Harrison Dai, DDS

  • Merrillville, IN
  • Dentist
NPI1962585398
Part D claims, 2024
130
Industry payments
$15
Medical group
1
State licenses
2
Year NPI issued
2006
Practice address
8400 Louisiana St, Merrillville, IN 46410
Practice phone
Call (219) 937-3300
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Regional Health Clinic

FQHC · Merrillville, Indiana

Find Harrison Dai'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

Harrison Dai is a dentist in Merrillville, Indiana

Harrison Dai practices at Regional Health Clinic in Merrillville, Indiana.

Harrison Dai's NPI, 1962585398, was assigned on October 21, 2006. Harrison Dai holds Indiana license 12009098A.

NPI and contact details
NPI enumeration date
October 21, 2006
NPI status
Active
Practice phone
(219) 937-3300
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 Doctors and Clinicians National Downloadable File (CMS)

Harrison Dai practices at Regional Health Clinic in Merrillville, Indiana

Harrison Dai's primary practice is Regional Health Clinic, at 8400 Louisiana St, Merrillville, IN 46410. The practice phone is (219) 937-3300.

  • Regional Health Clinic
    8400 Louisiana St, Merrillville, IN 46410Phone(219) 937-3300

Source: Doctors and Clinicians National Downloadable File (CMS)

Harrison Dai is affiliated with 1 site of care and 1 medical group

Harrison Dai's primary practice is Regional Health Clinic in Merrillville, Indiana. The medical group on file is Regional Mental Health Center.

Regional Health ClinicFQHC · Merrillville, IndianaPrimary
Regional Mental Health CenterBehavioral and mental health group, Merrillville, IN

Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Harrison Dai's practice

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

EHR by site
SiteEHR vendor and product
Regional Health ClinicAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Harrison Dai 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.

Harrison Dai is one of 778 dentists in Indiana

Dentist is Harrison Dai's primary specialty in the NPI Registry, under taxonomy code 122300000X. Dmand AI has Harrison Dai's licenses on file in 2 states: Indiana and Illinois.

Specialties and state licenses

  • Dentist, IndianaPrimaryLicense 12009098A · taxonomy 122300000X
  • Illinois licenseLicense 19016199

Dentists near Harrison Dai

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

778dentists in Indiana
6dentists in Merrillville

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

Harrison Dai's patients have a median age of 50

Across all payers, Dmand AI patient panel data puts Harrison Dai's median patient age at 50, with 62% women.

Harrison Dai's patients across all payers

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

Patient panel by age, all payers

Median age 50

Patient panel by sex, all payers

  • Women62%
  • Men38%

Source: Dmand AI Patient Panel Data

Harrison Dai wrote 130 Medicare Part D claims in 2024

In 2024, Harrison Dai wrote 130 Medicare Part D claims for 65 patients. 95% of them were for generic drugs.

Part D claims, 2024130
Part D patients65

Harrison Dai's Part D claims by kind of drug, 2024

  • Generic123 claims95%
  • Brand-name and other7 claims5%

Drug classes CMS tracks in Harrison Dai's Part D claims, 2024

  • Antibiotics68%88 of 130 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

For MedTech and pharma teams

Find dentists like Harrison Dai by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Harrison Dai received $15 in industry payments in 2025

CMS Open Payments shows 1 general payment to Harrison Dai from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Colgate Oral Pharmaceuticals, Inc. paid the most, $15.

Companies that paid Harrison Dai the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Harrison Dai

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

Sources for Harrison Dai'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 phoneDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
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 Harrison Dai

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

What is Harrison Dai's NPI number?

Harrison Dai's NPI number is 1962585398. It was assigned on October 21, 2006, and it is active in the NPI Registry.

What does Harrison Dai specialize in?

Harrison Dai is a dentist in Merrillville, Indiana. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).

Where does Harrison Dai practice?

Harrison Dai practices at 8400 Louisiana St, Merrillville, IN 46410. Harrison Dai's primary practice is Regional Health Clinic in Merrillville, Indiana.

What is Harrison Dai's office phone number?

The practice phone on file for Harrison Dai is (219) 937-3300.

What is Harrison Dai's medical license number?

Harrison Dai holds Indiana license 12009098A, one of the licenses on file in 2 states.

Which states has Harrison Dai been licensed in?

Dmand AI has state licenses on file for Harrison Dai in Indiana and Illinois.

What medical group is Harrison Dai part of?

Harrison Dai is linked to Regional Mental Health Center.

Has Harrison Dai received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to Harrison Dai from 1 company from 2025 to 2025. The largest total came from Colgate Oral Pharmaceuticals, Inc.

How long has Harrison Dai been practicing?

Harrison Dai's NPI was assigned in 2006.

Selling to dentist practices?

See dentists in Indiana 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)