Dr. John Marshall Nelson, MD

  • Ellenton, FL
  • Internist
NPI1306216718
Affiliated sites
1
State licenses
6
Year NPI issued
2015
Practice locations
2
Practice address
10201 Arcos Ave, Estero, FL 33928-9460
Practice phone
Call (239) 390-3190
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Sleep Disorder Center Of Estero

Physician office · Estero, Florida

Find Dr. Nelson'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.

View contacts for free

Dr. John Marshall Nelson is an internist in Ellenton, Florida

Dr. Nelson practices at Sleep Disorder Center Of Estero in Estero, Florida.

Dr. Nelson's NPI, 1306216718, was assigned on September 28, 2015. Dr. Nelson graduated from Cleveland Medical College, Homeopathic in 1967. Dr. Nelson's Maryland license number on file is D0037373.

NPI and contact details
NPI enumeration date
September 28, 2015
NPI status
Active
Practice phone
(239) 390-3190
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Medical school graduation
1967

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

Dr. John Marshall Nelson practices in Estero and Ellenton

Dr. Nelson's primary practice is Sleep Disorder Center of Estero, at 10201 Arcos Ave, Estero, FL 33928-9460. The practice phone is (239) 390-3190. The NPI Registry lists Dr. Nelson's practice address as 5803 31st Ct E # Stcte, Ellenton, FL 34222-4372.

  • Sleep Disorder Center of EsteroPrimary
    10201 Arcos Ave, Estero, FL 33928-9460Phone(239) 390-3190
  • NPI Registry address
    5803 31st Ct E # Stcte, Ellenton, FL 34222-4372Phone(941) 479-4501

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

Dr. John Marshall Nelson is affiliated with 1 site of care

Dr. Nelson's primary practice is Sleep Disorder Center Of Estero in Estero, Florida.

Sleep Disorder Center Of EsteroPhysician office · Estero, FloridaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Marshall Nelson's practice

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

EHR by site
SiteEHR vendor and product
Sleep Disorder Center Of EsteroAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Nelson practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Marshall Nelson is one of 9,009 internists in Florida

Internal medicine is Dr. Nelson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nelson is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Nelson's licenses on file in 6 states: Maryland, Florida, Wisconsin, Oregon, District of Columbia and Ohio.

Specialties and state licenses

  • Internal medicine, MarylandPrimaryLicense D0037373 · 1988 to 2023 · taxonomy 207R00000X
  • Florida license2016 to 2027
  • Wisconsin license1976 to 2023
  • Oregon license1988 to 2015
  • District of Columbia license1986 to 2001
  • Ohio license1967 to 1974

Internists near Dr. Nelson

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

9,009internists in Florida
4internists in Ellenton

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

Dr. John Marshall Nelson graduated from Cleveland Medical College, Homeopathic

Dr. Nelson graduated from Cleveland Medical College, Homeopathic in 1967.

  1. Medical schoolCleveland Medical College, Homeopathic
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Marshall Nelson'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
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 Dr. John Marshall Nelson

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

What is Dr. John Marshall Nelson's NPI number?

Dr. John Marshall Nelson's NPI number is 1306216718. It was assigned on September 28, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. John Marshall Nelson?

Dr. John Marshall Nelson is an internist in Ellenton, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. John Marshall Nelson practice?

Dr. Nelson practices at 10201 Arcos Ave, Estero, FL 33928-9460. Dr. Nelson also practices at 5803 31st Ct E # Stcte, Ellenton, FL 34222-4372. Dr. Nelson's primary practice is Sleep Disorder Center Of Estero in Estero, Florida.

What is Dr. John Marshall Nelson's office phone number?

The practice phone on file for Dr. Nelson is (239) 390-3190.

What is Dr. John Marshall Nelson's medical license number?

Dr. Nelson's Maryland license number on file is D0037373, one of the licenses on file in 6 states.

Which states has Dr. John Marshall Nelson been licensed in?

Dmand AI has state licenses on file for Dr. Nelson in Maryland (1988 to 2023), Florida (2016 to 2027), Wisconsin (1976 to 2023), Oregon (1988 to 2015), District of Columbia (1986 to 2001) and Ohio (1967 to 1974).

Is Dr. John Marshall Nelson board certified?

Yes. Dr. Nelson is board certified in internal medicine by the American Board of Internal Medicine.

Where did Dr. John Marshall Nelson go to medical school?

Dr. Nelson graduated from Cleveland Medical College, Homeopathic in 1967.

How long has Dr. John Marshall Nelson been practicing?

Dr. Nelson graduated from medical school in 1967, 59 years ago.

Selling to internal medicine practices?

See internists in Florida by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)