Mark Richard Koenen, DDS

  • Danville, CA
  • General practice dentistry
NPI1023111952
Part D claims, 2024
15
Industry payments
$128
Affiliated sites
1
Medical group
1
State license
1
Practice address
520 La Gonda Way Ste 204 Suite 204, Danville, CA 94526-1741
Practice phone
Call (925) 837-6318
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Farnoosh Lak, Dmd, Dental

Dental practice · Danville, California

See all 2 affiliations

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Mark Richard Koenen is a general practice dentistry in Danville, California

Mark Koenen practices at Farnoosh Lak, Dmd, Dental in Danville, California.

Mark Koenen's NPI, 1023111952, was assigned on September 6, 2006. Mark Koenen holds California license 36780.

NPI and contact details
NPI enumeration date
September 6, 2006
NPI status
Active
Practice phone
(925) 837-6318
Professional email
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Personal email
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Mobile number
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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 Richard Koenen practices at Farnoosh Lak, Dmd, Dental in Danville, California

Mark Koenen's primary practice is Farnoosh Lak, Dmd, Dental, at 520 La Gonda Way Ste 204 Suite 204, Danville, CA 94526-1741. The practice phone is (925) 837-6318.

  • Farnoosh Lak, Dmd, Dental
    520 La Gonda Way Ste 204 Suite 204, Danville, CA 94526-1741Phone(925) 837-6318

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

Mark Richard Koenen is affiliated with 1 site of care and 1 medical group

Mark Koenen's primary practice is Farnoosh Lak, Dmd, Dental in Danville, California. Dmand AI also links Mark Koenen to 1 medical group, named with a free account.

Farnoosh Lak, Dmd, DentalDental practice · Danville, CaliforniaPrimary
1 medical groupName with a free account
See all 2 affiliations for Mark Koenen

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

Dmand AI tracks the EHR system at Mark Richard Koenen's practice

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

EHR by site
SiteEHR vendor and product
Farnoosh Lak, Dmd, DentalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Mark Richard Koenen is one of 7,627 general practice dentistrys in California

General practice is Mark Koenen's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Mark Koenen is licensed in California.

Specialties and state licenses

  • General practice dentistry, CaliforniaPrimaryLicense 36780 · taxonomy 1223G0001X

General practice dentistrys near Mark Koenen

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

Mark Richard Koenen wrote 15 Medicare Part D claims in 2024

In 2024, Mark Koenen wrote 15 Medicare Part D claims for 12 patients. 80% of them were for generic drugs.

Part D claims, 202415
Part D patients12

Mark Koenen's Part D claims by kind of drug, 2024

  • Generic12 claims80%
  • Brand-name and other3 claims20%

Drug classes CMS tracks in Mark Koenen's Part D claims, 2024

  • Antibiotics80%12 of 15 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

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Mark Richard Koenen received $128 in industry payments in 2025

CMS Open Payments shows 1 general payment to Mark Koenen from 1 drug or device company in 2025. Gifts make up the largest share, 100% of the total. Ultradent Products Inc paid the most, $128.

Companies that paid Mark Koenen the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Mark Koenen

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

Sources for Mark Richard Koenen'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 Richard Koenen

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 Richard Koenen's NPI number?

Mark Richard Koenen's NPI number is 1023111952. It was assigned on September 6, 2006, and it is active in the NPI Registry.

What does Mark Richard Koenen specialize in?

Mark Richard Koenen is a general practice dentistry in Danville, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).

Where does Mark Richard Koenen practice?

Mark Koenen practices at 520 La Gonda Way Ste 204 Suite 204, Danville, CA 94526-1741. Mark Koenen's primary practice is Farnoosh Lak, Dmd, Dental in Danville, California. Dmand AI also links Mark Koenen to 1 medical group.

What is Mark Richard Koenen's office phone number?

The practice phone on file for Mark Koenen is (925) 837-6318.

What is Mark Richard Koenen's medical license number?

Mark Koenen holds California license 36780.

Has Mark Richard Koenen received payments from drug or device companies?

CMS Open Payments shows $128 in general payments to Mark Koenen from 1 company from 2025 to 2025. The largest total came from Ultradent Products Inc.

How long has Mark Richard Koenen been practicing?

Mark Koenen's NPI was assigned in 2006.

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