Derek Floyd Grytzelius, DDS

  • Sterling Heights, MI
  • General practice dentistry
NPI1457555823
Part D claims, 2024
109
Industry payments
$15
Affiliated sites
3
Medical groups
3
State license
1
Practice address
13750 19 Mile Rd, Sterling Heights, MI 48313-2702
Practice phone
Call (586) 247-0010
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Brightside Dental

Dental practice · Sterling Heights, Michigan

See all 6 affiliations

Find Derek Grytzelius' 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

Derek Floyd Grytzelius is a general practice dentistry in Sterling Heights, Michigan

Derek Grytzelius practices at Brightside Dental in Sterling Heights, Michigan.

Derek Grytzelius' NPI, 1457555823, was assigned on June 12, 2007. Derek Grytzelius holds Michigan license 18970.

NPI and contact details
NPI enumeration date
June 12, 2007
NPI status
Active
Practice phone
(586) 247-0010
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Derek Floyd Grytzelius practices at 2 locations in Sterling Heights, Michigan

Derek Grytzelius' primary practice is Brightside Dental, at 13750 19 Mile Rd, Sterling Heights, MI 48313-2702. The practice phone is (586) 247-0010. The NPI Registry lists Derek Grytzelius' practice address as 42950 Schoenherr Rd, Sterling Heights, MI 48313.

  • Brightside DentalPrimary
    13750 19 Mile Rd, Sterling Heights, MI 48313-2702Phone(586) 247-0010
  • NPI Registry address
    42950 Schoenherr Rd, Sterling Heights, MI 48313 · Macomb County

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

Derek Floyd Grytzelius is affiliated with 3 sites of care and 3 medical groups

Derek Grytzelius' primary practice is Brightside Dental in Sterling Heights, Michigan. Dmand AI also links Derek Grytzelius to 3 medical groups and 2 group practices and clinics, each named with a free account.

Brightside DentalDental practice · Sterling Heights, MichiganPrimary
3 medical groupsNames with a free account2 group practices and clinicsNames with a free account
See all 6 affiliations for Derek Grytzelius

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

Dmand AI tracks the EHR system at Derek Floyd Grytzelius' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Derek Grytzelius practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Brightside DentalAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Derek Grytzelius 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.

Derek Floyd Grytzelius is one of 2,212 general practice dentistrys in Michigan

General practice is Derek Grytzelius' primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Derek Grytzelius is licensed in Michigan.

Specialties and state licenses

  • General practice dentistry, MichiganPrimaryLicense 18970 · taxonomy 1223G0001X

General practice dentistrys near Derek Grytzelius

Counts of general practice dentistrys 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

Derek Floyd Grytzelius' patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Derek Grytzelius' median patient age at 71, with 67% women.

Derek Grytzelius' patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Derek Floyd Grytzelius wrote 109 Medicare Part D claims in 2024

In 2024, Derek Grytzelius wrote 109 Medicare Part D claims for 47 patients. 95% of them were for generic drugs.

Part D claims, 2024109
Part D patients47

Derek Grytzelius' Part D claims by kind of drug, 2024

  • Generic104 claims95%
  • Brand-name and other5 claims5%

Drug classes CMS tracks in Derek Grytzelius' Part D claims, 2024

  • Opioids18%20 of 109 claims
  • Antibiotics49%53 of 109 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 general practice dentistrys like Derek Grytzelius 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.

Derek Floyd Grytzelius received $15 in industry payments in 2025

CMS Open Payments shows 1 general payment to Derek Grytzelius from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Philips Electronics North America Corporation paid the most, $15.

Companies that paid Derek Grytzelius the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Derek Grytzelius

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

Sources for Derek Floyd Grytzelius'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Derek Floyd Grytzelius

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

What is Derek Floyd Grytzelius' NPI number?

Derek Floyd Grytzelius' NPI number is 1457555823. It was assigned on June 12, 2007, and it is active in the NPI Registry.

What does Derek Floyd Grytzelius specialize in?

Derek Floyd Grytzelius is a general practice dentistry in Sterling Heights, Michigan. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).

Where does Derek Floyd Grytzelius practice?

Derek Grytzelius practices at 13750 19 Mile Rd, Sterling Heights, MI 48313-2702. Derek Grytzelius also practices at 42950 Schoenherr Rd, Sterling Heights, MI 48313. Derek Grytzelius' primary practice is Brightside Dental in Sterling Heights, Michigan. Dmand AI also links Derek Grytzelius to 3 medical groups and 2 group practices and clinics.

What is Derek Floyd Grytzelius' office phone number?

The practice phone on file for Derek Grytzelius is (586) 247-0010.

What is Derek Floyd Grytzelius' medical license number?

Derek Grytzelius holds Michigan license 18970.

Has Derek Floyd Grytzelius received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to Derek Grytzelius from 1 company from 2025 to 2025. The largest total came from Philips Electronics North America Corporation.

How long has Derek Floyd Grytzelius been practicing?

Derek Grytzelius' NPI was assigned in 2007.

Selling to general practice practices?

See general practice dentistrys 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)