Dean L. Hartwig, OD

  • Iron Mountain, MI
  • Optometrist
NPI1457355067
Hospital affiliations
1
Industry payments
$30
Year NPI issued
2005
Practice address
325 East H Street, Iron Mountain, MI 49801
Practice phone
Call (906) 774-3300
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Oscar G. Johnson VA Medical Center

Hospital · Iron Mountain, Michigan

See all 1 affiliations

Find Dean Hartwig'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

Dean L. Hartwig is an optometrist in Iron Mountain, Michigan

Dean Hartwig practices at Oscar G. Johnson VA Medical Center in Iron Mountain, Michigan, part of Veterans Health Administration.

Dean Hartwig's NPI, 1457355067, was assigned on June 10, 2005.

NPI and contact details
NPI enumeration date
June 10, 2005
NPI status
Active
Practice phone
(906) 774-3300
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

Dean L. Hartwig practices at Oscar G. Johnson VA Medical Center in Iron Mountain, Michigan

Dean Hartwig's primary practice is Oscar G. Johnson VA Medical Center, at 325 East H Street, Iron Mountain, MI 49801 in Dickinson County. The practice phone is (906) 774-3300.

Source: Dmand AI Affiliation Data

Dean L. Hartwig is affiliated with 1 site of care

Dean Hartwig's primary practice is Oscar G. Johnson VA Medical Center in Iron Mountain, Michigan, part of Veterans Health Administration. Dean Hartwig's employer is on file too: a hospital.

See Dean Hartwig's affiliation in Dmand AI

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

Dmand AI tracks the EHR system at Dean L. Hartwig's practice

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

EHR by site
SiteEHR vendor and product
Oscar G. Johnson VA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dean Hartwig practices

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

Dean L. Hartwig is one of 1,416 optometrists in Michigan

Optometrist is Dean Hartwig's primary specialty in the NPI Registry, under taxonomy code 152W00000X.

Specialties and state licenses

  • OptometristPrimarytaxonomy 152W00000X

Optometrists near Dean Hartwig

Counts of optometrists 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

Dean L. Hartwig's patients have a median age of 75

Across all payers, Dmand AI patient panel data puts Dean Hartwig's median patient age at 75, with 7% women.

Dean Hartwig's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women7%
  • Men89%

Source: Dmand AI Patient Panel Data

Dean L. Hartwig received $30 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dean Hartwig from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. LKC Technologies, Inc. paid the most, $30.

Companies that paid Dean Hartwig the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dean Hartwig

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dean L. Hartwig'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 Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Dean L. Hartwig

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

What is Dean L. Hartwig's NPI number?

Dean L. Hartwig's NPI number is 1457355067. It was assigned on June 10, 2005, and it is active in the NPI Registry.

What does Dean L. Hartwig specialize in?

Dean L. Hartwig is an optometrist in Iron Mountain, Michigan. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Dean L. Hartwig practice?

Dean Hartwig practices at 325 East H Street, Iron Mountain, MI 49801. Dean Hartwig's primary practice is Oscar G. Johnson VA Medical Center in Iron Mountain, Michigan, part of Veterans Health Administration.

What is Dean L. Hartwig's office phone number?

The practice phone on file for Dean Hartwig is (906) 774-3300.

Which hospitals is Dean L. Hartwig affiliated with?

Dean Hartwig practices at Oscar G. Johnson VA Medical Center in Iron Mountain, Michigan.

Has Dean L. Hartwig received payments from drug or device companies?

CMS Open Payments shows $30 in general payments to Dean Hartwig from 1 company from 2025 to 2025. The largest total came from LKC Technologies, Inc.

How long has Dean L. Hartwig been practicing?

Dean Hartwig's NPI was assigned in 2005.

Selling to optometrist practices?

See optometrists in Michigan 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)