Mark L. Taff, DDS

  • Potomac, MD
  • Dentist
NPI1275870099
Part D claims, 2026
44
Industry payments
$15
Affiliated sites
1
Medical group
1
State license
1
Practice address
7811 Montrose Road Suite 300 Suite 300, Potomac, MD 20854
Practice phone
Call (301) 530-3717
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Williamowsky, Taff, & Levine

Dental practice · Potomac, Maryland

See all 2 affiliations

Find Mark Taff'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

Mark L. Taff is a dentist in Potomac, Maryland

Mark Taff practices at Williamowsky, Taff, & Levine in Potomac, Maryland.

Mark Taff's NPI, 1275870099, was assigned on January 14, 2013. Mark Taff holds Maryland license 56-90.

NPI and contact details
NPI enumeration date
January 14, 2013
NPI status
Active
Practice phone
(301) 530-3717
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)

Mark L. Taff practices at Williamowsky, Taff, & Levine in Potomac, Maryland

Mark Taff's primary practice is Williamowsky, Taff, & Levine, at 7811 Montrose Road Suite 300 Suite 300, Potomac, MD 20854. The practice phone is (301) 530-3717.

  • Williamowsky, Taff, & Levine
    7811 Montrose Road Suite 300 Suite 300, Potomac, MD 20854Phone(301) 530-3717

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

Mark L. Taff is affiliated with 1 site of care and 1 medical group

Mark Taff's primary practice is Williamowsky, Taff, & Levine in Potomac, Maryland. Dmand AI also links Mark Taff to 1 medical group, named with a free account.

Williamowsky, Taff, & LevineDental practice · Potomac, MarylandPrimary
1 medical groupName with a free account
See all 2 affiliations for Mark Taff

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

Dmand AI tracks the EHR system at Mark L. Taff's practice

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

EHR by site
SiteEHR vendor and product
Williamowsky, Taff, & LevineAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Mark Taff 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.

Mark L. Taff is one of 755 dentists in Maryland

Dentist is Mark Taff's primary specialty in the NPI Registry, under taxonomy code 122300000X. Mark Taff is licensed in Maryland.

Specialties and state licenses

  • Dentist, MarylandPrimaryLicense 56-90 · taxonomy 122300000X

Dentists near Mark Taff

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

755dentists in Maryland
7dentists in Potomac

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

Mark L. Taff wrote 44 Medicare Part D claims in 2026

In 2026, Mark Taff wrote 44 Medicare Part D claims for 21 patients. 95% of them were for generic drugs.

Part D claims, 202644
Part D patients21

Mark Taff's Part D claims by kind of drug, 2026

  • Generic42 claims95%
  • Brand-name and other2 claims5%

Drug classes CMS tracks in Mark Taff's Part D claims, 2026

  • Antibiotics59%26 of 44 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), 2026 data

For MedTech and pharma teams

Find dentists like Mark Taff 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.

Mark L. Taff received $15 in industry payments in 2025

CMS Open Payments shows 1 general payment to Mark Taff from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Patterson Companies, Inc. paid the most, $15.

Companies that paid Mark Taff the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Mark Taff

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

Sources for Mark L. Taff'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Mark L. Taff

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

What is Mark L. Taff's NPI number?

Mark L. Taff's NPI number is 1275870099. It was assigned on January 14, 2013, and it is active in the NPI Registry.

What does Mark L. Taff specialize in?

Mark L. Taff is a dentist in Potomac, Maryland. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).

Where does Mark L. Taff practice?

Mark Taff practices at 7811 Montrose Road Suite 300 Suite 300, Potomac, MD 20854. Mark Taff's primary practice is Williamowsky, Taff, & Levine in Potomac, Maryland. Dmand AI also links Mark Taff to 1 medical group, and a free account names each one.

What is Mark L. Taff's office phone number?

The practice phone on file for Mark Taff is (301) 530-3717. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Mark L. Taff's email address?

Dmand AI checks professional and personal email addresses for Mark Taff through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Mark L. Taff's medical license number?

Mark Taff holds Maryland license 56-90.

What medical group is Mark L. Taff part of?

Dmand AI links Mark Taff to 1 medical group. A free account names the group, with the clinicians and leaders there.

Has Mark L. Taff received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to Mark Taff from 1 company from 2025 to 2025. The largest total came from Patterson Companies, Inc.

How long has Mark L. Taff been practicing?

Mark Taff's NPI was assigned in 2013.

What EHR does Mark L. Taff's practice use?

Dmand AI tracks the EHR system at Williamowsky, Taff, & Levine and at 1 medical group. The vendor and product are available with a free Dmand AI account.

Selling to dentist practices?

See dentists in Maryland 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)