John C. Greif, DDS, MSD

  • Evansville, IN
  • Periodontist
NPI1194749309
Part D claims, 2024
284
Affiliated sites
1
State license
1
Year NPI issued
2006
Practice address
1212 Professional Blvd, Evansville, IN 47714
Practice phone
Call (812) 477-6112
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

John C. Greif, DDS, MSD

Physician office · Evansville, Indiana

Find John Greif'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

John C. Greif is a periodontist in Evansville, Indiana

John Greif practices at John C. Greif, DDS, MSD in Evansville, Indiana.

John Greif's NPI, 1194749309, was assigned on July 27, 2006. John Greif holds Indiana license 12008907.

NPI and contact details
NPI enumeration date
July 27, 2006
NPI status
Active
Practice phone
(812) 477-6112
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

John C. Greif practices at John C. Greif, DDS, MSD in Evansville, Indiana

John Greif's primary practice is John C. Greif, DDS, MSD, at 1212 Professional Blvd, Evansville, IN 47714. The practice phone is (812) 477-6112.

  • John C. Greif, DDS, MSD
    1212 Professional Blvd, Evansville, IN 47714Phone(812) 477-6112

Source: Dmand AI Affiliation Data

John C. Greif is affiliated with 1 site of care

John Greif's primary practice is John C. Greif, DDS, MSD in Evansville, Indiana.

John C. Greif, DDS, MSDPhysician office · Evansville, IndianaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at John C. Greif's practice

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

EHR by site
SiteEHR vendor and product
John C. Greif, DDS, MSDAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where John Greif 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.

John C. Greif is one of 43 periodontists in Indiana

Periodontics is John Greif's primary specialty in the NPI Registry, under taxonomy code 1223P0300X. John Greif is licensed in Indiana.

Specialties and state licenses

  • Periodontist, IndianaPrimaryLicense 12008907 · taxonomy 1223P0300X

Periodontists near John Greif

Counts of periodontists 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 C. Greif's patients have a median age of 49

Across all payers, Dmand AI patient panel data puts John Greif's median patient age at 49, with 0% women.

John Greif's patients across all payers

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

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

John C. Greif wrote 284 Medicare Part D claims in 2024

In 2024, John Greif wrote 284 Medicare Part D claims for 161 patients. 98% of them were for generic drugs.

Part D claims, 2024284
Part D patients161

John Greif's Part D claims by kind of drug, 2024

  • Generic277 claims98%
  • Brand-name and other7 claims2%

Drug classes CMS tracks in John Greif's Part D claims, 2024

  • Antibiotics81%230 of 284 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 periodontists like John Greif 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.

Sources for John C. Greif'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 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)
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 John C. Greif

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 C. Greif's NPI number?

John C. Greif's NPI number is 1194749309. It was assigned on July 27, 2006, and it is active in the NPI Registry.

What does John C. Greif specialize in?

John C. Greif is a periodontist in Evansville, Indiana. The primary specialty in the NPI Registry is Periodontist (taxonomy code 1223P0300X).

Where does John C. Greif practice?

John Greif practices at 1212 Professional Blvd, Evansville, IN 47714. John Greif's primary practice is John C. Greif, DDS, MSD in Evansville, Indiana.

What is John C. Greif's office phone number?

The practice phone on file for John Greif is (812) 477-6112.

What is John C. Greif's medical license number?

John Greif holds Indiana license 12008907.

How long has John C. Greif been practicing?

John Greif's NPI was assigned in 2006.

Selling to periodontics practices?

See periodontists 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)