnston see?
CMS counts 64 Medicare patients who saw Mary Johnston in 2024, with an average age of 75.
Where did Mary M. Johnston go to medical school?
Mary Johnston graduated from New York Chiropractic College in 1988.
How long has Mary M. Johnston been practicing?
Mary Johnston graduated from medical school in 1988, 38 years ago.
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